06NA2174S7NA-A00 85HP Air Cooled Refrigeration Screw Compressor

Engineered with a high-efficiency patented rotor profile, this refrigeration screw compressor optimizes gas displacement and minimizes internal clearance leakage. The built-in speed-increasing gear raises rotor velocity, achieving a reliable displacement of 174 CFM for air-cooled and water-cooled chiller systems.

Equipped with dual solenoid valves, this heavy-duty refrigeration screw compressor supports three-step unloading at 100%, 66%, and 33% load capacities. This flexible regulation enables precise output management under variable thermal loads, significantly reducing energy consumption during partial load operations.

Built with high-precision SKF or NSK rolling bearings and reinforced thrust bearings, the mechanical drive easily handles continuous axial loads. An internal check valve prevents shutdown rotor reversal, while an integrated safety valve, oil filter, and suction strainer guard the refrigeration screw compressor against impurities and pressure surges.

The 85 HP motor is designed for global voltage adaptability, supporting both Star-Delta (Y-Δ) conversion and Direct-On-Line (DOL) startup modes. Embedded NTC thermistor sensors continuously monitor winding temperatures to ensure electrical stability and direct thermal protection under demanding working conditions.

Optimized for eco-friendly R134a refrigerant, the unit operates efficiently in commercial HVAC and industrial refrigeration setups. Every unit undergoes 100% factory run testing and a 33-point process inspection to guarantee strict quality compliance, low vibration, and quiet operation.

• Oil system components (including oil pump, etc.)
• Oil separator
• Unloading device
• Economizer
• Stop valves
• Suction flange
• Mounting bolts

Ruifujie is a modern, large-scale refrigeration equipment company with over 20 years of experience in the global HVAC and commercial cooling industry. We supply a full spectrum of refrigeration machinery, including scroll, reciprocating, rotary, semi-hermetic, and screw compressors, alongside cold storage units, quick-freezing equipment, and ice-making machines. Supported by comprehensive OEM/ODM customization capabilities and technical execution, Ruifujie exports high-quality refrigeration hardware to engineering contractors and B2B buyers across the United States, United Kingdom, United Arab Emirates, Saudi Arabia, Russia, and global markets.

A1: This model features an 85 HP motor with a displacement of 174 CFM, operates on eco-friendly R134a refrigerant, and is engineered specifically for air-cooled and water-cooled chiller applications.

A2: The capacity control system utilizes dual solenoid valves to regulate the compressor output in three steps (100%, 66%, and 33%), enabling accurate thermal load matching and optimized power usage.

A3: No, this specific model is configured without an active factory economizer, though it retains standard interface dimensions and high volumetric performance.

A4: In-stock samples and standard single units ship within 3 business days, while complete bulk production orders are dispatched within 10 to 15 business days.

A5: We provide FOB Shenzhen and EXW terms with USD settlement via T/T or Western Union. Equipment is securely packed in export-grade wooden cases (shipped with refrigerant for sea freight and without refrigerant for air freight).