China supplier High Efficiency Oil Free High Pressure Air Compressor air compressor for sale

Product Description

 PET bottle blowing machine

 PET bottle blowing machine Description & advantage

DMG middle and high pressure oil-free compressor is a high-efficiency and energy-saving air compressor specially designed and developed for the PET bottle blowing machine. 

Four steps compressed screw and oil-free air piston booster compressor

Permanent magnet frequency conversion, energy saving selection
The perfect combination of inverter and inverter motor

DMG air compressor can be equipped with frequency converter to achieve optimal energy saving effect

Adjust enerygy consumption by 20% through frequency converter

Achieve constant pressure air ,provide stable air source for users

The balance starts, reduces the impact of the motor on the power grid, and extends the mechanical life of the motor and the unit.

The frequency converter can be provided at random and can be upgraded later

Permanent magnet synchronous motor scheme

DMG air compressor can be equipped with permanent magnet synchronous motor to further improve the energy saving effect

Adopt refractory rare earth permanent magnet and never demagnetize

Motor efficiency is 5%-8% higher than ordinary motor, and more energy saving

Can realize frequency conversion configuration function, and the frequency adjustment range is wide

High efficiency and energy saving dual-stage screw host

The double-stage CHINAMFG has the reasonable pressure ratio,ultra-small leakage and ultra-low noise. Make the compressed rotor and rotor of the secondary compression combination within a chassia. and through the direct drive for the front,make every level of the rotor at runtime and matching the best linear velocity of gas production, and reasonable and can reduce leakage in the compression, compression ratio under the same flow,two-stge compression than CHINAMFG compression enerygy saving 15% on average.

Efficient water cooling system

Unit of lubricating oil,cylinder,packing all use through efficient cooler water cooling, effectivly reduce the temperature, the final exhaust temperature of egnerating units is not more than 130 ºC,great extend valve pistion ring, packing, and other parts of life

High efficiency cooler and interstage cooling technology, the waste heat generated by the unit is carried away,and the compressor compression cycle is the closest to is othermal compression.

The installation of the unit is not affected in the harsh environment

The heat exchage area is large and small , and under the same heat transfer capacity, the volume is only about 60% of the swirl cooler to the warped tube

 PET bottle blowing machine Technical Parameters

 PET bottle blowing machine Customer site

 PET bottle blowing machine Package & Shipping



1. What makes you different with others?

1) Our Excellent Service
For a quick, no hassle quote just send email to us
We promise to reply with a price within 24 hours – sometimes even within the hour.

2).Our quick manufacturing time
For Normal orders, we will promise to produce within 15-20 working days.
We can ensure the delivery time according to the formal contract

2. Can I use our own brand logo on the products?

Yes. We provide OEM/ODM service to our customers. Our professional engineers having rich experience in heat pump design and manufacture. Just tell us your ideas or provide the drawing, we can help you to carry out your ideas. 

3.What is your terms of delivery?

We accept FOB, CFR, CIF, EXW etc. You can choose the 1 which is the most convenient or cost effective for you.

4.What about warranty?

12 Months after B/L date. Any failure occurred within the period due to our responsibility, we’ll supply you the spare parts for free, also permanent technical support and consultation all life long for the machines.


Lubrication Style: Oil-free
Cooling System: Water Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Vertical
Structure Type: Closed Type
Compress Level: Double-Stage


air compressor

What role do air dryers play in compressed air systems?

Air dryers play a crucial role in compressed air systems by removing moisture and contaminants from the compressed air. Compressed air, when generated, contains water vapor from the ambient air, which can condense and cause issues in the system and end-use applications. Here’s an overview of the role air dryers play in compressed air systems:

1. Moisture Removal:

Air dryers are primarily responsible for removing moisture from the compressed air. Moisture in compressed air can lead to problems such as corrosion in the system, damage to pneumatic tools and equipment, and compromised product quality in manufacturing processes. Air dryers utilize various techniques, such as refrigeration, adsorption, or membrane separation, to reduce the dew point of the compressed air and eliminate moisture.

2. Contaminant Removal:

In addition to moisture, compressed air can also contain contaminants like oil, dirt, and particles. Air dryers help in removing these contaminants to ensure clean and high-quality compressed air. Depending on the type of air dryer, additional filtration mechanisms may be incorporated to enhance the removal of oil, particulates, and other impurities from the compressed air stream.

3. Protection of Equipment and Processes:

By removing moisture and contaminants, air dryers help protect the downstream equipment and processes that rely on compressed air. Moisture and contaminants can negatively impact the performance, reliability, and lifespan of pneumatic tools, machinery, and instrumentation. Air dryers ensure that the compressed air supplied to these components is clean, dry, and free from harmful substances, minimizing the risk of damage and operational issues.

4. Improved Productivity and Efficiency:

Utilizing air dryers in compressed air systems can lead to improved productivity and efficiency. Dry and clean compressed air reduces the likelihood of equipment failures, downtime, and maintenance requirements. It also prevents issues such as clogging of air lines, malfunctioning of pneumatic components, and inconsistent performance of processes. By maintaining the quality of compressed air, air dryers contribute to uninterrupted operations, optimized productivity, and cost savings.

5. Compliance with Standards and Specifications:

Many industries and applications have specific standards and specifications for the quality of compressed air. Air dryers play a vital role in meeting these requirements by ensuring that the compressed air meets the desired quality standards. This is particularly important in industries such as food and beverage, pharmaceuticals, electronics, and automotive, where clean and dry compressed air is essential for product integrity, safety, and regulatory compliance.

By incorporating air dryers into compressed air systems, users can effectively control moisture and contaminants, protect equipment and processes, enhance productivity, and meet the necessary quality standards for their specific applications.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

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 supplier High Efficiency Oil Free High Pressure Air Compressor   air compressor for saleChina supplier High Efficiency Oil Free High Pressure Air Compressor   air compressor for sale
editor by CX 2023-10-16

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