China manufacturer Factory Direct 22kw 30HP 4-in-1 Fixed Speed Screw Air Compressor with Great quality

Product Description

Applicable Industries

Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Construction works , Energy & Mining

 

Showroom Location

Egypt, Indonesia, India, Mexico, Thailand, Morocco, Uzbekistan, Australia

 

Place of CHINAMFG

HangZhou, China

 

Warranty

1 Year

 

Working Pressure

7 bar, 8 bar, 12 bar, 10 bar

 

Machinery Test Report

Provided

 

Video outgoing-inspection

Provided

 

Marketing Type

Hot Product 2571

 

Warranty of core components

2 years

 

Core Components

Engine, Motor

 

Gas Type

Air

 

Condition

New

 

Type

Screw

 

Configuration

Stationary

 

Power Source

AC POWER

 

Lubrication Style

Lubricated

 

Mute

Yes

 

Brand Name

CHINAMFG

 

Model Number

WBS-22KW, WBV-22KW

 

Voltage

220/380/415V

 

Dimension(L*W*H)

1350*780*1250mm

 

Weight

590kg

 

Cooling method

Air Cooling Water Cooling

 

Application

Compressed Air

 

Keywords

Air Compressor Screw

 

Motor power

22kw

 

Pressure

7-13bar

 

Usage

Air Compressing

 

Capacity

High Performance

 

Motor

IP55

 

Drive method

Driect Drive

 

Warranty of core components

2 years

Model No.

Working pressure
bar

Capacity(FAD)
m3/min

Powerkw

Driving model
Cooling method

Noise level
dB

Outlet diameter

Weight
kg

Dimension
mm

WBS7.5

7

1.2

7.5

Direct
Air cooling(Standard)

63

G3/4″

400

890*560*840

8

1.1

10

1.0

12

0.8

WBS11

7

1.8

11

Direct
Air cooling(Standard)

64

G3/4″

460

1050*690*1080

8

1.6

10

1.5

12

1.3

WBS15

7

2.6

15

Direct
Air cooling(Standard

65

G3/4″

500

1050*690*1080

8

2.4

10

2.1

12

1.8

WBS22

7

3.7

22

Direct driven
Air cooling

65

G1″

550

1350*780*1250

8

3.5

10

3.1

12

2.7

WBS30

7

5.3

30

Direct driven
Air cooling

67

G1-1/2″

940

1420*900*1425

8

5.1

10

4.6

12

3.9

WBS37

7

6.5

37

Direct driven
Air cooling

67

G1-1/2″

1000

1420*900*1425

8

6.2

10

5.6

12

4.9

WBS45

7

8.1

45

Direct driven
Air cooling

70

G1-1/2″

1050

1750*1100*1700

8

7.5

10

7.0

12

6.0

WBS55

7

10.5

55

Direct driven
Air cooling

73

G2″

1500

1750*1100*1700

8

10

9

9.0

12

8.0

WBS75

7

14.3

75

Direct driven
Air cooling

75

G2″

1700

1750*1100*1700

8

13.0

10

11.8

12

10.5

 

 

 

  FAQ of  75 kw 8 Bar 16 Bar Outstanding Silver Compressed Air Compressor Machine Screw Type Air Compressor On Sale

Q1: What’s your delivery time?
A: Generally 15 to 20 days, if urgently order, pls contact our sales in advance.

Q2: How long is your air compressor warranty?
A: One year for the whole machine and 2 years for screw air end, except consumble spare parts.
Q3: How long could your air compressor be used?
A: Generally, more than 10 years.

Q4: What’s payment term?
A: T/T, L/C, Western Union, Credit Card, and etc.  Also we could accept USD, RMB, Euro and other currency.

Q5: How about your customer service?
A: 24 hours on-line service available.  48hours problem sovled promise.

Q6: How about your after-sales service?
A: 1.  Provide customers with intallation and commissioning online instructions.
2.  Well-trained engineers available to overseas service. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: One Year
Warranty: One Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: DC Power
Cylinder Position: Vertical
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

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

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

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 manufacturer Factory Direct 22kw 30HP 4-in-1 Fixed Speed Screw Air Compressor   with Great qualityChina manufacturer Factory Direct 22kw 30HP 4-in-1 Fixed Speed Screw Air Compressor   with Great quality
editor by CX 2024-03-07

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