China Custom VW-3/0.5-25 Ammonia Compressor Air Compressor Equipment Solve Gas Compression Problems in Petroleum, Chemical, Gas, and Pharmaceutical Industries Factories air compressor parts

Product Description

HangZhou United Compressor Manufacturing Co., Ltd. was established in 2002 and is a high-tech enterprise in ZheJiang Province. The company has complete production equipment testing methods, and relies on its technological advantages to introduce, absorb, and digest new technologies and processes from abroad. The products have covered all domestic demand industries and regions, and are exported to multiple countries such as Russia, Tajikistan, India, Pakistan, North Korea, etc. It is a qualified supplier and partner for many domestic and foreign enterprises.
    The company has a sales and service team that continuously provides customers with various energy-saving and modern compressor system products. In the past 10 years, the company has maintained rapid and stable development, providing products and services for industries such as natural gas, steel, petroleum, chemical, coal, mining, and metallurgy. We not only have mature products, but also have a capable after-sales service team, such as conducting pre-sales inspections of compressors, timely tracking during sales, and 24-hour after-sales repair and maintenance services.

Product Application
Mainly used for pressurized transmission of natural gas into the pipeline network (Natural pipeline gas extraction and combustible gas recovery tank filling)
It can also be used for stirring in the pharmaceutical and brewing industries, pressurized gas transportation in the chemical industry, blow molding bottle making in the food industry, and dust removal of parts in the machine manufacturing industry.
Product Features
1. This series of compressors is an advanced piston compressor unit produced and manufactured using the product technology of Mannes Mandermarg Company in Germany.
2. The product has the characteristics of low noise, low vibration, compact structure, smooth operation, safety and reliability, and high automation level. It can also be configured with a data-driven remote display and control system according to customer requirements.
3. Equipped with alarm and shutdown functions for low oil pressure, low water pressure, high temperature, low inlet pressure, and high exhaust pressure of the compressor, making the operation of the compressor more reliable.
Structure Introduction
The unit consists of a compressor host, electric motor, coupling, flywheel, pipeline system, cooling system, electrical equipment, and auxiliary equipment.

Reference Technical parameters and specifications

NO. MODEL Compressed medium Flow rate
Inlet pressure
Outlet pressure
Rotating speed
Motor power
Cooling mode Overall dimension
1 DW-14/(0-0.2)-25 Raw gas 800 0-0.02 2.5 740 160 Water cooled 4800*3200*1915 ~10000
2 VW-8/18 Vinylidene fluoride gas 418 Atmospheric pressure 1.8 980 75 Water cooled 3700*2000*1700 ~4500
3 VWD-3.2/(0-0.2)-40 Biogas 230 0-0.2 4.0 740 45 Water cooled 6000*2500*2650 ~8000
4 VW-9/6 Ethyl chloride gas 470 Atmospheric pressure 0.6 980 55 Water cooled 2800*1720*1700 ~3500
5 DWF-12.4/(9-12)-14 Carbon dioxide 6400 0.9-1.2 1.4 740 185 Air cooled 6000*2700*2200 ~10000
6 VWF-2.86/5-16 Nitrogen gas 895 0.5 1.6 740 55 Air cooled 3200*2200*1750 ~3500
7 DW-2.4/(18-25)-50 Raw gas 2900 1.8-2.5 5.0 980 160 Water cooled 4300*3000*1540 ~4500
8 VW-5.6/(0-6)-6 Isobutylene gas 1650 0-0.6 0.6 740 45 Water cooled 2900X1900X1600 ~3500
9 VW-3.8/3.5 Mixed gas 200 Atmospheric pressure 0.35 980 18.5 Water cooled 2200*1945*1600 ~2000
10 ZW-1.7/3.5 Vinyl chloride gas  100 Atmospheric pressure 0.35 740 15 Water cooled 2700X1600X2068 ~2000
11 ZWF-0.96/5 Hydrogen chloride gas 55 Atmospheric pressure 0.5 740 11 Air cooled 2000*1500*2000 ~1000
12 VW-0.85/(0-14)-40  Refrigerant gas 300 0-1.4 4.0 740 55 Water cooled 4500*2300*1780 ~5500
13 DW-3.78/(8-13)-(16-24) Ammonia gas 2700 0.8-1.3 1.6-2.4 740 75 Water cooled 3200*2000*1700 ~3500

