Screw Air Compressor

Your Professional Air Compressor For Laser Cutting Machine Supplier

King Kong Water Cooled Screw Air Compressor Co., Ltd. focused on the research and development, production, manufacturing, and sales of air compressors. The company mainly produces and sells types of air compressors and their accessories such as permanent magnet variable frequency screw machines, laser specific permanent magnet variable frequency pry mounted machines, and laser specific permanent magnet variable frequency integrated machines, and provides after-sales services such as maintenance. Our products are widely used in various fields such as manufacturing, engineering construction, and energy extraction.

Industry-Leading Technology
Our patented water-cooled + air-cooled system delivers high cooling efficiency and stable operation even in extreme temperatures. This reduces shutdown risks, lowers energy use, and extends equipment life.

Full In-House Production Control
We manage R&D, machining, assembly, and testing within our own facilities. This ensures consistent quality, low noise levels, and reliable performance across industries such as automotive, chemical, and food processing.

Complete Service and Custom Solutions
We provide tailored air-compression solutions for different working conditions and support customers through installation, commissioning, and ongoing maintenance. Multiple service points ensure fast, dependable technical response.

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Parameter

POWER	7.5KW
VOLUME FLOW	1.1M3/MIN
FOREIGN VOLTAGE	220V／380V／440V／3PH／60HZ and so on
ROTATIONAL SPEED	3000R/MIN
NET WEIGHT	120KG
EXHAUST PRESSURE	0.8MPA
EXTERNAL	920MMx710MMx995MM

Types of Screw Air Compressor

The screw air compressors produced by our company mainly include the following types

Variable Speed Screw Air Compressor

By using permanent magnet synchronous motors combined with advanced variable frequency control systems, intelligent speed regulation and on-demand energy supply can be achieved.

Rotary Screw Air Compressors

The rotor of a permanent magnet synchronous motor is a permanent magnet that does not require excitation, thus reducing the losses of stator current and stator resistance.

Electric Screw Compressor

The electric screw compressor is equipped with an automatic cleaning function, which uses timed or inductive control to remove dust and cool down the radiator, effectively preventing high temperature problems caused by dust accumulation and ensuring long-term stable operation of the system.

Advantages of Screw Air Compressor

01/

Can run continuously
A screw compressor is built and optimized for continuous operation and can therefore withstand load rates of up to 100%.

02/

Suitable for harsh conditions
A screw compressor can operate in harsh weather conditions. Whether the temperature is high or low, the screw compressor can produce compressed air.

03/

Very reliable
A screw compressor is a very reliable machine because it can withstand high load rates and harsh conditions.

04/

Simple maintenance
The continuous operation of the screw compressor and fewer material parts, means that it does not wear as quickly, which can reduce the need for maintenance costs.

05/

Generates lower temperature
The screw compressor generates lower temperatures than other types of compressors. This means that regardless of load and pressure, the compressor temperature will be kept at a constant temperature.

06/

Energy efficient
Screw compressors are more energy efficient than other types of compressors, e.g. piston compressors. When running the same amount of time, they will have been more efficient and therefore have used less energy.

07/

Less condensate
The screw compressor's lower operating temperature means that less water/condensate is formed during compression. It reduces the amount of condensate that can end up in your compressor, equipment and end products.

08/

Silent operation
The design of the screw compressor helps to provide a low noise level, and many screw compressors run at very low noise levels compared to other compressor types.

Applications of Screw Air Compressor

Manufacturing and Industrial: Providing compressed air for powering pneumatic tools, machinery, and equipment.

Agriculture: Rotary screw compressors are used for tasks such as crop spraying, dairy farming, and powering irrigation systems.

Automovite: They are used in auto repair shops for tasks such as painting, tire inflation, and powering pneumatic tools.

Food and Beverage: Ensuring clean air for packaging and processing.

Construction: Powering tools and equipment on construction sites.

Mining: Providing compressed air for drilling and other mining operations.

Semiconductor Manufacturing: Ensuring a clean and controlled environment for producing semiconductors.

Variable Speed Screw Air Compressor suppliers

Installation Precautions for Screw Air Compressors

Space
The amount of space available for installation, including the location of the compressor, air receiver tank, and any other related equipment, should be taken into account. In particular, the location and surrounding space need to consider heat dissipation for the air compressor.

