Tag Archives: lubricated screw

China Hot selling China Lubricated CHINAMFG 3330X1750X1640mm Rotary Screw Air Compressors Diesel Compressor with High Quality air compressor oil

Product Description

Model  MDS185-FF
Compressor Air
delivery
m3/min

5.18

cu.ft/min   185
Discharge pressure bar 7
psig 101.5

Lubricating Oil Capacity

L 23
Diesel
Engine
Manufacture&Model

Foxair-4571DF-005

Cylinder Number 4
Rotation speed(Rmp) Operating 2650
Idle speed(r/min) 2200
Rated power(KW)

42

Lubricating Oil capacity(L) 300

Displacement (L)

2.7

Lubricating Oil Capacity (L)

7

Coolant Capacity (L)

9

Battery

6-QW-70

Standard Configuration

Suction valve                                    Lubricating oil filter                           Oil thermostatic valve                                             50°C radiator
 Solenoid valve                                Vertical air/oil tank                                Pressure regular valve                              Air/oil separator                     

  Lubricating oil radiator       Safety valve                                                   Emergency stop button                                 Air filter of engine
 Minimum pressure valve       Lockable battery isolator switch                                                                                                                                                                 
 Air filter of compressor        Vent valve                                                       Powder coated canopy                                           Shuttle valve    
 24V sealed for life maintenance free battery                                Fuel tank for 8 hours running

General Features

Structure diagram

1. Lifting bail   2.Exhaust outlet   3.Door    4. Handle   5.Service valve    6. Instrument panel

 

Feature&Benefit
Feature   Benefit
Pressure selection and control Easy pressure setting
Flow selection and control The working pressure and airflow rate can be adjusted according to the size of air consumption without wasting any diesel
The twin-screw rotor is directly connected with the diesel engine by a highly flexible coupling Outputting more air with less energy consumption, featuring high reliability, longer service life, and low maintenance cost.
The two-stage air filtration system The total efficiency of air filtration reaches 99.8% ensuring the compressor to not be infringed by dust and dirt particles and longer service life of the engine
High-temperature resistance design Able to run for a long time under extreme cold or hot temperature from -20ºC to 50ºC
One-button start, clear operational parameters Operators don’t have to go through long-term professional training, and unattended operations can be achieved.

 

Application areas

Field Application Nominal Working Pressure(bar) Free Air Delivery Range(m3/min)
General Construction
(building sites, road maintenance, bridges, tunnels, concrete pumping and shotcreting)
Hand-held pneumatic breakers 7~14 5~13
Jack hammers
Air guns
Shotcrete equipment
Pneumatic wrenches
Nut runners
Ground Engineering Drilling 
(basement and foundation excavation for apartment blocks and other buildings)
Pneumatic rock drills 7~17 12~28
Block cutters
Dewatering pumps.
Hand-held pneumatic breakers
Utility, CHINAMFG Blasting
(shipyards, steel construction and large renovation jobs)
Sandblasting
(remove rust, scale, paint)
7~10 10~22
Blast Hole Drilling
(aggregate production for construction stabilization, cement production in limestone quarries and open pit mining)
Rock drills 14~21 12~29
Dewatering pumps
Hand-held breakers
High Pressure Drilling
(drilling for water wells and foundations for high-rise buildings, along with geotechnical/geothermal applications)
Water well drilling 20~35 18~40
 DTH drilling
Rotary drilling

 

Selection table

Small Series
Small Series FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS55S-7 1,55 55  7 101,5  D902 2925 1650 1200 1200 600
MDS80S-7 2,24 80  7 101,5 D1005 2925 1650 1200 1200 630
MDS100S-7 2,8 100  7 101,5 V1505 2925 1650 1200 1200 640
MDS125S-7 3,5 125  7 101,5 V1505 3065 1800 1500 1350 810
MDS130S-8 3,7 132  8 116 JE493 3065 1800 1500 1350 810
MDS185S-7 5,18 185  7 101,5 JE493 3200 1900 1740 1660 950
MDS185S-10 5,18 185  10 145 JE493 3050 1900 1740 1660 950
 
Middle Series  (Low&Medium pressure)
Middle Series  (Low&Medium pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS265S-7 7,42 265  7 101,5 JE493 3629 2200 1700 1470 1200
MDS300S-14 8,4 300  14 203 4BTA3.9 3850 2600 1810 2378 1800
MDS350S-10 9,9 354  10 145 4BT3.9 3850 2600 1810 2378 1800
MDS390S-7 11 393  7 101,5 4BTA3.9 3850 2600 1810 2378 1800
MDS390S-13 11 393  13 188,5 QSB4.5 3850 3100 1810 2378 1980
MDS429S-7 12 429  7 101,5 4BTA3.9 3850 2600 1810 2378 1800
MDS429S-14 12 429  14 203 QSB4.5 3850 3100 1810 2378 1980
MDS500S-14 14,1 504  14 203 6BTAA5.9 4550 3600 1810 2378 3100
MDS690S-14 19,3 689  14 203 QSB6.7 4950 3300 2170 2620 3500
MDS720S-10 20,2 721  10 145 QSB6.7 4950 3300 2170 2620 3500
MDS750S-12 21 750  12 174 QSB6.7 4950 3300 2170 2620 3500
MDS786S-10.3 22 786  10,3 149,35 QSB6.7 4950 3300 2170 2620 3500
MDS820S-14 23 821  14 203 6LTAA8.9 5300 4200 2170 2630 5200
MDS850S-8.6 24 857  8,6 124,7 6CTAA8.3 5300 4200 2170 2630 4600
MDS900S-7.1 25,3 904  7,1 102,95 6CTA8.3 5300 4200 2170 2630 4600
 
Middle Series (Medium&High pressure)
Middle Series (Medium&High pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS460S-17 13 464  17 246,5 6BTAA5.9 4600 3500 1800 2230 3500
MDS620S-17 17,4 621  17 246,5 6LTAA8.9 5300 4200 2170 2630 5200
MDS650S-19 18,2 650  19 275,5 QSL8.9 5300 4200 2170 2630 5200
MDS690S-20.4 19,4 693  20,4 295,8 6LTAA8.9 5300 4200 2170 2630 5200
MDS770S-21 21,6 771  21 304,5 6LTAA8.9 5300 4200 2100 2630 5280
MDS830S-18 23,2 830  18 261 6LTAA8.9 5300 4200 2100 2630 5280
MDS820S-25 23 821  25 362,5 QSM11 5300 4200 2100 2630 5600
MDS860S-20.4/17.3 24,2 864  20,4 295,8 QSL8.9 5300 4200 2100 2630 5280
24,2 864  17,3 250,85
MDS875S-23 24,5 875  23 333,5 QSM11 5300 4200 2100 2630 5600
 
Large Series    (Low&Medium pressure)
Large Series    (Low&Medium pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS900S-14.2/10.5 25,1 896  14,2 205,9 6LTAA8.9 5300 4200 2100 2630 5280
25,2 900  10,5 152,25
MDS910S-14 25,6 914  14 203 6LTAA8.9 5300 4200 2100 2630 5280
MDS970S-10 27,2 971  10 145 QSL8.9 5300 4200 2100 2630 5280
MDS1011S-8.6 28,3 1011  8,6 124,7 QSL8.9 5300 4200 2100 2630 5280
MDS1054S-12 29,5 1054  12 174 QSL8.9 5300 4200 2100 2630 5280
MDS1250S-8.6 35 1250  8,6 124,7 QSL8.9 5300 4200 2100 2630 5280
MDS1400S-13 40 1400 13 188,5 QSZ13 6200 4700 2100 2630 5800
MDS1600S-10.3 45 1600 10,3 149,35 QSZ13 6200 4700 2100 2630 5800
MDS1785S-13 50 1785 13 188,5 QSZ13 6200 4700 2100 2630 5800
MDS2140S-10 60 2142 10 145 QSZ14 7400 5400 2230 2630 8400
 
