Our rotary air compressor, the 75HP oil-cooled variable frequency model, delivers stable and efficient performance for industrial operations. It combines a variable frequency drive that adjusts power to actual air demand with an oil-cooling system that keeps key components at optimal temperatures. Moreover, its compact and durable design allows long-term continuous operation, and it can handle demanding conditions in factories, workshops, and other industrial environments.
Air Dryer Specifications
| Model No. | PT55+ | Power | 75HP/56KW |
| Voltage | 380V | Pressure range | 0.7~1.3Mpa |
| Warranty | 1 year | Air Flow | 8.0-12.0m3/min |
| Weight | 1440kg | Noised | 72dB |
| Dimension | 2000*1362*1700mm | Cooling Method | Oil-Cooled |
Product Features

Efficient Energy
The compressor intelligently adjusts motor output to match workload variations, which helps reduce energy consumption and operating costs. At the same time, it ensures smooth operation even under partial loads. In addition, this feature prolongs the motor and system lifespan, making the machine more reliable over time.
Reliable Cooling
The oil-cooling system maintains stable temperatures during extended operation, preventing overheating and minimizing wear on critical components. Furthermore, it helps maintain consistent performance even in high-demand conditions. As a result, the compressor requires less frequent maintenance and supports long-term durability.


Stable Airflow
With its precision-engineered screw elements, the compressor provides steady airflow and maintains stable pressure under varying loads. This ensures reliable performance during both peak and continuous operation. Additionally, it allows users to meet demanding production requirements without worrying about air supply interruptions.
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The 75HP oil-cooled variable frequency model is a rotary air compressor that combines energy efficiency, durability, and reliable air delivery. If you are interested in this air compressor or similar machines, please contact us, and we will provide you with the most suitable quotation and the most attentive service.
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