The Dorin H503CS is a high-capacity semi-hermetic reciprocating compressor designed for positive temperature (medium-temperature) refrigeration systems. It is suitable for use in large commercial cold rooms, food storage warehouses, and centralized refrigeration installations.
General Description
Engineered for reliable performance, the H503CS combines high displacement with energy efficiency and a service-friendly design. As part of Dorin’s proven H series, it ensures stable operation, reduced maintenance needs, and long-term durability in demanding environments.
Key Specifications
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Compressor Type: Semi-hermetic, reciprocating
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Application: Positive temperature (medium-temp) refrigeration
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Cooling Capacity: Approx. 15–18 HP (depending on refrigerant and conditions)
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Displacement: Approx. 50.3 m³/h
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Voltage: 380–420V / 3Ph / 50Hz
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Refrigerants: R-134a, R-404A, R-407C, R-513A, and similar
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Oil Type: POE (polyolester)
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Motor Protection: Integrated thermal overload protection
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Usage: Ideal for large-scale commercial refrigeration and distribution systems
Conclusion
The Dorin H503CS offers a perfect combination of high performance, reliability, and efficiency, making it a trusted choice for large medium-temperature refrigeration applications.
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