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Warranty: 12months
Lubrication Style: Lubricated
Cooling System: Customized
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Customized
Structure Type: Open Type


air compressor

Can air compressors be used for cleaning and blowing dust?

Yes, air compressors can be effectively used for cleaning and blowing dust in various applications. Here’s how air compressors are utilized for these purposes:

1. Cleaning Machinery and Equipment:

Air compressors are commonly used for cleaning machinery and equipment in industries such as manufacturing, automotive, and construction. Compressed air is directed through a nozzle or blowgun attachment to blow away dust, debris, and other contaminants from surfaces, crevices, and hard-to-reach areas. The high-pressure air effectively dislodges and removes accumulated dust, helping to maintain equipment performance and cleanliness.

2. Dusting Surfaces:

Air compressors are also employed for dusting surfaces in various settings, including homes, offices, and workshops. The compressed air can be used to blow dust off furniture, shelves, electronic equipment, and other objects. It provides a quick and efficient method of dusting, especially for intricate or delicate items where traditional dusting methods may be challenging.

3. Cleaning HVAC Systems:

Air compressors are utilized for cleaning HVAC (Heating, Ventilation, and Air Conditioning) systems. The compressed air can be used to blow dust, dirt, and debris from air ducts, vents, and cooling coils. This helps improve the efficiency and air quality of HVAC systems, preventing the buildup of contaminants that can affect indoor air quality.

4. Blowing Dust in Workshops:

In workshops and garages, air compressors are often used to blow dust and debris from workbenches, power tools, and work areas. Compressed air is directed to blow away loose particles and maintain a clean and safe work environment. This is particularly useful in woodworking, metalworking, and other trades where dust and debris can accumulate during the manufacturing or fabrication processes.

5. Cleaning Electronics and Computer Equipment:

Air compressors are employed for cleaning electronics and computer equipment. The compressed air is used to blow dust and debris from keyboards, computer cases, circuit boards, and other electronic components. It helps in preventing overheating and maintaining the proper functioning of sensitive electronic devices.

6. Industrial Cleaning Applications:

Air compressors find extensive use in industrial cleaning applications. They are employed in industrial settings, such as factories and warehouses, for cleaning large surfaces, production lines, and equipment. Compressed air is directed through specialized cleaning attachments or air-operated cleaning systems to remove dust, dirt, and contaminants efficiently.

When using air compressors for cleaning and blowing dust, it is important to follow safety precautions and guidelines. The high-pressure air can cause injury if directed towards the body or sensitive equipment. It is advisable to wear appropriate personal protective equipment, such as safety glasses and gloves, and ensure that the air pressure is regulated to prevent excessive force.

Overall, air compressors provide a versatile and effective solution for cleaning and blowing dust in various applications, offering a convenient alternative to traditional cleaning methods.

air compressor

Are there differences between single-stage and two-stage air compressors?

Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:

Compression Stages:

The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.

Compression Process:

In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.

Pressure Output:

The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.


Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.


Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.


The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.

It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.

In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.

air compressor

What are the different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China Custom VW-3/0.5-25 Ammonia Compressor Air Compressor Equipment Solve Gas Compression Problems in Petroleum, Chemical, Gas, and Pharmaceutical Industries Factories   air compressor partsChina Custom VW-3/0.5-25 Ammonia Compressor Air Compressor Equipment Solve Gas Compression Problems in Petroleum, Chemical, Gas, and Pharmaceutical Industries Factories   air compressor parts
editor by CX 2023-12-21