Bitzer 4G.2Y-K Open-Type Reciprocating Compressor

🔧 Technical Data Summary

• Model: 4G.2Y-K

• Refrigerant: R404A (also compatible with R134a, R507A, R407C, and R22)

• Evaporating Temp.: -10°C

• Condensing Temp.: 45°C

• Cooling Capacity: 43.4 kW

• Displacement:

  • 50Hz: 84.5 m³/h

  • 60Hz: 102.0 m³/h

• Shaft Power: 18.39 kW

• COP/EER: 2.36

• Cylinders: 4 × 75 mm bore × 55 mm stroke

• Weight: 129 kg

• Max Pressure: 19 bar (LP) / 25 bar (HP)

• Suction Line Connection: 42 mm – 1 5/8”

• Discharge Line Connection: 28 mm – 1 1/8”

• Oil Type: BSE32 / BSE55 (for R404A, R407C, R507A); B5.2 (for R22)

• Oil Charge: 4.7 L

✅ Key Features & Benefits

• Exceptional cooling capacity for industrial-grade refrigeration systems

• Robust construction for continuous, reliable operation in demanding conditions

• Compatible with a wide range of refrigerants for flexible applications

• Includes standard oil service valves, suction/discharge shut-off valves, and pressure relief valve

• Optional features for enhanced functionality:

  • Capacity control (100%–50%)

  • Water-cooled cylinder heads

  • Oil heater

  • Discharge gas temperature sensor

  • Oil pressure monitoring system

  • Marine application kit for offshore installations

⚙️ Motor & Coupling Recommendations

• Recommended Motor Power: 22.0 kW

• Motor Construction Size: 180L

• Coupling Model: KK620

• Coupling Housing: GK6490

📦 Applications

• 🏭 Large-scale cold storage facilities

• 🥩 Food processing plants

• 🛒 Central refrigeration systems in distribution hubs

• 🚢 Marine and offshore refrigeration installations

🚚 Shipping & Availability

✅ Standard 380–420V / 50Hz models available

⚙️ Custom 60Hz configurations available upon request (lead time: 3–4 weeks)

📦 Export-grade packaging for safe global shipment