The Dorin H503CC is a heavy-duty semi-hermetic reciprocating compressor built for low-temperature (negative) refrigeration applications. It is particularly suitable for large-scale industrial systems such as cold storage warehouses, freezing tunnels, and food processing plants.

General Description
As part of Dorin’s high-displacement H series, the H503CC is engineered to deliver powerful cooling with high reliability. Its semi-hermetic design ensures ease of maintenance, long service life, and excellent performance even in the most demanding low-temperature conditions.

Key Specifications

• Compressor Type: Semi-hermetic, reciprocating

• Application: Low-temperature (negative) refrigeration

• Cooling Capacity: Approx. 22 to 30 HP (depending on refrigerant and conditions)

• Displacement: Approx. 50.3 m³/h

• Voltage: 380–420V / 3Ph / 50Hz

• Refrigerants: R-404A, R-507, R-452A, and other compatible refrigerants

• Oil Type: POE (polyolester)

• Motor Protection: Integrated thermal protection

• Configuration: Suitable for large industrial refrigeration plants

Conclusion
The Dorin H503CC offers robust and efficient performance, making it a reliable choice for critical low-temperature applications requiring strong, continuous cooling.