FUSHENG BSR 421 Screw Compressor

⚙️ Technical Specifications:

• Model: BSR 421

• Displacement:

  • 50Hz: 590 m³/h

  • 60Hz: 708 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

🔩 Mechanical Details:

• Suction Port Size: 5-1/8 inch (130.2 mm)

• Discharge Port Size: 3-1/8 inch (79.4 mm)

• Hydraulic Test Pressure: 42 kg/cm²G

• Oil Heater: 200 W

• Oil Charge: 26 Liters

• Net Weight: 961 kg

✅ Key Benefits:

• Massive displacement for high-load refrigeration systems

• Built for long-term operation under tough industrial conditions

• Smart motor protection and flexible capacity control

• Trusted performance in large-scale cold chain logistics

🧊 Applications:

• Blast freezing tunnels and quick-freeze systems

• Seafood and poultry processing plants

• Cold storage hubs and food export warehouses

• Large-scale beverage and dairy factories

• Multi-zone refrigeration systems

• Industrial freezer rooms and flake ice production

🚚 Shipping & Availability:

• 50 Hz version: In stock for immediate delivery

• 60 Hz version: Custom-built – production lead time: 3–4 weeks

• Ships from FUSHENG factory in China

• Secure wooden crate included for global transport

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