Large Series    (Medium&High pressure)
Large Series    (Medium&High pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS900S-20 25,3 904  20 290 QSM11 5300 4200 2100 2630 5800
MDS960S-18 26,9 961  18 261 QSM11 5300 4200 2100 2630 5800
MDS1000S-35 28,2 1000 35 507,5 QSZ13 6200 4700 2100 2630 7200
MDS1089S-25 30,5 1089  25 362,5 QSZ13 6200 4700 2100 2630 7200
MDS1200S-24 33,6 1200  24 348 QSZ13 6200 4700 2100 2630 7200
MDS1250S-21 35 1250  21 304,5 QSZ13 6200 4700 2100 2630 7200
MDS1250S-25 35 1250  25 362,5 QSZ13 6200 4700 2100 2630 7200
MDS1250S-30 35 1250 30 435 WP17G770E302 6200 4700 2100 2630 7800
MDS1250S-35 35 1250 35 507,5 WP17G770E302 6200 4700 2100 2630 7800
MDS1250S-40 35 1250 40 580 WP17G770E302 6200 4700 2100 2630 7800
MDS1428S-18 40 1428 18 261 QSZ13 6200 4700 2100 2630 7200
MDS1428S-35 40 1428 35 507,5 TAD1643VE-B 7400 5500 2180 2650 10000
MDS1428S-40 40 1428 40 580 QSK19 7400 5500 2180 2650 10000
MDS1600S-25 44,8 1600 25 362,5 WP17G770E302 7400 5500 2180 2650 10000

 

GTL Air compressor test system

 

After-sales Service: Online
Warranty: 1year
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: Diesel Engine
Cylinder Position: Vertical
Customization:
Available

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air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

How Do You Troubleshoot Common Issues with Screw Compressors?

Troubleshooting common issues with screw compressors involves a systematic approach to identify and resolve problems that may arise during operation. Here’s a detailed explanation:

1. Gather Information:

  • Start by gathering information about the symptoms and any recent changes or events related to the compressor. This can help pinpoint potential causes and guide the troubleshooting process.

2. Check Power and Controls:

  • Ensure that the compressor has a power supply and that all electrical connections are secure. Check for any tripped breakers or blown fuses. Verify that the compressor’s controls, such as pressure switches, temperature sensors, and safety devices, are functioning correctly.

3. Inspect for Leaks:

  • Check for any visible leaks in the compressed air system, including connections, fittings, hoses, and seals. Leaks can cause a drop in system pressure and affect the compressor’s performance. Repair or replace any damaged components.

4. Monitor Pressure and Temperature:

  • Monitor the discharge pressure and temperature of the compressor. Abnormal readings can indicate issues such as inadequate lubrication, high discharge temperatures, or problems with the cooling system. Refer to the manufacturer’s specifications for acceptable pressure and temperature ranges.

5. Verify Lubrication:

  • Ensure that the compressor’s lubrication system is functioning correctly. Check oil levels and the condition of the lubricant. Inadequate lubrication can lead to increased friction, overheating, and damage to internal components. Follow the manufacturer’s recommendations for lubricant type and change intervals.

6. Check Air Filters and Cooling System:

  • Inspect and clean or replace the air filters to ensure proper airflow. Clogged filters can reduce efficiency and increase the compressor’s operating temperature. Additionally, check the cooling system, including fans and heat exchangers, to ensure they are clean and functioning correctly.

7. Examine Vibration and Noise:

  • Pay attention to any unusual vibration or noise coming from the compressor. Excessive vibration may indicate misalignment, worn bearings, or loose components. Unusual noise can be a sign of mechanical issues or problems with the intake or discharge system.

8. Review Maintenance Records:

  • Review the compressor’s maintenance records to ensure that regular maintenance tasks, such as oil changes, filter replacements, and inspections, have been performed according to the manufacturer’s recommendations. Address any overdue or missed maintenance tasks.

9. Consult Manufacturer Documentation:

  • Refer to the compressor’s operating manual and troubleshooting guide provided by the manufacturer. These documents often contain specific troubleshooting steps for common issues and can provide valuable insights.

10. Seek Professional Assistance:

  • If the troubleshooting steps do not resolve the issue or if you are unsure about performing further diagnostics, it is recommended to seek assistance from a qualified technician or contact the compressor manufacturer’s technical support.

Remember to prioritize safety throughout the troubleshooting process, following appropriate lockout/tagout procedures and wearing the necessary personal protective equipment.

In summary, troubleshooting common issues with screw compressors involves checking power and controls, inspecting for leaks, monitoring pressure and temperature, verifying lubrication, checking air filters and cooling systems, examining vibration and noise, reviewing maintenance records, consulting manufacturer documentation, and seeking professional assistance when needed. By following a systematic approach, it is possible to identify and resolve common problems with screw compressors, ensuring their proper operation and performance.

air compressor

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

China Hot selling China Lubricated CHINAMFG 3330X1750X1640mm Rotary Screw Air Compressors Diesel Compressor with High Quality   air compressor oilChina Hot selling China Lubricated CHINAMFG 3330X1750X1640mm Rotary Screw Air Compressors Diesel Compressor with High Quality   air compressor oil
editor by CX 2023-10-19

China wholesaler Industrial Screw Type 11kw Air Compressors Chinese Manufacturer Direct Driven Permanet Magnet Variable Speed/Frequency (VSD/VFD) Oil Lubricated CHINAMFG air compressor price

Product Description

Oaliss compressor is 1 of the leading compressor manufacturers in China. With 20 years of manufacturing experience and a team of experienced engineers and managers, CHINAMFG began to establish its own brand by providing high-quality air compressors and compressed air treatment equipment to the market. CHINAMFG has a wide range of products ranging from oil-lubricated and oil-free rotary screw compressors and two-stage compressors. To further enrich the product lines, besides permanent magnet compressors and laser cutting compressors, CHINAMFG could also provide low-pressure and high-pressure compressors, portable air compressors and air treatment equipment.

Oaliss-your very own system provider.

Specification

Item

Description

Condition

New

Warranty

1 Year

Applicable Industries

Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works, Energy & Mining, Food & Beverage Shops, Other, Advertising Company

After Warranty Service

Spare parts

Local Service Location

None

Showroom Location

None

Video outgoing-inspection

Provided

Machinery Test Report

Provided

Marketing Type

New Product 2571

Place of Origin

China

Brand Name

   Oaliss

Type

Air Compressor

 

