China high quality 250kw 8bar Oil-Free Water Lubricated Industrial Screw Type Air Compressor for Oil and Gas Field best air compressor

Product Description

Product Description

Product Introduction

    The Airend of Kingair water lubricated Oil-free CHINAMFG adopts PEEK door rotor, aerospace grade stainless steel rotor and a new production process. Using nano-scale water filter core and Inlet reverse osmosis system, it can provide a stable and qualified lubricating water treatment system for the compressor. The oil-free machine system can change water without stopping according to the set water change cycle, reducing daily maintenance costs and making use more worry-free. The system is simple, reduces parts and failure points, and improves reliability. Low energy consumption, isothermal compression, higher volumetric efficiency, more than 15% energy saving than two-stage compression dry oil-free screw compressor.

Detailed Photos

Product Parameters

Model KAW-250A
Power(Kw) 250Kw
Pressure(Bar) 8Bar
Volume flow(m3/min) 43.5m3/min
Air Outlet 4”
Weight(kg) 4600Kg
Dimension(mm) 3100×1850×2100mm








Packaging & Shipping




Installation Instructions



Company Profile



    ZheJiang Kingair Industrial Co., Ltd., is the core technology solution provider for compressed gas system solutions, with mature operation experience and excellent brand reputation in the 3 major areas : product system, core technology and solutions.
    The company has strong comprehensive strength, the factory is located in Xihu (West Lake) Dis., ZheJiang , covers an area of 30000 square meters, has a strong equipment production capacity. In the course of 20 years of operation and development, we have always adhered to the enterprise spirit of
“professionalism, innovation, energy saving and service”, deeply implemented the strategic policy of environmental protection and low carbon, and realized the construction of high intelligent and efficient air pressure system industry chain.
    Kingair focuses on R&D, production and trade, and produces air compressor products with stable overall performance, advanced control system, superior, gas environment, reasonable design, higher efficiency and longer service life.
    Each product of the company has passed the IS09000 quality management system certification, European CE, ISO certification, etc., and has established a complete set of mature foreign trade operation system. The products are popular in more than 80 countries and regions in Asia, Europe,Africa and America.





Q1. Is KINGAIR trading company or manufacturer ?
A: We are professional manufacturer of screw air compressor, more than 20 years experience.

Q2. How long is KINGAIR delivery time ?
A: KINGAIR standard delivery time is 15 working days after confirmed order.For the other non-standard requirements will be discussed case by case.

Q3. How about your after-sales service?
A: 1. Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3. CHINAMFG agents and after service available arrange our engineers to help you training and installation.

Q4. What is the available voltage KINGAIR compressor?
A:KINGAIR available voltage include 380v/50hz/3p,400v/50hz/3p,415v/50hz/3p,220v/60hz/3p,440v/60hz/3p,And
KIGNAIR also supplies the required voltage.

Q5. Do you have any certificate ?
A: Yes, according to customer’s market need, we can offer CE certificate, ISO certificate, etc.

Q6. Do you offer OEM service ?
A: Yes, both OEM & ODM service can be accepted.

Q7. Can KINGAIR machines be run in high temperature environment?What is working temperature range?
A: Yes, KINGAIR machines would run in high temperature environment countries.Such as India, UAE,South Africa, Saudi Arabia, Iraq, Pakistan,etc.


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After-sales Service: on Line Technical Support
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal
US$ 64700/Piece
1 Piece(Min.Order)

Request Sample



air compressor

What Is the Fuel Efficiency of Gas Air Compressors?

The fuel efficiency of gas air compressors can vary depending on several factors, including the compressor’s design, engine size, load capacity, and usage patterns. Gas air compressors typically use internal combustion engines powered by gasoline or propane to generate the mechanical energy required for compressing air. Here’s a detailed explanation of the factors that can influence the fuel efficiency of gas air compressors:

1. Engine Design and Size:

The design and size of the engine in a gas air compressor can impact its fuel efficiency. Engines with advanced technologies such as fuel injection and electronic controls tend to offer better fuel efficiency compared to older carbureted engines. Additionally, larger engines may consume more fuel to produce the required power, resulting in lower fuel efficiency compared to smaller engines for the same workload.

