China Professional Residual Gas Recovery Air Cooling High Pressure Piston LPG Compressor with high quality

Product Description

LPG LNG storage tank LPG compressor Ammonia Reciprocating Piston Compressor 

ZW series Oil-Free LPG Gas Compressor, it has many functions, small volume, lightweight, small power, stable and reliable operation, and has good safety performance. It can transport highly volatile liquid such as liquefied petroleum gas and recover the gas left in the tank, Liquid Natural Gas. Due to the unique oil-free lubrication design, there is no need for oil lubrication in the cylinder, so it will not pollute the medium (ensure the purity of gas) and keep the transported substances pure.

Excellent complement, satisfied performance, light weight, small occupying area, more compressing ratio, smooth running, long service life of spare parts, simple operation, reliability and easy maintenance. ZW series compressors have both fixed or movable types; both normal atmosphere (0.1~1.5MPa) and high pressure (1.6~2.4MPa) to meet different requirements of customers.


LPG Compressor Technical Parameters
Model Flow rate m3/min Inlet pressure (MPa) Discharge pressure (MPa) Motor power (Kw)
ZW-0.6/10-16 0.6 1.6 7.5
ZW-0.8/10-16 0.8 1 1.6 11
ZW-1.0/10-16 1 1 1.6 15
ZW-1.3/10-16 1.3 1 1.6 18.5
ZW-1.5/10-16 1.5 1 1.6 22
ZW-2.0/10-16 2 1 1.6 30
ZW-2.5/10-16 2.5 1 1.6 37
ZW-3.0/10-16 3 1 1.6 45
ZW-4.0/10-16 4 1 1.6 55
ZW-8.0/10-16 8 1 1.6 110
ZW-1.0/1-10 1 0.1 1 15
ZW-1.0/2-5 1 0.2 0.5 7.5
The above models are commonly used and can be customized according to  each industry plant’s different requirements.
The above data are calculated according to: 
Inlet pressure: ≤ 1.0Mpa; 
Exhaust pressure: ≤ 1.6Mpa; 
Maximum pressure difference: 0.6Mpa; 
Maximum instantaneous pressure ratio: ≤6 
Cooling mode: air cooling or water cooling (according to end user’s local conditions to design); 
Inlet temperature: 40ºC; 
Liquid density of liquefied gas: 582.5kg/m3. 

Main purpose and scope of Application

This series of compressors are mainly used for loading, unloading, tank pouring, residual gas recovery, tank vehicle loading, unloading, bottle filling, bottle emptying, conveying, residue removal and it can be also used in the processes of other petrol-industries, residual liquid recovery and other operations of LPG. They are ideal equipment for liquid transportation and gas recovery. Therefore, it is widely used in LPG storage and distribution station, gas mixing station, gasification station, tank plant, automobile filling station, etc., especially in large, medium and small LPG stations.

In addition, it is suitable for liquid transportation and residual gas recovery of propane, butane, butene and other volatile substances with low boiling point. Its variant products can be used for liquid transportation and gas recovery of propylene, liquid ammonia, etc.

Technical Paramter

No. Item Specification
1 Compressor Model ZW-0.6/10-15 
2 Compress  medium LPG Gas
3 Structure Vertical Type, Air Cooking, Single action  
4 Compress stage number single stage
5 volume capacity (F.A.D)   0.6 m3/min
6 Suction pressure   1Mpa
7 Discharge pressure   1.5Mpa
8 Suction temperature  ≤40ºC
9 Discharge temperature ≤110ºC
10 Compressor speed(r/min) 500
11 Motor Power  7.5KW ,YB3-132M-4   dIIBT4 
12 Cooling method Air Cooling
13 Lubricate method Crank case, Crankshaft, Connect rod, Crosshead Splash lubrication
Cylinder, filling   Oil free lubrication
14 Driven Method Belt driven
15 Installation  with skid-board
16 Noise    85dB (A)
17 Vibration intensity 28
18 Dimension about 1220×680×980mm
19 Weight about 360KG
20 Scope of supply Compressor, motor, common underframe, gas pipeline, four-way valve, safety valve, instrument, random spare parts, factory documents, etc.



Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Vertical
Structure Type: Closed Type
Compress Level: Single-Stage
US$ 2800/Piece
1 Piece(Min.Order)

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Can Gas Air Compressors Be Used for High-Pressure Applications?

Gas air compressors can be used for high-pressure applications, but there are certain considerations to keep in mind. Here’s a detailed explanation:

Gas air compressors are available in various sizes and configurations, and their suitability for high-pressure applications depends on factors such as the compressor’s design, power output, and the specific requirements of the application. Here are some key points to consider:

1. Compressor Design:

Not all gas air compressors are designed to handle high-pressure applications. Some compressors are specifically built for low-to-medium pressure ranges, while others are designed to deliver higher pressure outputs. It is important to select a gas air compressor model that is rated for the desired pressure range. The compressor’s specifications and manufacturer’s guidelines will provide information on the maximum pressure it can generate.