Compressor type Max. pressure  Capacity FAD Motor power Noise level Weight Air outlet Dimensions (mm)
bar(e) m3/min kW dB(A) kg LxWxH
OLS-08A
OLS-08AV
7 1.30 7.5 64 184 G1/2″ 850x700x920
8 1.2 7.5 64 184 G1/2″ 850x700x920
10 1 7.5 64 184 G1/2″ 850x700x920
13 0.8 7.5 64 184 G1/2″ 850x700x920
OLS-11A
OLS-11AV
7 1.7 11 65 278 G3/4″ 1080x750x1000
8 1.6 11 65 278 G3/4″ 1080x750x1000
10 1.4 11 65 278 G3/4″ 1080x750x1000
13 1.2 11 65 278 G3/4″ 1080x750x1000
OLS-15A
OLS-15AV
7 2.52 15 66 299 G3/4″ 1080x750x1000
8 2.4 15 66 299 G3/4″ 1080x750x1000
10 2.1 15 66 299 G3/4″ 1080x750x1000
13 1.7 15 66 299 G3/4″ 1080x750x1000
OLS-18A
OLS-18AV
7 3.2 18.5 67 452 G1″ 1380x850x1160
8 3.0 18.5 67 452 G1″ 1380x850x1160
10 2.7 18.5 67 452 G1″ 1380x850x1160
13 2.3 18.5 67 452 G1″ 1380x850x1160
OLS-22A
OLS-22AV
7 3.7 22 68 467 G1″ 1380x850x1160
8 3.6 22 68 467 G1″ 1380x850x1160
10 3.4 22 68 467 G1″ 1380x850x1160
13 2.8 22 68 467 G1″ 1380x850x1160
OLS-30A
OLS-30AV
7 5.1 30 69 452 G1″ 1230x850x1110
8 5.0 30 69 452 G1″ 1230x850x1110
10 4.9 30 69 452 G1″ 1230x850x1110
13 4.7 30 69 452 G1″ 1230x850x1110
OLS-37A
OLS-37AV
7 6.5 37 69 583 G1 1/2″ 1340x950x1210
8 6.2 37 69 583 G1 1/2″ 1340x950x1210
10 5.6 37 69 583 G1 1/2″ 1340x950x1210
13 5.0 37 69 583 G1 1/2″ 1340x950x1210
OLS-45A
OLS-45AV
7 8.0 45 70 688 G1 1/2″ 1500x1000x1300
8 7.7 45 70 688 G1 1/2″ 1500x1000x1300
10 7.0 45 70 688 G1 1/2″ 1500x1000x1300
13 6.7 45 70 688 G1 1/2″ 1500x1000x1300
OLS-55A
OLS-55AV
7 10.4 55 70 1055 G2″ 1900x1250x1570
8 9.8 55 70 1055 G2″ 1900x1250x1570
10 9.1 55 70 1055 G2″ 1900x1250x1570
13 7.8 55 70 1055 G2″ 1900x1250x1570
OLS-75A
OLS-75AV
7 13.6 75 72 1129 G2″ 1900x1250x1570
8 13.1 75 72 1129 G2″ 1900x1250x1570
10 11.8 75 72 1129 G2″ 1900x1250x1570
13 9.8 75 72 1129 G2″ 1900x1250x1570
OLS-90A
OLS-90AV
7 16.1 90 73 1220 G2″ 2000*1250*1680
8 15.5 90 73 1220 G2″ 2000*1250*1680
10 14.8 90 73 1220 G2″ 2000*1250*1680
13 12.5 90 73 1220 G2″ 2000*1250*1680
OLS-110A
OLS-110AV
7 21.2 110 73 1970 G1 1/2″ 2400x1630x1980
8 19.6 110 73 1970 G1 1/2″ 2400x1630x1980
10 17.8 110 73 1970 G1 1/2″ 2400x1630x1980
13 15.5 110 73 1970 G1 1/2″ 2400x1630x1980
OLS-132A
OLS-132AV
7 24.1 132 73 2120 G1 1/2″ 2400x1630x1980
8 23.2 132 73 2120 G1 1/2″ 2400x1630x1980
10 19.5 132 73 2120 G1 1/2″ 2400x1630x1980
13 17.8 132 73 2120 G1 1/2″ 2400x1630x1980
OLS-160A
OLS-160AV
7 28.8 160 73 3620 G1 1/2″ 2800x1820x2150
8 27.8 160 73 3620 G1 1/2″ 2800x1820x2150
10 23 160 73 3620 G1 1/2″ 2800x1820x2150
13 20 160 73 3620 G1 1/2″ 2800x1820x2150
OLS-185A
OLS-185AV
7 32.5 185 74 3920 DN85 2800x1820x2150
8 31.2 185 74 3920 DN85 2800x1820x2150
10 27.5 185 74 3920 DN85 2800x1820x2150
13 25.8 185 74 3920 DN85 2800x1820x2150
OLS-200A
OLS-200AV
7 36.8 220 76 4800 DN100 3000x1900x1930
8 34.7 220 76 4800 DN100 3000x1900x1930
10 31.5 220 76 4800 DN100 3000x1900x1930
13 29.5 220 76 4800 DN100 3000x1900x1930
OLS-250A
OLS-250AV
7 43 250 76 5200 DN100 3000x1900x1930
8 41.5 250 76 5200 DN100 3000x1900x1930
10 38 250 76 5200 DN100 3000x1900x1930
13 34.9 250 76 5200 DN100 3000x1900x1930

Industrial equipment, printing service, pipelines, power plants, oil&gas, oil refinery, coating, painting,
plastics, steel industry, rubber, mechanical, blow molding, color sorter machine, shipyard, sandblasting, 
metallurgy, etc.

To provide the right equipment to you, please send us your detailed requriements.


1 Q: How about the quality of products?

   A: We are an authorized distributor of Atlas Copco. Don’t worry about the quality and service.

2 Q: How long is your delivery lead time?

   A: If there is stock, the lead time is about 3 working days after we get the payment if need to
       be produced, it depends.

3 Q: How about your overseas after-sale service?

   A: (1)Provide customers with installation and commissioning online instructions.

       (2)Worldwide agents and after service available.

4 Q: Can you accept OEM&ODM orders?

   A: Yes, we have a professional design team, OEM&ODM orders are highly welcomed.

 

Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Customization:
Available

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Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Safety Precautions Should Be Taken When Operating Screw Compressors?

When operating screw compressors, it is important to follow specific safety precautions to ensure the well-being of personnel and prevent potential accidents. Here’s a detailed explanation:

1. Familiarize Yourself with the Equipment:

  • Before operating a screw compressor, thoroughly read and understand the manufacturer’s instructions, safety guidelines, and operating procedures. Familiarize yourself with the specific features, controls, and safety devices of the compressor.

2. Wear Appropriate Personal Protective Equipment (PPE):

  • Wear the necessary PPE, such as safety glasses, hearing protection, gloves, and appropriate clothing, when operating the compressor. PPE helps protect against potential hazards, including flying debris, noise, and contact with hot or moving parts.

3. Ensure Proper Ventilation:

  • Operate the screw compressor in a well-ventilated area to prevent the buildup of potentially harmful gases or fumes. Ensure that the compressor’s intake and exhaust vents are not obstructed, allowing for adequate airflow.

4. Compressor Location:

  • Position the compressor on a stable and level surface to prevent tipping or instability during operation. Ensure that the compressor is located away from flammable materials, heat sources, or sources of ignition.

5. Electrical Safety:

  • Follow electrical safety guidelines and ensure that the compressor is properly grounded. Avoid using damaged or frayed electrical cords and ensure that the electrical connections are secure.

6. Lockout/Tagout Procedures:

  • Before performing any maintenance or repair tasks on the compressor, follow lockout/tagout procedures to isolate electrical power and prevent accidental startup. Lockout/tagout procedures help protect against unexpected energization of the compressor or its components.

7. Pressure Relief:

  • Before performing any maintenance tasks or opening the compressor, ensure that all pressure has been relieved from the system. Follow proper procedures for depressurizing the compressor and associated piping to avoid sudden releases of pressure.

8. Hot Surfaces:

  • Be cautious of hot surfaces, such as compressor casings, piping, or discharge components. Allow sufficient cooling time before touching or performing maintenance tasks on hot surfaces to avoid burns.

9. Maintenance and Inspection:

  • Adhere to the manufacturer’s recommended maintenance schedule and perform regular inspections of the compressor. Replace any worn or damaged components promptly to prevent potential hazards or malfunctions.

10. Emergency Procedures:

  • Be familiar with emergency procedures, including how to shut down the compressor in case of an emergency, how to respond to leaks or spills, and how to handle fire or electrical incidents. Have emergency contact information readily available.

11. Training and Qualified Personnel:

  • Ensure that operators and maintenance personnel are adequately trained in the safe operation and maintenance of screw compressors. Only allow qualified personnel to perform maintenance or repair tasks.

It is essential to consult the specific safety guidelines provided by the manufacturer of the screw compressor as they may include additional precautions or recommendations.

In summary, when operating screw compressors, it is important to familiarize yourself with the equipment, wear appropriate PPE, ensure proper ventilation, follow electrical safety measures, implement lockout/tagout procedures, be cautious of hot surfaces, perform regular maintenance and inspections, and be prepared with emergency procedures. By following these safety precautions, the risk of accidents or injuries can be minimized, ensuring a safe working environment when operating screw compressors.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China wholesaler Industrial Screw Type 11kw Air Compressors Chinese Manufacturer Direct Driven Permanet Magnet Variable Speed/Frequency (VSD/VFD) Oil Lubricated CHINAMFG   air compressor priceChina wholesaler Industrial Screw Type 11kw Air Compressors Chinese Manufacturer Direct Driven Permanet Magnet Variable Speed/Frequency (VSD/VFD) Oil Lubricated CHINAMFG   air compressor price
editor by CX 2023-10-11

China Professional 55kw 75HP Oil Free Water Lubricated Screw Air Compressor for Mining Industrial supplier

Product Description

 

Product name

Oil Free Water Lubricated Screw Air Compressor

Model

WLS

Cooling Method

Air Cooling

Pressure

8/1013 bar

Power

5.5-250 kw

Capacity

0.3~33.97 m3/min

Voltage

380V/50HZ, 220V/60HZ, 400V/50HZ, 415V/50HZ or Customer′s Requirements

Color

Customized

Advantage

1.Clean air 100% oil-free
 
2.Use water instead of oil, higher cooling efficiency and compression efficiency
 
3.Optimal isothermal compression
 
4.Powerful MAM microcomputer controller and touch screen
 
5.Reasonable Structure, with perfect balancing
 
6.Components made of anti-rust and anti-corrosion materials ensure the durability
 
7.Significant energy saving, environmental-friendly and pollution-free
 
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.
 

