China Factory Suppliers 4-in-1 Oil-Lubricated Screw Air Compressor with Integrated Dryer and Filtration System

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The 4-in-1 Screw Air Compressor is a cutting-edge compressed air solution produced by leading manufacturers in China, designed to enhance efficiency and streamline installation for various industrial applications. This all-in-one system integrates a screw air compressor, refrigerated air dryer, precision filters, and an air storage tank into a compact unit, ensuring a reliable and complete compressed air supply.

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This innovative design not only saves installation space but also simplifies piping, leading to significantly reduced operating and maintenance costs. With built-in drying and advanced multi-stage filtration, our compressor guarantees clean and dry compressed air by effectively eliminating moisture, oil, and dust particles.

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Renowned among suppliers in China, the 4-in-1 screw air compressor is favored for its stable performance, low noise operation, and high energy efficiency. It's widely utilized across industries such as manufacturing, laser cutting, automotive, and woodworking. This product offers a convenient, efficient, and space-saving solution for anyone in need of high-quality compressed air.

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Product Description

Inverter
Inverter

The inverter is the brain of the air compressor, and all operations of the air compressor are processed and regulated through the inverter, ensuring the safe and reliable operation of the air compressor system in all aspects.

We typically use inverters from Megmeet, Inovance, and Zoncn, which are internationally renowned brands with stable and reliable quality and guaranteed after-sales service, providing customers with the best possible air compressor user experience.

Controller
Controller
  • Adopts PLC multilanguage control system with a beautiful and intuitive interface; easy-to-operate functions allow operators to quickly and easily adjust the compressor.
  • 14 protection functions including overload protection, short circuit protection, reverse protection, low temperature protection, high voltage protection, and more — fully protecting the unit.
  • Advanced microcomputer control drive system realizes intelligent control, air volume variable speed control, automatic adjustment of load start and soft start. Dynamic display of working status, visual pressure, temperature, and current working curves.
  • Large memory with printer interface support; compatible with computer remote monitoring or multiple linkage control between air compressors.
Motor
Motor
  • The main motor is an IP23 high-efficiency energy-saving permanent magnet motor carefully selected for air compressor applications. (Other IP levels available.)
  • Meets national energy efficiency standards with F-class insulation and B-class temperature rise, effectively preventing dust ingress.
  • SKF heavy-duty bearings ensure continuous, trouble-free operation over extended periods.
Air-end
Air-end

The Baosi air-end used in screw air compressors is known for its high efficiency, durability, and stable performance. Designed with optimized rotor profiles and precision machining technology, it ensures efficient air compression while minimizing internal leakage and energy loss.

The air-end delivers stable airflow and pressure, supporting continuous and reliable operation in demanding industrial environments. Its robust structure and high-quality materials contribute to low vibration, low noise levels, and long service life.

With its efficient compression performance and reliable operation, the Baosi air-end helps improve overall compressor efficiency, reduce energy consumption, and ensure consistent compressed air supply for various industrial applications.

Refrigerated Air Dryer
Air Dryer and Precision Filter Set

The refrigerated air dryer and precision filter system integrated with the 4-in-1 screw air compressor ensures a stable supply of clean and dry compressed air. The refrigerated air dryer effectively removes moisture from compressed air by cooling it to a low dew point, preventing condensation and protecting downstream equipment.

The precision filter group further purifies the air by removing oil mist, dust particles, and other impurities. With multi-stage filtration, it significantly improves air quality and helps extend the service life of pneumatic tools and machinery.

This combination ensures reliable air treatment, stable system performance, and higher operational efficiency, making it suitable for various industrial applications that require clean and dry compressed air.

Frequently Asked Questions
QWhat brands of inverters are used in your screw air compressors?
We typically use inverters from Megmeet, Inovance, and Zoncn — all internationally renowned brands known for stable quality, reliable performance, and dependable after-sales service.
QHow many protection functions does the controller support?
The controller supports 14 protection functions, including overload protection, short circuit protection, reverse protection, low temperature protection, and high voltage protection, ensuring comprehensive safety for the entire unit.
QWhat type of motor is used, and what are its key specifications?
The main motor is an IP23 high-efficiency energy-saving permanent magnet motor with F-class insulation and B-class temperature rise. It meets national energy efficiency standards and uses SKF heavy-duty bearings for long-term, trouble-free operation. Other IP levels are also available upon request.
QWhat are the advantages of the Baosi air-end used in your compressors?
The Baosi air-end features optimized rotor profiles and precision machining technology, delivering high efficiency, low internal leakage, low vibration, and low noise. It ensures stable airflow and pressure output, long service life, and reduced energy consumption in demanding industrial environments.
QDoes the 4-in-1 screw air compressor include an air dryer and filtration system?
Yes. The 4-in-1 screw air compressor integrates a refrigerated air dryer and a precision filter group. The dryer removes moisture by cooling the air to a low dew point, while the multi-stage precision filters remove oil mist, dust, and other impurities — ensuring a stable supply of clean, dry compressed air.
QCan the air compressor be monitored and controlled remotely?
Yes. The PLC-based controller supports computer remote monitoring and multiple linkage control between air compressors. It also features a large memory and a printer interface for data recording and management.

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