The Dorin AU4-H2900CS is a top-tier semi-hermetic reciprocating compressor engineered for positive temperature (medium to high-temperature) refrigeration systems. It is ideally suited for extensive industrial and commercial operations such as food storage facilities, cold distribution networks, and centralized refrigeration systems.

General Description
Combining high displacement with energy-efficient operation, the AU4-H2900CS is built for continuous-duty performance in demanding environments. Its semi-hermetic design ensures reliable long-term use and simplifies maintenance procedures.

Key Specifications

• Compressor Type: Semi-hermetic, reciprocating

• Application: Positive temperature (medium/high-temp) refrigeration

• Cooling Capacity: Approx. 270–300 HP (depending on refrigerant and system design)

• Displacement: Approx. 290.0 m³/h

• Voltage: 380–420V / 3Ph / 50Hz

• Refrigerants: R-134a, R-407C, R-513A, R-448A, R-449A, and similar refrigerants

• Oil Type: POE (polyolester)

• Motor Protection: Integrated thermal overload protection

• Usage: Ideal for large-scale refrigeration systems, industrial chilling plants, and food-grade cooling applications

Conclusion
The Dorin AU4-H2900CS stands out for its capacity, reliability, and efficiency, making it a leading choice for high-demand positive temperature refrigeration in large commercial and industrial settings.