Model Pressure
(mpa)
Displacement
(m³/min)
Power
(kw)
Noise
(db)
Water Inlet Diameter Lubricating Water
(L)
Air Outlet
WLS-0.8/5.5 0.8 0.3-0.78 5.5 57 3/4″ 10 3/4″
WLS-1.0/5.5 1.0  0.2-0.65
WLS-0.8/7.5 0.8 0.35-0.17 7.5 57 3/4″ 10 3/4″
WLS-1.0/7.5 1.0  0.3-1.05
WLS-1.25/7.5 1.25 0.24-0.81
WLS-0.8/11 0.8  0.54-1.72 11 60 1″ 26 3/4″
WLS-1.0/11 1 0.45-1.42
WLS-1.25/11 1.3  0.35-1.10
WLS-0.8/15 0.8 0.75-2.43 15 60 1″ 26 1″
WLS-1.0/15 1.0  0.65-2.17
WLS-1.25/15 1.25 0.6-1.80
WLS-0.8/18.5 0.8  0.9-3.31 18.5 63 1″ 30 1″
WLS-1.0/18.5 1 0.9-2.82
WLS-1.25/18.5 1.3  0.6-2.05
WLS-0.8/22 0.8 1.1-3.7 22 63 1″ 30 1″
WLS-1.0/22 1.0  0.97-3.21
WLS-1.25/22 1.25 0.85-2.87
WLS-0.8/30 0.8  1.55-5.2 30 63 1 1/2″ 40 1 1/2″
WLS-1.0/30 1 1.255-4.43
WLS-1.25/30 1.3  1.1-3.63
WLS-0.8/37 0.8 1.91-6.50 37 66 1 1/2″ 40 1 1/2″
WLS-1.0/37 1.0  1.6-5.53
WLS-1.25/37 1.25 1.42-4.47
WLS-0.8/45 0.8  2.5-8.3 45 66 1 1/2″ 90 2″
WLS-1.0/45 1 1.91-6.3
WLS-1.25/45 1.3  1.7-5.56
WLS-0.8/55 0.8 3.0-10.3 55 69 1 1/2″ 100 2″
WLS-1.0/55 1.0  2.6-8.55
WLS-1.25/55 1.25 2.3-7.67
WLS-0.8/75 0.8  3.95-13 75 72 1 1/2″ 100 2″
WLS-1.0/75 1 3.4-11.5
WLS-1.25/75 1.3  3.0-9.7
WLS-0.8/90 0.8 5.0-16.6 90 73 1 1/2″ 120 2 1/2″
WLS-1.0/90 1.0  4.3-14.66
WLS-1.25/90 1.25 3.72-12.6
WLS-0.8/110 0.8  6.0-20.2 110 77 2″ 120 2 1/2″
WLS-1.0/110 1 5.0-16.66
WLS-1.25/110 1.3  4.65-15.56
WLS-0.8/132 0.8 6.75-22.52 132 77 2″ 120 2 1/2″
WLS-1.0/132 1.0  6.0-19.97
WLS-1.25/132 1.25 5.07-16.90
WLS-0.8/160 0.8  8.5-28.11 160 79 3″ 160 3″
WLS-1.0/160 1 7.6-25.45
WLS-1.25/160 1.3  6.7-22.52
WLS-0.8/185 0.8 10-33.97 185 79 3″ 160 3″
WLS-1.0/185 1.0  8.72-29
WLS-1.25/185 1.25 7.75-25.21
WLS-0.8/200 0.8  11.2-36.75 200 80 4″ 200 4″
WLS-1.0/200 1 9.68-32.78
WLS-1.25/200 1.3  9.2-29.24
WLS-0.8/250 0.8 13.5-45 250 80 4″ 200 4″
WLS-1.25/250 1.3  10.2-33.97

ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
    1.1 Oil-free screw air compressor
    1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free piston air compressor
    2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
    3.1 Diesel or Electric portable screw air compressor
    3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
    4.1 CHINAMFG or Adsorption compressed air drier
    4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.

Q: Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.

Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.

Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Online Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-free
Customization:
Available

|

air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

What Is the Role of Air Dryers in Screw Compressor Systems?

Air dryers play a crucial role in screw compressor systems by removing moisture from the compressed air. Here’s a detailed explanation:

Air contains moisture in the form of water vapor, which can be problematic when compressed. As air is compressed, its temperature rises, causing the moisture to condense into liquid water. This moisture can cause various issues within the compressed air system, including equipment corrosion, decreased efficiency, and compromised air quality.

The role of air dryers in screw compressor systems is to remove this moisture from the compressed air, ensuring dry and clean air for reliable and efficient operation. Here are the key functions and benefits of air dryers:

1. Moisture Removal:

Air dryers extract moisture from the compressed air, reducing its dew point temperature. By lowering the dew point, the risk of condensation and subsequent issues, such as corrosion and water damage to pneumatic equipment, is minimized. Dry air is essential for maintaining the integrity and longevity of the system components.

2. Protection of Pneumatic Equipment:

Moisture in the compressed air can negatively impact pneumatic equipment, including valves, actuators, and air tools. It can cause rust, corrosion, and malfunctioning of these components. By using air dryers to remove moisture, the risk of damage to the equipment is significantly reduced, extending their lifespan and ensuring reliable performance.

3. Prevention of Contamination:

Moisture in compressed air can also lead to the growth of microorganisms, such as bacteria and fungi, within the system. These contaminants can contaminate the air and pose a health risk or cause product spoilage in sensitive applications, such as food and pharmaceutical industries. Air dryers help prevent the growth of these contaminants, ensuring clean and safe compressed air.

4. Enhanced Efficiency:

Dry compressed air improves the efficiency of the overall system. Moisture in the air can cause pressure drop issues, affecting the performance of pneumatic tools and equipment. Dry air allows for optimal operation, reducing energy consumption and enhancing system efficiency.

5. Reduced Maintenance and Downtime:

Moisture-related issues can lead to increased maintenance requirements and system downtime. By removing moisture with air dryers, the need for frequent maintenance and repairs caused by water-related problems is minimized. This helps in reducing costly downtime and improving productivity.

There are different types of air dryers commonly used in screw compressor systems:

a) Refrigerated Air Dryers: These dryers cool the compressed air, causing moisture to condense and separate from the air stream. The condensed water is then drained from the system, leaving behind dry air.

b) Desiccant Air Dryers: These dryers utilize desiccant materials, such as silica gel or activated alumina, to adsorb moisture from the compressed air. The desiccant material undergoes a regeneration process to remove the accumulated moisture, ensuring continuous drying of the compressed air.

c) Membrane Air Dryers: These dryers use permeable membranes to selectively remove moisture from the compressed air. The membranes allow water vapor to pass through while retaining dry air, effectively drying the compressed air stream.

The selection of the appropriate air dryer depends on factors such as the desired level of moisture removal, the specific application requirements, and the operating conditions of the screw compressor system.

In summary, air dryers play a vital role in screw compressor systems by removing moisture from the compressed air. They protect equipment, prevent contamination, enhance efficiency, and reduce maintenance and downtime. By ensuring dry and clean compressed air, air dryers contribute to the longevity, reliability, and optimal performance of the entire compressed air system.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China Professional 55kw 75HP Oil Free Water Lubricated Screw Air Compressor for Mining Industrial   supplier China Professional 55kw 75HP Oil Free Water Lubricated Screw Air Compressor for Mining Industrial   supplier
editor by CX 2023-10-05

China best Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor with Best Sales

Product Description

Working principle and characteristics of single screw compressor:

 

  • Simple construction Low vibration
    The single screw air compressor uses a single screw and 2 star wheels, 1 placed on either side of the screw. Radial and axial loads cancel each other, resulting a theoretically zero load. This is the most advanced designing structure of the single screw air compressor.

  • High efficiency
    Firstly, single screw air compressor theoretically doesn’t have any clearance volume. Secondly, the water used as a lubricating medium also seals gap inside the compression chamber, and enables high efficient operation at low speeds. Thirdly, using water as a cooling method keep compressor ideal isothermal compression.

