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As our core export models for global food freezing scenarios, our Bitzer screw compressor units are built exclusively with genuine Bitzer HSN series semi-hermetic screw compressors, featuring a wide displacement range of 84-1015 m³/h @50Hz and strong refrigerant compatibility with R404A, R507A and other common low-temperature refrigerants. We provide end-to-end customized integrated solutions for industrial food processing operators, cold chain engineering contractors, refrigeration equipment distributors and project integrators, with full compliance to local market regulations and production process requirements.
Unit Model | Condensing Method | Matched Freezing Equipment | Core Configuration | Rated Cooling Capacity | Target Application & Region | Core Technical Benefits |
HSN7451-60 Bitzer Compressor Unit | Air-Cooled Condensation | Tunnel Freezer | Bitzer HSN semi-hermetic screw compressor; high-efficiency air-cooled system; compact structure | 46.2kW @50Hz, 54.5kW @60Hz | Frozen Fish Processing, Argentina | Outdoor-friendly air-cooled design; no extra cooling water required; optimized for aquatic product rapid freezing |
HSN7471-75 Bitzer Compressor Unit | Evaporative Condensation | Impingement Freezer | Bitzer 75HP high-efficiency screw compressor; energy-saving evaporative condensing system | 56.7kW @50Hz, 66.7kW @60Hz | Cake Impingement Freezing, Mexico | Low condensing temperature locks product flavor and texture; water-saving structure adapted to local water resource conditions |
HSN8561-110 Bitzer Compressor Unit | Evaporative Condensation | Tunnel Freezer | Large-displacement screw compressor; high heat dissipation design; low noise operation | 75.7kW @50Hz, 89kW @60Hz | Fried Banana Freezing, Colombia | Corrosion-resistant structure for high-humidity environments; precise temperature control ensures consistent product quality |
HSN8571-125P Bitzer Compressor Unit | Evaporative Condensation (Integrated Screw+Barrel Pump) | Spiral Freezer | Integrated screw compressor & barrel pump; stepless capacity adjustment | 93kW @50Hz, 108kW @60Hz | Pet Food Freezing, Mexico | Supports 24/7 continuous production with spiral freezers; simplified on-site installation; meets global pet food hygiene standards |
HSN8591-160P Bitzer Compressor Unit | Evaporative Condensation | Spiral Freezer | High-power Bitzer screw compressor; optimized oil balance system; long-term continuous operation capability | 115kW @50Hz, 135kW @60Hz | Hamburger Patties Freezing, Mexico | Rapid ultra-low temperature freezing preserves product juiciness; low operating energy consumption; ideal for large-scale food processing lines |
Bitzer Multi-Screw Parallel Units | Custom Condensing (Evaporative/Air-Cooled) | Spiral / Tunnel Freezer | Multi-unit parallel design; redundancy backup; stepped capacity control | 90-572kW @50Hz, 108-686kW @60Hz | Poultry, Aquatic Products Processing, Multiple Countries (Americas Included) | Fully customizable solutions; superior partial-load efficiency; compliant with international electrical and safety standards |
All our units are designed and manufactured in strict accordance with European standards, with customizable configurations to meet the electrical, safety and food hygiene regulations of different countries and regions. This compliant design eliminates market access barriers for our industrial clients, ensuring smooth local installation, acceptance and long-term operation without regulatory risks.
Our units are equipped with original Bitzer high-efficiency screw compressors, paired with optimized condensing systems to achieve industry-leading energy efficiency ratios. The stepless or stepped capacity adjustment function precisely matches the actual cooling demand of the production line, significantly reducing long-term electricity expenses for food processing plants and improving the profit margin of frozen products.
Engineered for 24/7 continuous operation in harsh low-temperature and high-humidity food processing environments, our units feature an optimized oil circulation system, corrosion-resistant structure and high-reliability core components. This stable performance minimizes unplanned downtime, avoids raw material scrap losses caused by refrigeration system failures, and ensures uninterrupted production for large-scale food processing lines.
We provide 100% tailored solutions based on your production process, matched freezing equipment, local climate conditions, voltage standards and product freezing requirements. Whether you need a stand-alone unit for a small processing line or a large parallel system for a full-scale freezing plant, our engineering team will design a solution that perfectly fits your operational needs, reducing on-site installation and commissioning costs.
Our Bitzer compressor units are fully compatible with all mainstream industrial freezing equipment, and support a wide range of frozen food applications including aquatic products, meat and poultry, baked goods, prepared foods, fruits and vegetables, and pet food. This wide compatibility makes our units a universal refrigeration solution for diversified food processing operations.
A large aquatic product processing plant in Argentina faced the challenge of limited cooling water resources and harsh outdoor working conditions. We provided an air-cooled HSN7451-60 Bitzer compressor unit, which eliminated the need for a complex cooling water system, adapted to the local outdoor climate, and achieved stable -40℃ low-temperature freezing for their frozen fish production line. The unit has been running continuously for over 3 years with zero major failures, reducing the client’s operating costs by 18% compared to their previous equipment.
A well-known baked goods manufacturer in Mexico needed a refrigeration solution that could achieve rapid freezing while preserving the flavor and texture of their cake products. Our HSN7471-75 unit with evaporative condensation system delivers a low and stable condensing temperature, enabling ultra-fast impingement freezing without damaging the product structure. The water-saving design also perfectly adapts to the local water resource constraints, and has become the standard configuration for the client’s 3 production lines.
For large-scale poultry and meat processing plants across the Americas, we provided customized multi-screw parallel Bitzer compressor units with cooling capacity ranging from 90kW to 572kW @50Hz. The parallel design with redundancy backup ensures uninterrupted production even during maintenance, and the stepped capacity control delivers excellent energy efficiency under partial load conditions. All units are fully compliant with local electrical and safety standards, and have been installed in over 20 large food processing plants in the region.
The optimal Bitzer compressor unit depends on your specific application, including your target freezing temperature, production line capacity, matched freezing equipment, local climate and voltage standards. Our HSN series single-screw units are ideal for small to medium production lines, while our multi-screw parallel units are designed for large-scale continuous freezing operations. Our engineering team can provide a tailored recommendation based on your detailed production requirements.
Our Bitzer screw compressor units are specially optimized for low-temperature food freezing scenarios, supporting an evaporation temperature range from -45℃ to -15℃, which fully covers the rapid freezing, deep freezing and cold storage requirements of all types of frozen food products.
Yes. All our units are designed and manufactured in strict accordance with European standards, and we can customize configurations to meet the electrical, safety and food hygiene regulations of different countries and regions, including UL, CE and other mainstream international certifications.
Whether you are building a new food freezing production line, upgrading your existing refrigeration system, or sourcing reliable refrigeration equipment for your distribution business, FST Cold Chain can provide you with a fully customized, compliant and energy-efficient Bitzer compressor unit solution. Our team offers end-to-end support from technical consultation and scheme design to production, installation and after-sales service, ensuring stable and efficient operation of your freezing system for the long term.
Contact our technical team today to get a free tailored solution and detailed quotation for your food freezing application.
