The permanent magnet VSD screw air compressor is designed for industrial users who require energy-efficient, stable and flexible compressed air supply. By combining a high-efficiency permanent magnet motor with variable-speed control, the compressor automatically adjusts its output according to actual air demand, helping reduce unnecessary power consumption.

According to Ruihong product specifications, the intelligent variable-frequency system can achieve up to 30% energy savings compared with ordinary industrial air compressors, while the high-efficiency permanent magnet motor provides an additional 6–7% energy-saving advantage.

Key Features

• Permanent Magnet VSD Technology – Automatically adjusts motor speed according to actual air consumption.
• High Energy Efficiency – Helps reduce electricity consumption and long-term operating costs.
• Stable Pressure Supply – Maintains more consistent system pressure as air demand changes.
• High-Efficiency PM Motor – Permanent magnet synchronous motor provides efficient power transmission.
• Variable-Frequency Start – Smooth starting reduces impact on the electrical system.
• Compact Structure – Integrated design saves installation space and simplifies operation.
• Low Noise & Stable Operation – Designed for continuous industrial use.
• Wide Model Range – Suitable for small workshops as well as large centralized compressed air stations.

Wide Power and Pressure Range

The Ruihong permanent magnet VSD series covers motor powers from 7.5 kW to 315 kW, with multiple airflow and pressure configurations available.

Typical working pressures include:

0.8 MPa / 1.0 MPa / 1.2 MPa

Standard electrical configuration is 380V / 50Hz / 3 Phase, with customized voltage options available according to customer requirements.

Typical Applications

Suitable for:

• Machinery Manufacturing
• Metal Processing
• Automotive Industry
• Electronics
• Textile Production
• Packaging
• Food and Beverage
• Chemical Industry
• Building Materials
• General Manufacturing

For factories with fluctuating compressed air demand, the permanent magnet VSD screw air compressor provides an energy-efficient, stable and reliable compressed air solution for continuous production.