  • Energy saving
    When the actual air usage is lower than rated air delivery, compressor consumes extra power without any air output during unloading. However, with inverter, compressor changes the rotary speed of motor depending on detected air pressure, resulting energy saving.

  • Less noise
    First, the motor and screw are directly connected without any rotation gear to cause gear noise. Meanwhile, sound absorbing materials are also used in the equipment shell to reduce noise.

  • Stable air delivery
    Depending on the valve of pressure sensor, the digital controller change the motor rotation speed through inverter. That is how it controls the discharge air pressure to make stable air output.

  • Monitorable
    Intelligent monitoring is used to prevent accidents. Emergency alarm appears on computers and short messages will also be sent to managers. All these are substantial to the prevention of production accidents.

Dry Type Oil-free Air Compressor Technical Parameters
 

Model Capacity(FAD)* Maxinmum working Installed motor power Lubricated Water Capacity Noise Dimensions(mm) Weight Air outlet Cooling Water Capacity
pressure level** pipe diameter
m3/min cfm bar(g) psig kw hp L/min dB(A) L*W*H(mm) kg Inch T/h
DVAWH-55(W) 1.8-6.0 64-212 20 290 37+15 50+20 86 70 29, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Local Distributor Service
Warranty: 18 months Warranty
Lubrication Style: Oil-free
Customization:
Available

|

air compressor

What Is the Noise Level of Screw Compressors?

The noise level of screw compressors can vary depending on several factors, including the compressor’s size, design, operating conditions, and the presence of noise-reducing features. Here’s a detailed explanation:

Screw compressors are known for their relatively low noise levels compared to other types of compressors, such as reciprocating compressors. However, the actual noise level can still vary depending on the specific compressor model and its operating parameters.

The noise level of screw compressors is typically measured in decibels (dB) and can range from around 60 dB to 90 dB or higher. It’s important to note that the noise level is logarithmic, meaning that a small increase in decibel level represents a significant increase in perceived noise intensity.

Several factors can influence the noise level of screw compressors:

  • 1. Compressor Size and Design: Larger screw compressors tend to produce higher noise levels compared to smaller ones. This is because larger compressors generally have more powerful motors and larger rotating components, which can generate more noise. The design of the compressor, including the type of rotor profiles and the presence of noise-reducing features, can also impact the noise level.
  • 2. Operating Conditions: The operating conditions of the compressor, such as the speed of rotation and the discharge pressure, can affect the noise level. Higher speeds and pressures may result in increased noise production. Additionally, the presence of pulsations or vibrations in the system can contribute to noise generation.
  • 3. Sound Insulation and Enclosures: Some screw compressors come with built-in sound insulation or enclosures to reduce noise levels. These features help contain the noise within the compressor unit and minimize the propagation of noise to the surrounding environment. Compressors equipped with sound insulation or enclosures generally have lower noise levels compared to open-frame compressors.
  • 4. Installation and Surrounding Environment: The installation of the compressor and the characteristics of the surrounding environment can influence the perceived noise level. Factors such as the proximity of the compressor to sensitive areas, the presence of sound-absorbing materials, and the layout of the facility can impact the noise propagation and overall noise perception.
  • 5. Maintenance and Wear: Proper maintenance of the compressor, including regular inspection and lubrication of components, can help minimize noise levels. Wear and tear on the compressor’s internal parts can lead to increased noise production, so timely repairs or component replacements are important to maintain optimal performance and minimize noise.

It’s worth noting that noise levels are typically provided by manufacturers as specifications for each compressor model. These specifications can help users select compressors with noise levels that meet their specific requirements or comply with local noise regulations.

In summary, the noise level of screw compressors can range from around 60 dB to 90 dB or higher, depending on factors such as compressor size, design, operating conditions, and the presence of noise-reducing features. Proper installation, maintenance, and the use of sound insulation or enclosures can help minimize noise levels and create a more comfortable and quieter operating environment.

air compressor

Are There Regulations Governing the Use of Screw Compressors in Certain Industries?

Yes, there are regulations governing the use of screw compressors in certain industries. Here’s a detailed explanation:

1. Occupational Safety and Health Administration (OSHA):

In the United States, OSHA sets standards and regulations to ensure the safety and health of workers. While OSHA does not have specific regulations solely focused on screw compressors, they have general requirements that apply to compressed air systems, including screw compressors. These requirements cover aspects such as electrical safety, guarding of moving parts, and proper maintenance practices to ensure worker safety.

2. Environmental Protection Agency (EPA):

The EPA in the United States regulates air emissions to protect the environment and public health. While screw compressors themselves are not directly regulated, if the compressed air is used in processes that emit pollutants, such as in industrial manufacturing, the EPA may have regulations that apply to those specific industries or processes.

3. Industry-Specific Regulations:

Certain industries have specific regulations that govern the use of screw compressors or compressed air systems. These regulations are often aimed at ensuring product quality, safety, and environmental compliance. Some examples include:

a) Food and Beverage Industry: The food and beverage industry often has strict regulations to ensure product safety and prevent contamination. Compressed air used in processes such as packaging, conveying, or powering equipment may need to meet specific quality standards, such as those established by the Food and Drug Administration (FDA) or the Global Food Safety Initiative (GFSI).

b) Pharmaceutical Industry: The pharmaceutical industry has stringent regulations to ensure product quality, safety, and compliance with Good Manufacturing Practices (GMP). Compressed air used in pharmaceutical manufacturing processes must meet specific standards, such as those outlined in the United States Pharmacopeia (USP) or the European Pharmacopoeia (Ph. Eur.).

c) Electronics Industry: The electronics industry often requires clean and dry compressed air to prevent damage to sensitive electronic components. Standards such as ISO 8573, which specify air purity classes for different contaminants in compressed air systems, may be applicable.

d) Automotive Industry: The automotive industry may have regulations and standards related to the use of compressed air in manufacturing processes, such as painting or pneumatic tools. These regulations often focus on worker safety, product quality, and environmental compliance.

It’s important for organizations in these industries to be aware of and comply with the relevant regulations governing the use of screw compressors. Compliance helps ensure the safety of workers, product quality, environmental protection, and overall regulatory compliance.

It’s worth noting that regulations may vary by country and region, so it’s essential to consult the specific regulations applicable to the industry and location where the screw compressors are being used.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China best Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor   with Best SalesChina best Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor   with Best Sales
editor by CX 2023-10-02

China Hot selling Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor with high quality

Product Description

Working principle and characteristics of single screw compressor:

 

  • Simple construction Low vibration
    The single screw air compressor uses a single screw and 2 star wheels, 1 placed on either side of the screw. Radial and axial loads cancel each other, resulting a theoretically zero load. This is the most advanced designing structure of the single screw air compressor.

  • High efficiency
    Firstly, single screw air compressor theoretically doesn’t have any clearance volume. Secondly, the water used as a lubricating medium also seals gap inside the compression chamber, and enables high efficient operation at low speeds. Thirdly, using water as a cooling method keep compressor ideal isothermal compression.

  • Energy saving
    When the actual air usage is lower than rated air delivery, compressor consumes extra power without any air output during unloading. However, with inverter, compressor changes the rotary speed of motor depending on detected air pressure, resulting energy saving.

  • Less noise
    First, the motor and screw are directly connected without any rotation gear to cause gear noise. Meanwhile, sound absorbing materials are also used in the equipment shell to reduce noise.

  • Stable air delivery
    Depending on the valve of pressure sensor, the digital controller change the motor rotation speed through inverter. That is how it controls the discharge air pressure to make stable air output.

  • Monitorable
    Intelligent monitoring is used to prevent accidents. Emergency alarm appears on computers and short messages will also be sent to managers. All these are substantial to the prevention of production accidents.

Dry Type Oil-free Air Compressor Technical Parameters
 

Model Capacity(FAD)* Maxinmum working Installed motor power Lubricated Water Capacity Noise Dimensions(mm) Weight Air outlet Cooling Water Capacity
pressure level** pipe diameter
m3/min cfm bar(g) psig kw hp L/min dB(A) L*W*H(mm) kg Inch T/h
DVAWH-55(W) 1.8-6.0 64-212 20 290 37+15 50+20 86 70 29, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Local Distributor Service
Warranty: 18 months Warranty
Lubrication Style: Oil-free
Customization:
Available

|

air compressor

How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

How Do Screw Compressors Contribute to Energy Savings?

