Semi-Hermetic Twin Screw Refrigeration Compressor Manufacturers
Hanbi semi-hermetic twin screw refrigeration compressors are widely used for cold storage, food quick-freezing, industrial condensing units, process cooling and cold chain warehousing. Designed with 5:6 asymmetric rotor profile, each compressor undergoes dynamic balance and performance bench test. We support full customization on working condition, power supply, refrigerant and mechanical structure. All performance data are obtained from type test. Every unit is delivered with factory test record for engineering calculation.
Semi-Hermetic Compressor
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Key Technical Advantages with Measured Data
High-efficiency Rotor Profile
Adopt 5:6 asymmetric screw rotor. Volumetric efficiency 82%~88% under nominal condition. Compared with older-generation screw compressors, power consumption reduces by 8%~13% at identical working condition for lower operation cost.
01
Low Vibration & Noise
High-speed dynamic balance calibration. Measured sound level: 70~76 dB(A) at 1 meter. Optimized thrust bearing design reduces axial load by approx. 30% and extends service life.
02
Comprehensive Safety Protection
Built-in PT100 motor temperature sensor, high/low pressure, oil differential pressure, overload and discharge overheat protection. Real-time monitoring and auto-shutdown to prevent motor damage.
03
Wide Operating Envelope
Stable evaporation temperature range -40℃ ~ +10℃, maximum allowable condensing temperature up to 50℃, suitable for medium and low temperature refrigeration projects.
04
Global Power Compatibility
Standard: 380–420V, 3-phase, 50Hz. Custom 400V, 440V, 460V /60Hz available for Europe, Southeast Asia, Middle East, Africa and other overseas power grids.
05
Technical Specifications
Standard Model, Customizable. Nominal condition: Te -5℃, Tc 40℃, R507
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Item |
Specification |
|
Type |
Semi-Hermetic Twin Screw Refrigeration Compressor |
|
Cooling Capacity |
80kW ~ 650kW |
|
Compatible Refrigerants |
R507, R404A, R134a, R22; custom for low-GWP refrigerants R448A/R449A |
|
Cooling Method |
Air-cooled / Water-cooled (optional & customizable) |
|
Noise Level (1m distance) |
70 ~ 76 dB(A) |
|
Standard Power |
380–420V, 3P, 50Hz |
|
Protection |
PT100 motor overheat, high/low pressure, oil differential pressure, overload, discharge overheat interlock protection |
|
Material |
Wear-resistant alloy steel rotor; high-strength ductile iron housing |
|
Warranty |
12 months for main compressor, extended warranty negotiable |
- Custom cooling capacity, Vi volume ratio, suction & discharge port dimension and orientation
- Custom refrigerant matching, air / water cooling configuration
- Power & frequency customization (50Hz /60Hz) for global industrial power
- Custom sensors, control logic, RS485 communication protocol
- OEM private label, custom nameplate & coating
- Anti-corrosion treatment for coastal high-humidity and mild corrosive environments
Delivery Document: Each compressor comes with factory performance test report, vibration & noise measurement data and performance curve, available for tender document and engineering selection.
Application Fields
Medium & low temperature cold storage, food quick-freezing line, supermarket condensing unit, chemical process cooling, low-temperature test room, cold chain logistics, meat & aquatic product processing.
Zhejiang Xuanyuntong Refrigeration Technology Co., Ltd. is one of the most experienced semi-hermetic compressor manufacturers and suppliers in China. We warmly welcome you to wholesale high quality semi-hermetic compressor made in China here from our factory. Also, custom service is available.
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