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Home > All Products > Bitzer 2 stage compressor > Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
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  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
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Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor

SKU:
$5,402.81 $5,457.38
-1%

Efficient. Reliable. Compact.

The Bitzer S4G-12.2Y is a powerful two-stage semi-hermetic reciprocating compressor designed for extreme low-temperature refrigeration. Engineered for performance at -35°C, it’s an ideal solution for blast freezers, deep freezer rooms, cold chain logistics, and food industry cooling applications that demand high reliability and durability.

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  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
1/1
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor
  • Bitzer S4G-12.2Y Two-Stage Semi-Hermetic Compressor,Freezing valley Refrigeration Equipment,Bitzer S4G-12.2Y compressor, S4G-12.2Y two-stage compressor, semi-hermetic Bitzer compressor, R404A industrial compressor, low-temperature freezer compressor, compressor for -35°C cold rooms, Bitzer blast freezer unit, food processing refrigeration compr

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  • Description

🔧 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

📥 Request the Full Datasheet

Get performance curves, wiring diagrams, and technical documentation.

Contact us now for full PDF and expert support.

📧 Email us | 📞 Call or WhatsApp

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