Dorin H Series H 551 CS Semi-Hermetic Compressor

For low-temperature refrigeration systems and industrial refrigeration applications, the Dorin H Series H 551 CS Semi-Hermetic Compressor offers a reliable, long-lasting solution with 27.33 m3/h displacement and Italian manufacturing quality. Its two-cylinder reciprocating body delivers ideal performance for cold rooms, retail-type coolers and supermarket display systems.

High Efficiency and Quiet Operation at Low Temperatures

Compatible with R404A and R507 refrigerants, the H 551 CS easily meets deep-freezing and low-temperature requirements thanks to its wide -5 / -45°C operating range. The finned cylinder head and cast body design improve heat dissipation, reducing vibration and operating temperature; this extends the life of the motor winding and keeps the system running stably.

Key Technical Specifications

The main technical values of this semi-hermetic compressor are listed below:

• Model: H 551 CS
• Displacement: 27.33 m3/h
• Compatible Refrigerants: R404A / R507
• Operating Range: -5 / -45°C
• Maximum Operating Current (380-420V / 3 / 50Hz): 14.5 A
• Locked Rotor Current (380-420V / 3 / 50Hz): 63.1 A
• Suction Connection: 28 mm
• Discharge Connection: 22 mm
• Oil Capacity: 2 Liters
• Origin: Italy