Power supply
The compressor must have access to a suitable power supply to operate correctly, including the correct voltage, amperage, and phase.

Distribution system
A well-designed compressed air distribution system is essential to ensure efficient and effective delivery of compressed air. The size and length of the pipes, as well as the materials used, should be selected based on the specific requirements of the application.

Air quality
The quality of the incoming air, including the presence of contaminants, should be assessed to determine if intake filtration or other air treatment is required.

Noise
Industrial air compressors can generate a significant amount of noise, so the location and design of the installation should take into account any potential noise pollution issues and reduce compressor noise where possible.

Safety
The safety of the compressor and its components, including the air receiver tank, should be a top priority during installation. This may include ensuring that the compressor is located in an area where it will not pose a hazard, installing appropriate safety features like pressure relief valves, and ensuring that the compressor meets all relevant safety regulations.

Ordering Process

Please tell us the model with quantity and other requirement which you needed.

We issue the Proforma Invoice to you after confirmed the price and other details.

We arrange the order production upon receipt of confirmed PI and your deposit.

After the goods is ready, we will inform you the shipment date and other informations by email at the same time.

Packaging and Shipping

Packaging	We pack our products strictly with standard seaworthy case.
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Service

Pre Sales Service

● Provide multilingual technical materials, including equipment parameters, energy efficiency certifications (such as CE), and customs codes.
● Assist clients in calculating the total cost, including FOB/CIF quotation, tariff estimation, transportation insurance, and necessary documents for customs clearance (packing list, commercial invoice, certificate of origin).
● Support sample shipping, provide case references and sample displays for overseas customers, and dispel their concerns about equipment compatibility.

In Sales Service

● Our company actively ensures smooth cross-border delivery.
● After confirming the order, synchronize the production progress in real-time and provide factory production videos or photos.
● Coordinate with professional freight forwarders, select the optimal transportation method (sea freight, air freight), and provide full logistics tracking information such as bills of lading.
● Assist clients in completing customs clearance in the destination country and prepare special documents in advance.

After Sales Service

● Remote rapid response+localized support, reducing maintenance difficulty.
● Provide 24-hour multilingual online technical support and remotely guide customers through video to solve basic faults.
● Set up accessory warehouses and after-sales service points in key markets to ensure quick delivery of vulnerable parts.
● Support overseas on-site services, coordinate with local cooperative engineers or dispatch original factory personnel for on-site repairs, and clarify travel and service fee standards.

FAQ

Q: What is a screw compressor and how does it work?

A: A screw compressor is a type of rotary air compressor which uses two interlocking rotors to compress air. As these rotors turn, air gets trapped and progressively compressed between them, effectively reducing its volume and increasing its pressure.

Q: How do oil-free and oil-lubricated screw compressors differ?

A: Oil-free screw compressors do not use oil in the compression process, making them ideal for industries where air purity is paramount. Oil-lubricated compressors, on the other hand, use oil for cooling and lubrication, enhancing their efficiency and longevity but are not suitable for applications where air purity is critical.

Q: Can screw compressors be used in heavy-duty industrial applications?

A: Yes, screw compressors are well-suited for heavy-duty applications. They are capable of non-stop operation, offer high capacity and efficient heat dissipation, and are designed to be durable and long-lasting, even in the demanding conditions of large-scale industrial environments.

Q: Are screw compressors better?

A: Rotary screw compressors generally have lower operating costs and are more energy-efficient in the long run, especially for continuous use scenarios. However, piston compressors might offer savings for smaller or less frequent applications.

Q: How long will a screw compressor last?

A: With proper maintenance, rotary screw compressors can have a long operational life, often lasting between 10 to 20 years or more. The longevity of the compressor depends on factors such as operating conditions, maintenance practices, and the quality of the compressor components.

Q: What are the common faults of screw compressors?

A: Common faults in screw air compressors include difficulty in starting, automatic shutdown, abnormal vibrations, and temperature anomalies. The main causes involve improper slide valve positioning, component wear, insufficient voltage, pipeline vibrations, and inadequate oil levels.

We are one of the most reliable manufacturers and suppliers of screw air compressor in China. With abundant experience, we warmly welcome you to buy high quality screw air compressor for sale here from our factory. For price consultation, contact us.

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