DORIN semi-hermetic compressors are modern solutions designed with maximum efficiency and reliability in mind. Engineered to meet market demands and to operate with new refrigerants (HFC and HFO), they combine high performance with quiet and stable operation. The performance range of DORIN compressors extends from 4.42 to 244.78 m³/h, with nominal power from 0.5 to 90 HP.
DORIN stands for Italian precision and quality, confirmed by EN ISO 9001 certification. All compressors are 100% manufactured in Italy, ensuring the highest production standards. They feature low vibration levels, inverter compatibility, and a patented oil return system that minimizes losses and increases reliability.
The H290CS model is a compact semi-hermetic compressor with a capacity of 14.74 m³/h, designed for operation in demanding refrigeration systems. It combines high build quality with the ability to operate over a wide frequency range from 30 to 70 Hz, allowing flexible adaptation to various operating conditions.
The H281CS compressor is designed for operation at medium evaporation temperatures, making it a versatile solution for traditional refrigeration installations. Its design ensures high tightness and durability, while the optimized valve system guarantees stable operation under variable loads. This model is compatible with HFC and HFO refrigerants, and the option to add accessories allows easy customization for specific applications.
The cooling capacity table for the compressor is provided in the catalog datasheet available in the “Downloads” section.




