Air Compressor

Your Professional Air Compressor Manufacturer!

Quzhou Zhongdu Machinery Technology Co.,Ltd is industry and trade company which modern enterprise integrating scientific research, development, manufacture and trading. Based on integrity, responsibility and cooperation. Our company have professional R&D and sales team, providing one-stop service for customers. Our company mainly products is screw Air Compressor, Piston Air Compressor, Drill Machine, Drill Rig Parts, Jack Hammer, Boring Machine, Tunnel Shotcreting Machine and Other Machinery Hardware Product etc.

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Why Choose Us

OEM Services Provided
Over the years, the company has cooperated with large and medium-sized enterprises in the industrial base to customize relevant products for customers according to customer needs and actual use.

High Quality
Our products are manufactured to very high standards, using the finest materials and manufacturing processes. After years of cooperative research and development with various manufacturers, the functions of various types of products are continuously optimized and the quality is more reliable.

Production Market
Our products are sold well at home and abroad and are well received by customers. Its main markets include Southeast Asia, Central Asia, West Asia, Africa, the Middle East and South America.

One-Stop Solution
At our manufacturing facilities, we provide a complete package that includes everything required to get you started, including training, installation and support.

Advantages of Air Compressor

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Energy Efficiency
A compressed air system is one of the most energy-intensive components in industrial operations, making efficiency a priority. Variable Speed Drive (VSD) compressors help reduce energy waste by adjusting motor speed to match demand, lowering costs while ensuring a reliable and efficient air supply.

Security
The fundamental advantage of employing air compressors is that they are safe. They can function at high temperatures and provide the simplicity and security of using simple air rather than other energy sources. When opposed to electrical equipment, there is no risk of personnel receiving an electric shock, and in the workplace, the safety of your team is always of the utmost significance.

Durability and Low Maintenance
Air compressors can work well for a long time without needing many repairs. Cleaning them often and regularly changing the filter helps keep them in good condition.This makes it useful for businesses that use compressed air for tasks such as spray painting. The compressed air controls how much paint comes out from the can so you can create a smooth finish.

Customization
Air compressors can be customized to your specific needs. This includes tailoring the compressor’s air flow, pressure, and capacity to meet your production requirements. The power source of the air compressor can be customized, allowing you to convert from electric to gas drive or vice versa. In addition, you can choose from a variety of compressor types, such as reciprocating, screw, or centrifugal - each type has its own unique features and advantages.

Product Parameter (specification)

Model: ZD20LV-8
Name	Compressor air screw VSD
Air end	BAOSI
Motor	Anchen (IP23)
Frequency conversion	ZONCN
Flow Rate	2.3 m3/min
Air pressure	0.8 MPa
Rated Power	15 kW
Motor Speed	3000 r/min
Motor Protection	IP 23/F
Drive Method	Direct Drive
Noise Level	≤76 dB
Cooling Method	Air cooling
Lubricating Oil Volume	10L
Start Mode	Frequency Conversion Start
Outlet size	R3/4″
Compressed air outlet temperature after cooling	Temperature +12℃
Voltage	380V/50HZ, the voltage can be as local demand
*Dimensions (LWH)*	10807501020mm
Weight	240KG

Application of Air Compressor

Compressed air energy supply
Air compressors are widely used to provide energy to various equipment and machinery. For example, they can power air tools (such as air drills, air screwdrivers, and spray guns), air conveying systems, air control systems, and air mechanical equipment.

Industrial manufacturing
In the industrial manufacturing process, air compressors are used to provide high-pressure gas to drive machinery and equipment, such as pneumatic motors, pneumatic pistons, pneumatic valves, etc. They can also be used to operate pneumatic valves in hydraulic systems.

Compressed air storage
The air compressor can store compressed air for subsequent use. This is useful in applications that require an intermittent supply of high pressure air, such as air receivers for pneumatic systems and air cushion equipment.

Auto repair and maintenance
Garages and repair centers often use air compressors to power air tools and equipment, such as tire inflation tools, paint spray guns, and air wrenches.

Medical industry
Air compressors also have important uses in medical facilities. For example, they are used to provide operating rooms with clean compressed air for use in respirators and other medical equipment.

Food and beverage industry
In food and beverage processing, air compressors are used to provide clean compressed air to operate pneumatic conveying systems, control valves and drive pneumatic equipment.

Building and Construction Engineering
In building and construction engineering, air compressors are commonly used to power and operate air tools such as nailers, impactors, and spray guns, clean equipment, and maintain building structures.

Pneumatic control system
Air compressors are widely used in pneumatic control systems. These systems use compressed air to operate and control various mechanical devices and valves such as pneumatic doors, pneumatic valves, pneumatic actuators, etc. Pneumatic control systems play a key role in many industrial applications, including automotive manufacturing, factory automation and machining.

Cleaning and spraying
The air compressor can provide compressed air for cleaning and spraying. In cleaning, they are used to operate air blast guns and blasting devices to remove dust, debris and dirt from surfaces. In terms of spraying, air compressors provide high-pressure air supply to drive paint spray guns or paint spray systems for automotive painting, building painting and other painting applications.

Refrigeration and air conditioning systems
Air compressors play an important role in refrigeration and air conditioning systems. They are used to provide compressed air to operate valves, expansion devices and air coolers in air conditioning systems. In addition, air dryers are often used in conjunction with air compressors to remove moisture and impurities in the air and ensure the normal operation of the cooling system.

