Bitzer 4FES-3Y Semi-Hermetic Reciprocating Compressor

🔧 Technical Data Summary

• Displacement (1450rpm, 50Hz): 18.05 m³/h
• Displacement (1750rpm, 60Hz): 21.78 m³/h
• Number of Cylinders × Bore × Stroke: 4 × 41 mm × 39.3 mm
• Weight: 90 kg
• Maximum Pressure (Low Pressure/High Pressure): 19 bar / 32 bar
• Suction Line Connection: 22 mm – 7/8”
• Discharge Line Connection: 16 mm – 5/8”
• Max. Operating Current: 9.5 A
• Starting Current (Rotor Locked): 44.2 A
• Max. Power Input: 5.3 kW
• Horsepower: 4 HP  
• Oil Type:

• R134a/R407C/R404A/R507A/R407A/R407F → BSE32 (Standard)
• R134a (condensing temp >70°C) → BSE55 (Option)
• R22 (R12/R502) → B5.2 (Option)
• R1234yf → BSE32 (Standard) / BSE55 (Option if >70°C)
• R1234ze → BSE55 (Standard) / BSE85K (Option if needed)
• R454C/R455A → BSE32 (Standard)
• R515B → BSE55 (Standard) / BSE85K (Option)

• Application: Medium- and low-temperature cold rooms, refrigeration cabinets, and air-cooled condensing units.

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🔵 Why Choose This Compressor:

• Renowned Bitzer reliability and superior performance
• Compact and efficient design for easy installation
• Low operational noise and minimal vibration
• Easy servicing with accessible components
• Fully compatible with eco-friendly refrigerants
• Ideal for supermarkets, food storage facilities, and industrial refrigeration systems

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📦 Need a Condensing Unit or Other Bitzer Models?

We offer a full range of Bitzer compressors, condensing units, and spare parts at competitive prices with international shipping.

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🚚🌍 Shipping:

We ship worldwide!

• Standard models (380V / 50Hz) are ready for immediate dispatch.
• For other voltage or custom motor options (such as 60Hz), production requires an additional 3–4 weeks.

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📑 For More Technical Data:

For complete 🔧 technical specifications (cooling capacity tables, electrical data, accessories),