The BSR 321 is a powerful industrial-grade screw compressor from FUSHENG, built to handle large-scale cooling requirements with outstanding reliability. With high displacement and robust design, it’s ideal for continuous operation in demanding refrigeration environments.
Model: BSR 321
Displacement:
50Hz: 367 m³/h
60Hz: 440 m³/h
Speed: 2950 / 3550 rpm (50/60 Hz)
Capacity Control: Step control (25 / 50 / 75 / 100%) or linear control (25–100%)
Refrigerants Supported: R22, R134a, R407C, R404A, R507
Motor Type: 3-phase, 2-pole induction motor
Voltage Range:
50 Hz: 380–415V
60 Hz: 220 / 380 / 400 / 440 / 460 / 480V
Protection: Phase loss, phase sequence, and motor PTC/PT100 thermistor
Startup: Y-Δ (star-delta) or direct-on-line
Suction Port Size: 4-1/8 inch (104.8 mm)
Discharge Port Size: 2-5/8 inch (66.7 mm)
Hydraulic Test Pressure: 42 kg/cm²G
Oil Heater: 150 W
Oil Charge: 21 Liters
Net Weight: 791 kg
High-capacity performance for large cooling systems
Engineered for durability and non-stop industrial use
Broad refrigerant compatibility
Built-in motor protection and capacity control options
Large-scale cold storage warehouses
Meat and seafood processing facilities
Ice plants and industrial ice systems
Central refrigeration systems for logistics centers
Dairy, beverage, and pharmaceutical storage
Blast freezing tunnels and quick-freeze chambers
50 Hz version: Standard model, available for immediate shipment
60 Hz version: Custom-built – lead time approx. 3–4 weeks
Ships from FUSHENG factory in China
Export packaging included for international transport
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