2. Load Capacity and Usage Patterns:

The load capacity and usage patterns of the gas air compressor play a significant role in fuel efficiency. Compressors operating at or near their maximum load capacity for extended periods may consume more fuel compared to compressors operating at lower loads. Additionally, compressors used intermittently or for lighter tasks may have better fuel efficiency due to reduced demand on the engine.

3. Maintenance and Tuning:

Proper maintenance and tuning of the gas air compressor’s engine can improve fuel efficiency. Regular maintenance tasks such as oil changes, air filter cleaning/replacement, spark plug inspection, and tuning the engine to the manufacturer’s specifications can help ensure optimal engine performance and fuel efficiency.

4. Operating Conditions:

The operating conditions, including ambient temperature, altitude, and humidity, can affect the fuel efficiency of gas air compressors. Extreme temperatures or high altitudes may require the engine to work harder, resulting in increased fuel consumption. Additionally, operating in humid conditions can affect the combustion process and potentially impact fuel efficiency.

5. Fuel Type:

The type of fuel used in the gas air compressor can influence its fuel efficiency. Gasoline and propane are common fuel choices for gas air compressors. The energy content and combustion characteristics of each fuel can affect the amount of fuel consumed per unit of work done. It is important to consider the specific fuel requirements and recommendations of the compressor manufacturer for optimal fuel efficiency.

6. Operator Skills and Practices:

The skills and practices of the operator can also impact fuel efficiency. Proper operation techniques, such as avoiding excessive idling, maintaining consistent engine speeds, and minimizing unnecessary load cycles, can contribute to improved fuel efficiency.

It is important to note that specific fuel efficiency ratings for gas air compressors can vary widely depending on the aforementioned factors. Manufacturers may provide estimated fuel consumption rates or fuel efficiency data for their specific compressor models, which can serve as a reference point when comparing different models or making purchasing decisions.

Ultimately, to maximize fuel efficiency, it is recommended to select a gas air compressor that suits the intended application, perform regular maintenance, follow the manufacturer’s guidelines, and operate the compressor efficiently based on the workload and conditions.

air compressor

Can Gas Air Compressors Be Used in Agriculture?

Yes, gas air compressors can be used in various agricultural applications. Here’s a detailed explanation:

1. Pneumatic Tools and Equipment:

Gas air compressors can power a wide range of pneumatic tools and equipment used in agriculture. These tools include pneumatic drills, impact wrenches, nail guns, staplers, and pneumatic pumps. Gas air compressors provide the necessary compressed air to operate these tools, making various tasks more efficient and convenient on the farm.

2. Irrigation Systems:

Gas air compressors can be used to power irrigation systems in agriculture. They can supply compressed air to operate pneumatic valves, which control the flow of water in irrigation networks. Gas air compressors ensure reliable and efficient operation of irrigation systems, facilitating the distribution of water to crops in a controlled manner.

3. Grain Handling and Storage:

Air compressors play a vital role in grain handling and storage facilities. They are used to power aeration systems that provide airflow to grains stored in silos or bins. Aeration helps control the temperature and moisture levels, preventing spoilage and maintaining grain quality. Gas air compressors provide the airflow necessary for effective aeration in grain storage operations.

4. Cleaning and Maintenance:

In agriculture, gas air compressors are commonly used for cleaning and maintenance tasks. They can power air blowers or air guns to remove dust, debris, or chaff from machinery, equipment, or storage areas. Gas air compressors provide a high-pressure stream of compressed air, facilitating efficient cleaning and maintenance operations.

5. Livestock Operations:

Gas air compressors find applications in livestock operations as well. They can power pneumatic equipment used for animal care, such as pneumatic nail guns for building or repairing livestock enclosures, pneumatic pumps for water distribution, or pneumatic tools for general maintenance tasks.