2. Power Output:

The power output of a gas air compressor is a crucial factor in determining its suitability for high-pressure applications. High-pressure compressors require more power to achieve and sustain the desired pressure levels. It is important to ensure that the gas air compressor has sufficient power output to meet the demands of the specific high-pressure application.

3. Cylinder Configuration:

The cylinder configuration of the gas air compressor can also affect its ability to handle high-pressure applications. Compressors with multiple cylinders or stages are designed to generate higher pressures compared to compressors with a single cylinder. Multi-stage compressors compress the air in multiple steps, allowing for higher pressure ratios.

4. Safety Considerations:

High-pressure applications require careful attention to safety considerations. Gas air compressors used for high-pressure applications should be equipped with appropriate safety features such as pressure relief valves, pressure gauges, and safety shut-off systems. It is crucial to follow all safety guidelines and regulations to ensure safe operation.

5. Maintenance and Inspection:

Regular maintenance and inspection are essential for gas air compressors used in high-pressure applications. High-pressure operation can put additional stress on the compressor components, and proper maintenance helps ensure optimal performance and safety. Regular inspections and adherence to maintenance schedules will help identify and address any potential issues before they become major problems.

6. Application-specific Considerations:

Each high-pressure application may have specific requirements and considerations. It is important to evaluate factors such as the required pressure level, duty cycle, flow rate, and any specific environmental conditions that may impact the performance of the gas air compressor. Consulting with the compressor manufacturer or a qualified professional can help determine the suitability of a gas air compressor for a particular high-pressure application.

In summary, gas air compressors can be used for high-pressure applications, provided that they are designed, rated, and configured appropriately. It is essential to consider factors such as compressor design, power output, safety features, maintenance requirements, and application-specific considerations to ensure safe and reliable operation at high pressures.

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

What Fuels Are Commonly Used in Gas Air Compressors?

Gas air compressors can be powered by various fuels depending on the specific model and design. The choice of fuel depends on factors such as availability, cost, convenience, and environmental considerations. Here’s a detailed explanation of the fuels commonly used in gas air compressors:

1. Gasoline:

Gasoline is a widely used fuel in gas air compressors, particularly in portable models. Gasoline-powered compressors are popular due to the widespread availability of gasoline and the convenience of refueling. Gasoline engines are generally easy to start, and gasoline is relatively affordable in many regions. However, gasoline-powered compressors may emit more exhaust emissions compared to some other fuel options.

2. Diesel:

Diesel fuel is another common choice for gas air compressors, especially in larger industrial models. Diesel engines are known for their efficiency and durability, making them suitable for heavy-duty applications. Diesel fuel is often more cost-effective than gasoline, and diesel-powered compressors typically offer better fuel efficiency and longer runtime. Diesel compressors are commonly used in construction sites, mining operations, and other industrial settings.

3. Natural Gas:

Natural gas is a clean-burning fuel option for gas air compressors. It is a popular choice in areas where natural gas infrastructure is readily available. Natural gas compressors are often used in natural gas processing plants, pipeline operations, and other applications where natural gas is abundant. Natural gas-powered compressors offer lower emissions compared to gasoline or diesel, making them environmentally friendly.

4. Propane:

Propane, also known as liquefied petroleum gas (LPG), is commonly used as a fuel in gas air compressors. Propane-powered compressors are popular in construction, agriculture, and other industries where propane is used for various applications. Propane is stored in portable tanks, making it convenient for use in portable compressors. Propane-powered compressors are known for their clean combustion, low emissions, and easy availability.

5. Biogas:

In specific applications, gas air compressors can be fueled by biogas, which is produced from the decomposition of organic matter such as agricultural waste, food waste, or wastewater. Biogas compressors are used in biogas production facilities, landfills, and other settings where biogas is generated and utilized as a renewable energy source. The use of biogas as a fuel in compressors contributes to sustainability and reduces dependence on fossil fuels.

It’s important to note that the availability and suitability of these fuel options may vary depending on the region, infrastructure, and specific application requirements. When selecting a gas air compressor, it’s crucial to consider the compatibility of the compressor with the available fuel sources and to follow the manufacturer’s guidelines regarding fuel selection, storage, and safety precautions.

China Professional Residual Gas Recovery Air Cooling High Pressure Piston LPG Compressor   with high qualityChina Professional Residual Gas Recovery Air Cooling High Pressure Piston LPG Compressor   with high quality
editor by CX 2023-09-29

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