Screw compressors offer several features and advantages that contribute to energy savings. Here’s a detailed explanation:

1. Efficient Compression Process:

Screw compressors are known for their efficiency in compressing air or gas. They use a unique rotary screw design, where two intermeshing screws rotate to compress the air. This design provides continuous and smooth compression, resulting in less energy loss compared to other compression technologies, such as reciprocating compressors. The efficient compression process of screw compressors helps reduce energy consumption.

2. Load and Unload Operation:

Screw compressors often incorporate load and unload operation, also known as capacity control. This feature allows the compressor to match its output to the actual demand for compressed air. During periods of lower demand, the compressor unloads by disengaging some of its capacity. This reduces power consumption since the compressor is not operating at full load continuously. By adjusting the compressor’s output to match the required air flow, load and unload operation helps save energy.

3. Variable Speed Drive (VSD) Technology:

Many screw compressors are equipped with Variable Speed Drive (VSD) technology. A VSD allows the compressor’s motor speed to be adjusted according to the demand for compressed air. By running the compressor at lower speeds during periods of lower demand, the energy consumption can be significantly reduced. The VSD technology enables precise control over the compressor’s output, resulting in energy savings and improved efficiency.

4. Air Leakage Reduction:

A common source of energy loss in compressed air systems is air leakage. Screw compressors are designed to minimize air leakage through improved sealing mechanisms and enhanced construction materials. By reducing air leakage, the compressor can operate more efficiently, as less energy is wasted in compressing air that escapes before reaching the intended point of use. Regular maintenance and monitoring practices help identify and address air leakage issues, further contributing to energy savings.

5. Integrated Energy Recovery:

In certain applications, screw compressors can be configured to recover and utilize the heat generated during the compression process. This recovered heat can be used for various purposes, such as space heating, preheating process air or water, or powering other thermal processes. By utilizing the recovered heat energy, screw compressors enhance overall energy efficiency and reduce the need for additional heating systems.

6. System Optimization and Controls:

Screw compressors often feature advanced control systems that optimize their operation for energy efficiency. These control systems monitor various parameters, such as system pressure, air demand, and temperature, and adjust the compressor’s operation accordingly. By continuously analyzing the system requirements and making intelligent adjustments, the control systems help minimize energy waste and maintain optimal performance.

7. Maintenance and Proper Operation:

Regular maintenance and proper operation of screw compressors are essential for maximizing energy savings. Routine maintenance activities, such as cleaning air filters, checking lubrication levels, and inspecting and repairing leaks, ensure the compressor operates at peak efficiency. Additionally, proper operation practices, such as avoiding excessive idling or overloading, contribute to energy savings and prolong the compressor’s lifespan.

In summary, screw compressors contribute to energy savings through their efficient compression process, load and unload operation, variable speed drive technology, air leakage reduction, integrated energy recovery, system optimization, and proper maintenance and operation. By utilizing these features and implementing energy-conscious practices, industries can significantly reduce energy consumption and lower operating costs in compressed air systems.

air compressor

What Are the Advantages of Using a Screw Compressor?

Using a screw compressor offers several advantages in various applications. Here’s a detailed explanation:

High Efficiency:

Screw compressors are known for their high efficiency in converting electrical power into compressed air or gas. The rotary positive displacement design of screw compressors allows them to deliver a large volume of compressed air or gas with minimal energy loss. This high efficiency results in cost savings and reduced energy consumption compared to other types of compressors.

Continuous Operation:

One of the key advantages of screw compressors is their ability to provide a continuous flow of compressed air or gas. The interlocking helical rotors ensure a smooth and continuous compression process without pulsations. This feature is particularly beneficial in applications that require a steady and reliable source of compressed air, such as in manufacturing plants and industrial processes.

Compact Design:

Screw compressors are known for their compact design, which allows for space-saving installation. They have a relatively small footprint compared to other types of compressors, making them suitable for applications where space is limited. The compact design also facilitates ease of installation and integration into existing systems.

Low Vibration and Noise Levels:

Screw compressors are designed to operate with low vibration levels, resulting in smooth and quiet operation. The interlocking rotors and balanced design help in minimizing vibrations, reducing the need for additional vibration isolation measures. The low noise levels make screw compressors suitable for applications where noise reduction is important, such as in office environments or noise-sensitive industrial settings.

Wide Range of Capacities:

Screw compressors are available in a wide range of capacities, allowing for flexibility in meeting different compressed air or gas requirements. Whether it’s a small-scale application or a large industrial process, there are screw compressors available to match the specific capacity needs. This versatility makes screw compressors suitable for a variety of industries and applications.

Oil-Injected and Oil-Free Options:

Screw compressors are offered in both oil-injected and oil-free variants, providing options to meet different application requirements. Oil-injected screw compressors use lubricating oil for cooling, sealing, and reducing friction between the rotors. They are commonly used in industrial applications where a small amount of oil in the compressed air is acceptable. Oil-free screw compressors, on the other hand, eliminate the need for oil and provide contaminant-free compressed air. They are preferred in industries such as food and beverage, pharmaceuticals, and electronics, where oil-free air is critical.

Overall, using a screw compressor offers advantages such as high efficiency, continuous operation, compact design, low vibration and noise levels, capacity flexibility, and options for oil-injected or oil-free operation. These benefits make screw compressors a popular choice in various industries for a wide range of applications.

China Hot selling Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor   with high qualityChina Hot selling Water Lubricated Oil Free Stationary Electric Direct Driven Rotary Screw Air Compressor   with high quality
editor by CX 2023-10-01

China Hot selling Water CZPT Oil Lubricated Jet Rotary Screw Air Compressor wholesaler

Solution Description

H2o CZPT Oil lubricated jet rotary screw air compressor

Software :
Air compressor is common market gear, is the 2nd largest electrical power supply, is also the procedure air resource with several utilizes, commonly used in mining exploitation, oil drilling, iron and steel metallurgy, electrical energy, shipbuilding, electronics production, petroleum chemical industry, light market, machinery production, foods and medication, transportation services, delivery docks, casting coating, car sector, aerospace, military technological innovation, infrastructure and so on fields.
Functions: adopt twin rotor/screw air conclude for compression air.

 

Advantages of our screw air compressor
one. Approved by ISO9001certificate, SGS, CE and and many others..
2. Undertake the most superior engineering and world CZPT model of twin rotor/screw air conclude in creating and  manufacturing, no leakage, make certain high air discharge and lower strength usage.
3. Undertake substantial high quality electrical motor with CZPT bearing, IP54, convenient upkeep and prolonged use daily life.
four. Undertake globe CZPT brand of air consumption filter, oil filter, air and oil separator, recognize substantial CZPT accuracy, compressed air oil material underneath 3ppm, achieve to global sophisticated normal stage. 

5. Equip with the most advanced air manage technique. Adopt air consumption valve, smart control method and pressure sensor mixed manage strategy, can operate by ON and OFF 2 position, stepless air potential handle program, time-hold off stop and routinely commence system 3 air potential handle techniques, can satisfy diverse customers demand from customers.
six. Smart microcomputer handle system, Chinese and English language procedure interface, malfunction exhibit, alarm and machine end routinely.
seven. Adopt high quality and globe CZPT manufacturer of primary elements, like Uk APD oil filter, America AMOT temperature managing valve, SCHNEIDER electrical elements and and so forth., higher effectiveness, reliable and lengthy use lifestyle.
8. Equip with after air compression cooler combination with the air and drinking water separator, compact framework and save space, stay away from leakage and enhance the air and water separating effectiveness primarily.

Parameters of  our twin-screw air compressor 

Note: F stands for wind CZPT kind, W stands for h2o CZPT sort. Other variety of stress benefit device can be custom-made.

 

Our manufacturing facility and workshop:

Following product sales service for our air screw compressor merchandise:
one. Offering professional air compression system developing for totally free.
two. Offering our manufacturing unit CZPT device parts at cheapest price tag soon after equipment revenue.
3. Supplying education and assistance for free, buyers can deliver their workers to our manufacturing facility to find out how to operate the machines.
4. Guarantee interval: the screw main equipment is 1 12 months, the bearing is 1 calendar year.
5. There is nearly no donning component of our machine products since we undertake high grade good quality and CZPT parts and electric parts when designing and manufacturing.

