Bitzer 4CES-9Y Semi-Hermetic Reciprocating Compressor

🔧 Technical Data Summary

• Displacement (1450rpm, 50Hz): 32.48 m³/h
• Displacement (1750rpm, 60Hz): 39.20 m³/h
• Number of Cylinders × Bore × Stroke: 4 × 55 mm × 39.3 mm
• Weight: 99 kg
• Maximum Pressure (Low Pressure/High Pressure): 19 bar / 32 bar
• Suction Line Connection: 28 mm – 1 1/8”
• Discharge Line Connection: 22 mm – 7/8”
• Max. Operating Current: 20.2 A
• Starting Current (Rotor Locked): 82.4 A
• Max. Power Input: 11.3 kW
• Horsepower: 9 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)

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

🔵 Why Choose This Compressor:

• Exceptional Bitzer reliability for continuous heavy-duty operation
• High cooling capacity with excellent energy efficiency
• Compact and rugged design suitable for tight spaces
• Quiet operation with low vibration levels
• Fully compatible with eco-friendly refrigerants
• Ideal for supermarkets, food storage warehouses, logistics centers, and industrial refrigeration setups

📦 Need a Condensing Unit or Other Bitzer Models? 

We supply a complete range of Bitzer compressors, condensing units, and genuine spare parts at competitive prices with international shipping.

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🚚🌍 Shipping: 

We ship worldwide!

• Standard models (380V / 50Hz) are available for fast dispatch.
• For other voltages (such as 60Hz or custom motor versions), please allow 3–4 additional weeks for production.

📑 For More Technical Data:

For complete 🔧 technical specifications (cooling capacity tables, electrical data, mass flow rates, and accessories),

please download the full datasheet provided above.