6. Portable and Versatile:

Gas air compressors are often portable and can be easily transported around the farm, allowing flexibility in agricultural operations. Their versatility makes them suitable for various tasks, from powering tools and equipment in the field to providing compressed air for maintenance or cleaning in different farm locations.

7. Remote Locations:

In agricultural settings where access to electricity may be limited, gas air compressors offer a reliable alternative. They can be powered by gasoline or diesel engines, providing compressed air even in remote areas without electrical infrastructure.

8. Considerations:

When using gas air compressors in agriculture, it is essential to consider factors such as compressor size, capacity, and maintenance requirements. Selecting the right compressor based on the specific needs of the agricultural applications ensures optimal performance and efficiency.

In summary, gas air compressors have various applications in agriculture. They can power pneumatic tools and equipment, operate irrigation systems, facilitate grain handling and storage, assist in cleaning and maintenance tasks, support livestock operations, and offer portability and versatility. Gas air compressors contribute to increased efficiency, convenience, and productivity in agricultural operations.

air compressor

How Do You Choose the Right Size Gas Air Compressor for Your Needs?

Choosing the right size gas air compressor is crucial to ensure optimal performance and efficiency for your specific needs. Selecting a compressor that is too small may result in insufficient airflow or pressure, while choosing one that is too large can lead to unnecessary energy consumption and higher costs. Here’s a detailed explanation of the factors to consider when choosing the right size gas air compressor:

1. Required Airflow:

Determine the airflow requirements of your applications. Consider the tools, equipment, or processes that will be powered by the compressor and their respective airflow demands. The required airflow is typically measured in cubic feet per minute (CFM). Determine the total CFM required, taking into account any simultaneous or intermittent tool usage.

2. Operating Pressure:

Identify the operating pressure required for your applications. Different tools and systems have specific pressure requirements, measured in pounds per square inch (PSI). Ensure that the compressor you choose can deliver the required pressure consistently.

3. Duty Cycle:

Consider the duty cycle, which refers to the amount of time the compressor will be in operation within a given period. Some applications may require continuous operation, while others involve intermittent or occasional use. Take into account the duty cycle to ensure that the compressor can handle the expected workload without overheating or experiencing excessive wear.

4. Tank Size:

The tank size of a gas air compressor determines its ability to store compressed air and provide a steady supply. A larger tank can help accommodate fluctuations in demand and reduce the frequency of the compressor cycling on and off. Consider the required storage capacity based on the specific applications and the desired balance between continuous operation and storage capacity.

5. Power Source:

Gas air compressors can be powered by different fuels, such as gasoline, diesel, natural gas, or propane. Consider the availability and cost of the fuel options in your location, as well as the specific requirements of your applications. Choose a compressor that is compatible with a power source that suits your needs.

6. Portability:

Determine if portability is a requirement for your applications. If you need to move the compressor to different job sites or locations, consider a portable model with features like wheels, handles, or a compact design that facilitates easy transportation.

7. Noise Level:

If noise is a concern in your working environment, consider the noise level of the compressor. Gas air compressors can vary in their noise output, and certain models may have noise-reducing features or insulation to minimize sound emissions.

8. Manufacturer Recommendations:

Consult the manufacturer’s recommendations and guidelines for selecting the appropriate compressor size for your specific needs. Manufacturers often provide guidelines based on the anticipated applications, airflow requirements, and other factors to help you make an informed decision.

By considering these factors and carefully assessing your specific requirements, you can choose the right size gas air compressor that meets your airflow, pressure, duty cycle, and other operational needs. It’s advisable to consult with industry professionals or compressor experts for guidance, especially for complex or specialized applications.

China high quality 250kw 8bar Oil-Free Water Lubricated Industrial Screw Type Air Compressor for Oil and Gas Field   best air compressorChina high quality 250kw 8bar Oil-Free Water Lubricated Industrial Screw Type Air Compressor for Oil and Gas Field   best air compressor
editor by CX 2024-03-27

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