Certification and patents of our air compressor

FAQ:
Q1: Are you manufacturing facility or trade organization?  
A1: We are factory.
Q2: Warranty phrases of your machine? 
A2: One calendar year guarantee for the equipment and complex assist according to your wants.
Q3: Will you supply some spare components of the machines? 
A3: Yes, of course.
Q4: How extended will you take to arrange generation? 
A4: 380V 50HZ we can delivery the goods within twenty times. Other electricity or other shade we will shipping and delivery within 30 days.
Q5: Can you acknowledge OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

what to see in an air compressor

If you require to buy an air compressor, you should know what to look for. The sorts of air compressors on the market place are classified according to their CFM ranking, protection products, and pumps. There are numerous variations in between lubricated and oil-free of charge air compressors that you need to know prior to purchasing. To much better comprehend the variation in between these sorts of air compressors, read through on. This article will manual you through these variations.

Pump

If you are searching for a quality air compressor, you have arrive to the appropriate area. A good air compressor pump will supply high stress for something from tires to boats and far more. There are hundreds of various models to pick from, and the excellent factor about buying a single from a Chinese manufacturer is that they have so several choices. More importantly, Chinese makers can customize air gear these kinds of as air compressors at minimal prices.
A good quality air pump will not likely crack easily, but you are going to be in a position to use it for a long time. Picking a high-top quality pump will help you avoid several hassles on the highway, such as unplanned downtime and installation expenses. Additionally, a pump from the exact same producer as your air compressor is your greatest wager to guarantee optimum overall performance. Detailed beneath are some guidelines for finding a high quality pump for your air compressor.
The air compressor is an important but unremarkable creation. With no them, our lives would be completely distinct. With no a pump, we are unable to get very hot h2o from central heating, nor can we get heat from the fridge. We are unable to inflate bicycle tires, and we can’t refuel vehicles. Pumps are vital to all types of machines. So why is it important to choose the appropriate item? The reply could shock you.
Diverse sorts of pumps are used for various programs. Optimistic displacement pumps go a set volume of fluid and direct it to a drain. This layout ensures consistent stream at a constant velocity no matter of discharge force. Centrifugal pumps perform differently. The impeller accelerates the fluid, changing the enter vitality into kinetic energy. This sort of pump is most generally utilised in mines, air conditioning, industrial plants, and flood handle.
air-compressor

safety equipment

There are a number of basic safety attributes you need to examine when employing an air compressor. First, examine the relationship of the air filter to the air. If they appear loose, elements might separate and trigger damage. Another essential basic safety attribute is the shut-off valve. When functioning in close proximity to compressed air, the shut-off valve ought to be in effortless attain and visibility. Moving parts and other equipment have to be safeguarded with protective covers. Check protection valve and replace ruined areas.
Rupture discs are copper discs positioned on the air cooler. When the air pressure exceeds a certain restrict, it bursts. Fusible plugs have materials that melt at higher temperatures. The compressor ought to have a lubricating oil pressure alarm and reduce off the vacation sign. If these two basic safety products are unsuccessful, the compressor should be stopped quickly. The rupture disc need to be inspected at least weekly to ensure it does not rupture under force.
If the pressure stage is also high, and overcurrent security device cuts electricity to the motor. It also instantly shuts off the compressor when the hose ruptures or the air quantity exceeds a preset stage. The system ought to be put in on the air compressor to stop incidents. Its job is to shield the operator from damage. If workers do not stick to these protection actions, they may possibly result in equipment hurt.
To guarantee security when running the air compressor, safety glasses and gloves need to be worn. Pressurized air can lead to eye injury, and crash goggles can give a barrier to avoid this. Moreover, the self-retracting cord helps prevent trip dangers and reinforces excessive twine. You should also keep your arms and physique away from the air nozzle. This will avoid you from being sprayed with compressed air.

CFM Ranking

An air compressor’s PSI and CFM ratings show the stress and quantity it can provide. PSI stands for pounds per square inch and actions the drive and force contained in one sq. inch of air. These two indicators are equally crucial when selecting an air compressor. If you require a great deal of compressed air for a specific application, you will need a greater psi compressor. Also, if you are employing compressed air in a smaller software, a minimal cfm compressor will not offer sufficient energy to meet your demands.
When comparing various air compressors, be confident to spend close interest to horsepower and CFM ratings. While compressor power is crucial for some jobs, it is not the most essential aspect. The CFM score of an air compressor will establish how huge a venture it can handle and how lengthy it will take to cost. Make positive you recognize the CFM and PSI ratings of your foreseeable future compressors, as not understanding these critical stats can frustrate you and drive up charges.
In basic, it is best to pick an air compressor with a CFM rating increased than the dimensions of the air instrument. This will make certain that the air compressor has enough strain to perform several instruments effectively at the exact same time. Although smaller CFM scores may possibly be adequate for scaled-down assignments, bigger instruments these kinds of as drills call for a whole lot of air. Therefore, the higher the CFM, the more substantial and more potent the device.
When you comprehend the CFM of an air compressor, you can begin searching for the correct tool. You can examine the CFM ranking of your air compressor on the web by commenting beneath. If you happen to be not confident about the measurement of your air device, you can often purchase a next air compressor. This is a great way to double the CFM of your air compressor! You will have much more air to do far more operate, and your compressor will final longer.
air-compressor

Deficiency of oil and lubrication

Oil-free air compressors have a smaller footprint and require less routine maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are a lot more high-priced and heavier than oil-totally free air compressors, they are also ideal for stationary use. The rewards of oil-free air compressors incorporate better durability and decrease maintenance fees. The rewards and drawbacks of every single variety are discussed below.
Oil-totally free air compressors are typically quieter than oil-lubricated air compressors. Even so, you may even now knowledge some sounds whilst employing it. To keep away from this, you need to decide on a tranquil ingestion compressor. Nevertheless, if you work up coming to a noisy compressor, you need to get a muffler, an aftermarket filter that decreases compressor sounds.
If you want to use the air compressor for a lengthy time, the oil-totally free model is not the right option. Its Teflon coating wears off above time, specifically at severe temperatures. Moreover, oil-cost-free air compressors have a huge number of shifting parts that call for typical routine maintenance, although oil-stuffed air compressors are excellent for these who really don’t want to make investments in further parts.
One more key variation between oil-totally free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors demand standard lubrication whilst oil-totally free air compressors are pre-lubricated. They have less components and are less expensive. Oil-totally free air compressors are lighter than oil-lubricated air compressors. In addition to becoming far more inexpensive, oil-cost-free air compressors are much more effective and durable.
While oil-filled air compressors are far more successful and resilient, they generate a great deal of warmth. Nonetheless, they are also far more high-priced and call for normal oil alterations. Moreover, they are difficult to transport. They also need to have to be completely set up. These air compressors are also not moveable and need a mounted location. So, contemplate your requirements prior to deciding which sort is greatest for you. When you’re deciding on an air compressor for your company, be positive to store close to.
air-compressor

sounds level

If you are asking yourself what the sound level of an air compressor is, the answer depends on your specific tools and operating environment conditions. Generally, air compressors make 40 to ninety decibels of sound. Despite the fact that the decrease the decibel level, the quieter the compressor will be. Bigger, much more effective air compressors create increased sounds amounts than their tiny brothers. But no matter how big the air compressors are, it is a very good notion to put on listening to safety even though operating about them.
When getting a new air compressor, the sounds degree of the air compressor must be considered. Even though this may possibly appear like a small difficulty, there are in fact a good deal of variations on these noisy equipment. The most typical sort of air compressor is the reciprocating piston pump. This product utilizes pistons related to an engine to rotate inside a chamber. The piston moves speedily and traps air proportional to its dimension. Single-piston air compressors are typically noisier than twin-piston types, also recognized as twin cylinders.
But even if you have the proper equipment to defend your listening to, it’s even now crucial to know the sounds degree of an air compressor. Even if the sound is not right away unsafe, it can nonetheless cause short-term or long lasting listening to reduction. This issue is referred to as sound-induced listening to decline, and an air compressor with a seem degree of eighty or larger can trigger long term hearing hurt. You can stay away from prospective harm to your hearing and avert mishaps by merely spending attention to the sounds degree of your air compressor.
Air compressors are inherently noisy, but if you just take methods to decrease their sound amounts, you can lessen disruption to neighbors and co-employees. For example, installing a audio enclosure in your perform location can stop your air compressor from generating as significantly sounds as ahead of. Relying on your workspace, you can also try setting up a extended air hose, which will minimize seem ranges by up to 25%.
China Hot selling Water CZPT Oil Lubricated Jet Rotary Screw Air Compressor     wholesaler China Hot selling Water CZPT Oil Lubricated Jet Rotary Screw Air Compressor     wholesaler

China Standard Oil Lubricated Less Damage to Airend Screw Air Compressors Air Conditioner Compressor near me shop

Solution Description

Wise Decision for Air Remedy

Our products help clients to obtain sustainable efficiency in a wide range of marketplaces,
including general engineering, manufacturing industries, design, and much much more. 

