single stage twin screw air compressor which is fixed speed

Single-stage twin-screw air compressor is a kind of high-efficiency and stable compressed air equipment, adopting the structure of twin-screw rotor to realize continuous compression, which is widely used in many industries, such as industrial manufacturing, energy, chemical industry and so on.

Description

This single stage twin screw air compressor adopts an industrial frequency drive for stable and reliable operation, making it ideal for long-term, continuous use. Its advanced twin-screw design provides high efficiency, energy savings, and low noise, meeting the demanding requirements of modern industrial environments.

Main Parameters

  • Flow rate range: 0.9 to 41.2 m³/min
  • Pressure range: 0.7 to 1.2 MPa (higher pressure customizable)
  • Power range: 5.5 to 315 kW
  • Driving mode: Industrial frequency drive (constant speed)
  • Cooling method: Air-cooled or water-cooled (optional)

Features of Single Stage Twin Screw Air Compressor

  1. High efficiency and energy saving:
    Advanced twin-screw rotor design optimizes gas flow and volumetric efficiency, saving 10–30% more energy versus traditional piston compressors. Oil and gas separation system ensures exhaust oil content ≤3ppm for cleaner compressed air.
  2. Stable, durable, and easy maintenance:
    Precision-machined screw rotors with over 100,000 hours lifespan, high-quality bearings, and modular oil distribution system minimize friction, reduce maintenance costs, and simplify servicing.
  3. Smooth, low-noise operation:
    High-precision rotors and helical gear transmission reduce vibration and noise, with advanced noise control keeping levels between 65–78dB(A). Ideal for factories, labs, and quiet environments.

Working Principle

  1. Air inlet stage: Air enters the compression chamber and is drawn into the helical rotor grooves, occupying a large volume at low pressure.
  2. Compression stage: As the male and female screws rotate, air is trapped and compressed as it moves toward the exhaust end, increasing pressure.
  3. Oil lubrication and cooling: Lubricating oil is sprayed into the chamber to seal, cool, and lubricate, reducing wear and improving efficiency.
  4. Exhaust and oil-air separation: Compressed air exits through the exhaust, then passes through the oil-air separator to ensure low oil content; oil is recovered for reuse.

Application Areas

  • Manufacturing: Pneumatic tools, spraying equipment, automated production lines.
  • Electronics: High purity compressed air for SMT and semiconductor manufacturing.
  • Food processing: Oil-free or low-oil air for packaging, filling, and fermentation.
  • Chemical industry: Gas transportation, reactor pressurization, and harsh environments.
  • Textile industry: Drives textile machinery, keeps yarn dry, improves quality.
  • Automotive industry: Spraying, tire inflation, pneumatic workshop control.