Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor

🔧 Technical Data Summary

• Displacement (1450rpm, 50Hz): 42.30 / 27.00 m³/h

• Displacement (1750rpm, 60Hz): 51.05 / 32.59 m³/h

• Cylinders × Bore (LP/HP) × Stroke: 4 × 75 / 60 mm × 55 mm

• Weight: 180 kg

• Max Pressure (LP / MP / HP): 19 / 19 / 28 bar

• Suction Line Connection: 35 mm – 1 3/8”

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

• Max Operating Current: 24.0 A

• Starting Current (Rotor Locked): 69.0 A (Y) / 113.0 A (YY)

• Max Power Input: 13.8 kW

• Cooling Capacity (R404A, t₀ = -35°C, t𝑐 = 40°C): 13.68 kW

• Power Input: 9.37 kW

• COP (Efficiency): 1.46

• Condenser Capacity: 23.1 kW

• Oil Charge: 4.50 L

🛢️ Oil Compatibility

• R404A / R507A / R448A / R449A / R454C → BSE32 (Standard)

• R22 → B5.2 (Option)

✅ Why Choose the Bitzer S4G-12.2Y?

• High-capacity compressor tailored for ultra-low temp refrigeration

• Enhanced energy efficiency and cooling output

• Equipped with standard protections and factory-installed accessories

• Trusted German quality for long-term industrial reliability

• Ideal for systems requiring consistent performance at -35°C evaporating temperatures

📦 Standard Features

• SE-B2 motor protection

• IP54 enclosure class (IP66 optional)

• Liquid injection TX valve

• Oil sight glass, filter drier, and solenoid valve

• Vibration dampers included

• Optional: Oil heater, Delta P II monitoring, discharge temp sensor, subcooler

🚚 Shipping & Availability

• ✅ Available in stock – 380–420V / 50Hz

• ⚙️ Custom 60Hz or special voltage builds available in 3–4 weeks

• 📦 Export-grade packaging ensures safe worldwide transport

• 🌍 Delivery options include air freight, sea shipping, and express courier

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