With a golden coronary heart of the rotary screw air compressor, we make certain our products are managing at optimum effectiveness and bare minimum downtime at our customers’ websites. 

We developed our very own special rotors, which supply vitality cost savings of up to 15% compared to other traditional rotor designs.

Our roller bearings assure that our airends live considerably for a longer time than ever just before.

The ability of rotary screw compressors are properly controlled by our inlet valves.
Our manufacturing facility is able to create 2500 sets per thirty day period.

About Airstone

Our Company was established in HangZhou, China in 2000, and has given that expanded with a broad global network to serve customers in each and every corner of the world. 

We set places of work and services in Chang’an, HangZhou, thirty minutes generate from HangZhou Bao’an Worldwide Airport, very convenient for your enterprise visits.

With a team of basic Chinese hardworking group, we have been on the leading edge of compressed air answers, for twenty several years.

Our professional understanding of air compressor makes every interaction with buyers as very good as usually. 
 

No Cercern for Any Injury or Delay 

Our strong perception of obligation isn’t going to let any worries to hassle you.

Our skillfully qualified packing&moving staff guarantees your shipments are risk-free and protected during the whole approach.

Significantly less than 2 hours highway excursion from our manufacturing facility to HangZhoug Harbor.

Stay Connected 

Come to feel cost-free to make contact with, get solutions in no time.
  
    Tyson Jetzt
   86~13 0571 88828 13858117778925710132
   tyson_jetzt

How to Decide on the Right Air Compressor

An air compressor makes use of pressurized air to power a selection of tools. They are most typically used to power nailers and impact wrenches. Other common employs for air compressors incorporate paint sprayers and affect wrenches. Although all air compressors have the same fundamental building, their specialty differs. In the end, their distinctions arrive down to the amount of air they can push. Go through on for info on each kind of air compressor. These tools are fantastic for a lot of different reasons, and picking the right air compressor is dependent on your particular demands.
air-compressor

Electrical motor

While acquiring an electric powered motor for air compressor, compatibility is a key aspect. Not all motors perform with the exact same variety of air compressor, so it truly is critical to verify the manufacturer’s directions just before purchasing. By carrying out this, you can stay away from squandering income on an incompatible motor. Another critical thought is speed. A motor’s velocity is its rate of rotation, measured in revolutions for each minute. It is crucial that you buy a motor with sufficient speed to meet up with the needs of your air compressor.
Normally, an electric motor for air compressor is 1.5 hp. It is best for use with medical tools and metallic-reducing devices. It also performs nicely beneath continuous operation and delivers a large performance and vitality-saving efficiency. Additionally, it features an attractive price, producing it a excellent choice for a wide variety of applications. If you are seeking for a motor for an air compressor, look no more than a ZYS sequence.
A motor’s security class signifies how the motor will function. Defense courses are specified by the IEC 60034-5. These are stated with two digits and signify the security in opposition to reliable objects and h2o. For instance, an IP23 ranking means that the motor will be guarded from strong objects, even though IP54 signifies that it will protect from dust and h2o sprayed from all instructions. It is vital to select a motor with the appropriate safety class for your air compressor.
When picking an electric motor, you must contemplate no matter whether it’s suitable with the brand of air compressor. Some could be suitable, although others could need sophisticated electronics capabilities to mend. Even so, most air compressors are lined by guarantee, so it really is crucial to examine with the maker if the warranty is even now in result just before you commit a dime on a substitution. The motor ought to be replaced if it has unsuccessful to carry out as designed.
air-compressor

Oil tub

Air compressors need correct lubrication to operate effectively. The piston should draw air with minimal friction. Relying on their style, air compressors can either be oil-lubricated or oil-cost-free. The previous utilizes oil to lessen piston friction, even though the latter splashes it on the cylinder bearings and walls. This sort of air compressors are generally known as oil-flooded air compressors. In get to keep their oil baths clear, they are suggested for use in spots with large dust levels.

Begin/end control

An air compressor can be controlled by a begin/stop management. This variety of management sends a signal to the principal motor that activates the compressor when the demand for air falls under a preset restrict. This management strategy is powerful for scaled-down air compressors and can be useful for reducing power fees. Commence/stop manage is most successful in programs exactly where air strain does not adjust frequently and the place the compressor is not required to operate continually.
To troubleshoot this problem, you want to check out the energy supply of your compressor. To verify the provide side, use a voltage keep an eye on to determine if energy is flowing to the compressor. Guarantee that the electrical power provide to the compressor is constant and secure at all moments. If it fluctuates, the compressor may not commence or stop as envisioned. If you can’t uncover the difficulty with the air compressor electricity source, it may possibly be time to replace it.
In addition to the begin/stop manage, you may possibly want to purchase added air receivers for your air compressor. These can boost the capacity of air stored and lessen the number of moments it commences and stops. One more way to lower the quantity of commences for every hour is to incorporate more air receivers. Then, you can adjust the handle to match your demands. You can also install a force gauge that monitors the compressor’s performance.
Start off/stop handle for air compressors can be complex, but the basic parts are reasonably effortless to understand. One particular way to check them is to flip the compressor on or off. It is typically located on the exterior of the motor. If you might be doubtful of the spot of these factors, verify the capacitors and make positive that the air compressor is not running whilst you are not using it. If it does, try to remove the capacitor.
Variable displacement control is one more way to alter the quantity of air flowing into the compressor. By managing the quantity of air, the management can delay the use of further compressors until finally a lot more essential air is accessible. In addition to this, the unit can also keep an eye on the vitality utilised in the compressor. This control approach can result in considerable vitality cost savings. You can even save on the sum of electrical power by employing variable displacement manage. It is essential for effective compressed air systems.
air-compressor

Variable speed push

A VFD, or variable frequency travel, is a variety of electrical motor that adjusts its speed to match the demand from customers for air. It is an efficient way to reduce strength fees and increase technique dependability. In fact, research have revealed that a 20% reduction in motor pace can help save up to fifty% of energy. In addition, a VFD can monitor added variables this sort of as compressor oil force and motor temperature. By removing handbook checks, a VFD will improve the overall performance of the application and reduce working costs.
In addition to minimizing vitality expenses, variable-speed drives also improve productivity. A variable-velocity air compressor lowers the threat of system leaks by thirty percent. It also lowers the danger of method leaks by decreasing strain in the system. Because of these advantages, several governments are promoting this engineering in their industries. Many even supply incentives to aid organizations up grade to variable-speed drives. Therefore, the variable-pace travel can gain many air compressor installations.
One main advantage of a variable-velocity push is its capacity to enhance power use. Variable frequency drives are in a position to ramp up and down to match the demand from customers for air. The goal is to optimize the strain and stream in the system so that the very best “useless band” takes place among forty per cent and eighty percent of entire load. A variable-speed compressor will also improve power performance because of its programmability.
A variable-pace air compressor can also be utilised to manage the sum of air that is compressed by the program. This characteristic adjusts the frequency of energy supplied to the motor based on the demand from customers. If the demand from customers for air is low, the frequency of the motor will decrease to save power. On the other hand, if there is an surplus demand from customers for air, the variable-speed compressor will enhance its velocity. In addition, this kind of air compressor is much more productive than its fastened-pace counterpart.
A VFD has many positive aspects for compressed air methods. Very first, it assists stabilize the pressure in the pipe community, therefore minimizing the power losses due to upstream stress. It also will help decrease the power use triggered by fluctuations in upward stress. Its positive aspects are also far-reaching. And as extended as the air strain and air supply is effectively sized, a VFD will help enhance the effectiveness of compressed air techniques.

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