Components of Air Compressor

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Air Compressor Motor
The air compressor motor serves as the powerhouse of the compressor system. It provides the necessary mechanical energy to drive either the air end (in rotary screw compressors) or the compressor pump (in reciprocating compressors).

Air End (for Rotary Screw Compressors)
In rotary screw air compressors, the air end is where the actual compression takes place. The compression chamber consists of two interlocking rotors — one male and one female. As the rotors turn, they decrease the volume of captured air, effectively compressing it.

Compressor Pump (for Reciprocating Air Compressors)
In reciprocating air compressors, the compressor pump functions through a piston-cylinder mechanism. The piston moves within the cylinder, drawing in ambient air and compressing it. Multi-stage air pumps have multiple cylinders that compress the air in successive stages, allowing for higher pressure.

Oil Pump/Lubrication System
The lubrication system is a critical component in most air compressors, including oil-flooded rotary screw and lubricated piston compressors. The primary role of an oil pump, for compressors that have one, is to circulate lubricating compressor oil to the compressor’s various moving parts, minimizing friction, wear, and heat generation.

Pressure Gauges
A pressure gauge on an air compressor is an essential instrument that displays the current pressure level within the system, typically measured in pounds per square inch (PSI) or bar. This gauge allows operators to monitor the compressor’s output and ensure it’s operating within the desired and safe pressure range.

Check Valve
Located between the compressor and the tank, the check valve ensures that compressed air does not flow back into the compressor once it has entered the tank. This one-way valve allows air to flow into the tank while preventing it from flowing backward, ensuring consistent pressure and operation.

Safety Pressure Relief Valve
This is a crucial safety feature. If the system pressure exceeds safe levels, the safety valve will automatically open to release excess pressure, ensuring the system doesn’t experience a dangerous overpressure situation.

Unloader Valves
The unloader valve releases trapped air between the compressor and the check valve, allowing the motor to unload or restart without resistance. It ensures a smooth start-up after the compressor reaches its cut-out pressure.

Pressure Switches
These devices monitor the pressure within the air tank. When the pressure drops below a set point, the pressure switch activates the motor to start compressing more air. Conversely, when the tank reaches its maximum pressure, the switch will turn off the motor or unload the compressor, ensuring efficiency and safety.

Belts
In belt-driven compressor models, the belts transfer power from the motor to the compressor pump or air end. Regular inspection and replacement are vital as worn belts can reduce efficiency or even break, halting compressor operation.

Air Filter
The inlet air filter cleans the incoming air before it’s compressed. This prevents dust, dirt, and other contaminants from entering and potentially damaging the system or contaminating the compressed air.

Drain Valves
Accumulated moisture and condensate need to be regularly drained from the air tank. A drain valve, which can be manual or automatic, facilitates this process, ensuring that water doesn’t build up inside the tank or lines.

Gaskets
Gaskets provide a seal between various compressor components, preventing air leaks and ensuring efficient operation.

Vibration Pads
To reduce noise and prevent wear and tear from constant vibrations, many compressors are mounted on vibration pads. These pads absorb and dampen vibrations, leading to quieter operation and increased component longevity.

Types of Air Compressor

Reciprocating piston air compressors: These compressors use a piston to compress and deliver high-pressure air for various applications. As the piston moves down, it pulls air in. As it moves back up, the air is compressed and then released.

Rotary screw compressors: In these compressors, two screws rotate to produce compressed air. These compressors are available in fixed and variable-speed models and are quiet and reliable.

Scroll compressors: Scroll compressors uses a circular motion to compress and release air. Within the outer shell, there are two circular-shaped components. One component is fixed, and the other orbits inside it. The rotating component has chambers that change in size during each orbit due to its placement. A larger chamber shrinks to compress and release air.

Packing And Delivery

FAQ

Q: How long is your delivery time?

A: The general delivery time is 15-30 days after receiving your order confirmation.

Q: What's your MOQ?

A: If we have the products in stock, it will be no MOQ. If we need to produce, we can discuss the MOQ according to customer's exact situation.

Q: Warranty terms of your machine?

A: One year warranty for the machine and technical support according to your needs.

Q: Can your products be customized?

A: Yes, we have a professional team which has rich experience in welding equipment ,so we'll try our best to satisfy your requirement.

Q: What is your term of payment?

A: 30% down payment before producing and 70% balance payment before shipping.

Q: Which shipping way can you provide?

A: We can provide shipping by sea, by air and by train.

Q: Do you have the test and audit service?

A: Yes, we can assist to get the designated test report for product and the designated factory audit report.

Q: Could you print our company LOGO on the nameplate and package?

A: Yes, we can do that.

Q: How should I choose the right air compressor for my needs?

A: When choosing an air compressor, it’s important to consider the specific requirements of your tasks. For instance, small air compressors might be sufficient for tasks like tyre inflation or DIY projects, while medium to large compressors are better suited for continuous industrial operations.
Consider factors like air pressure (PSI), the type of air tools you need to power, and whether the compressor will be used for high-pressure air applications. Additionally, the compressor’s storage capacity and ability to provide a consistent supply of compressed air should align with your operational needs.

Q: Is an air compressor the same as an air pump?

A: No, an air compressor and an air pump are not the same, though they both deal with air. Air pumps are designed to move or inflate air, while air compressors are designed to compress air to a higher pressure. Air compressors typically store compressed air in a tank for later use, whereas air pumps often deliver air directly for immediate use.

Quzhou Zhongdu Machinery Technology Co., Ltd. is one of the most professional air compressor manufacturers and suppliers in China. We warmly welcome you to wholesale customized air compressor made in China here from our factory.

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