Description
Product Overview
The Bitzer CSH7551-70Y-40P is a high-capacity semi-hermetic screw compressor from Bitzer’s premium CSH series. Engineered in Germany for demanding industrial refrigeration applications requiring maximum reliability, superior efficiency, and continuous 24/7 operation. The 70HP capacity makes it ideal for large central refrigeration systems and industrial cooling installations.
Key Features
- CSH Series Premium Screw Technology — Maximum efficiency and reliability
- 70HP High Capacity Output — Designed for large industrial systems
- Semi-hermetic Construction — Field serviceable, easy maintenance access
- Stepless Capacity Control 25%-100% — Precise temperature and energy management
- Integrated High-Efficiency Oil Separator — Up to 99% oil separation efficiency
- Multi-Refrigerant Compatible — R134a, R404A, R507, R407C
- Low Noise & Vibration Design — Smooth industrial operation
- Wide Operating Envelope — Medium and low temperature applications
- Continuous Duty Rated — 24/7 non-stop heavy-duty operation
- Electronic Control Ready — Bitzer IQ module compatible
- High COP Rating — Industry-leading energy efficiency
- Robust Industrial Build — Cast iron construction for longevity
Specifications
| Model | CSH7551-70Y-40P |
| Series | CSH Premium Screw Series |
| Type | Semi-hermetic Screw Compressor |
| Power | 70 HP / 52.2 kW |
| Voltage | 380V/3Ph/50Hz |
| Displacement | 75.0 m³/h |
| Cooling Capacity | 150-220 kW |
| Refrigerants | R134a, R404A, R507, R407C |
| Temperature Range | -40°C to +20°C |
| Capacity Control | 25% – 100% Stepless |
| Oil Type | Bitzer BSE 55 / BSE 170 |
| Oil Charge | 15.0 L |
| Weight | 550 kg |
| Dimensions (L×W×H) | 1150 × 680 × 850 mm |
| Suction Connection | 3-5/8″ ODF |
| Discharge Connection | 2-1/8″ ODF |
| Sound Level | ≤75 dB(A) |
Applications
- Large-scale industrial cold storage warehouses
- Food and beverage processing plants
- Central refrigeration plant rooms
- Industrial process cooling systems
- Pharmaceutical manufacturing cold storage
- Chemical and petrochemical cooling
- Large ice rink and ice making facilities
- Logistics and distribution cold chain centers
- Meat and poultry processing plants
- Dairy and dairy product facilities
- Marine and offshore refrigeration
- Power plant cooling systems
Why Choose AIWEI?
- ✅ 15+ years industrial refrigeration expertise
- ✅ Factory direct pricing — save 20-30% vs distributors
- ✅ 100% genuine Bitzer products with full warranty
- ✅ Professional technical engineering support
- ✅ Fast worldwide shipping to 50+ countries
- ✅ Complete installation documentation provided
- ✅ Bitzer IQ module configuration assistance
- ✅ OEM/customization solutions available
William Chen –
William Chen — Australia
“Outstanding industrial screw compressor! The Bitzer CSH7551-70Y-40P 70HP unit is perfect for our large-scale cold storage facility. The stepless capacity control has reduced our energy costs by 25%. Running 24/7 for 8 months without any problems. AIWEI’s factory-direct pricing saved us over $8,000 vs local suppliers. Excellent technical support and fast delivery!”
Robert Martinez –
Robert Martinez — United States
“The Bitzer CSH7551-70Y-40P is a premium industrial compressor. We installed 2 units in our meat processing plant central refrigeration system. Performance is exceptional — cooling capacity exactly as specified. The reliability is outstanding. AIWEI provided complete technical documentation and commissioning support. Highly recommended for industrial applications!”
Ahmad Razali –
Ahmad Razali — Malaysia
“Kompressor skru industri Bitzer CSH7551-70Y-40P sangat hebat! Kuasa 70HP sesuai untuk gudang sejuk berskala besar. Kawalan kapasiti tanpa langkah menjimatkan 25% tenaga elektrik. Beroperasi 24/7 tanpa masalah. Harga AIWEI jauh lebih murah dari pembekal tempatan. Sangat disyorkan!”