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Shenzhen Coolstart Refrigeration Equipment Co., Ltd

  • China,Shenzhen ,Guangdong
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China 75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High
China 75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High

  1. China 75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High
  2. China 75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High
  3. China 75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High
  4. China 75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High

75HP Semi Hermetic Screw Refrigeration Compressor 06NA2146S7NA-A00 High

  1. MOQ: 1
  2. Price: Discussed
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Horse Power 75HP
Payment Terms T/T,Western Union
Delivery Time 1 Month
Application HVAC,Cold Room
Packaging Details Wooden Case
Supply Ability 100PC
Refrigerant R134a
Condenser type Air Cooled
Compressor Type Screw
Model Number 06NA2146S7NA-A00
Certification CE
Place of Origin China
Brand Name Carlyle

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  1. Product Details
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Product Specification

Horse Power 75HP Payment Terms T/T,Western Union
Delivery Time 1 Month Application HVAC,Cold Room
Packaging Details Wooden Case Supply Ability 100PC
Refrigerant R134a Condenser type Air Cooled
Compressor Type Screw Model Number 06NA2146S7NA-A00
Certification CE Place of Origin China
Brand Name Carlyle
High Light 75HP Semi Hermetic Screw Compressor06NA2146S7NA-A00 Semi Hermetic Screw Compressor75HP R134a Semi Hermetic Compressor
06NA2146S7NA-A00 75HP Semi-Hermetic Screw Refrigeration Compressor
Product Overview
Optimized Twin-Screw Profile for High-Efficiency Chilling

Engineered specifically for commercial air-cooled liquid chillers and industrial process cooling systems, the 06NA2146S7NA-A00 semi-hermetic screw compressor utilizes Carlyle's patented rotor geometry paired with an internal speed-multiplying gear drive. Optimized for environmentally friendly R134a refrigerant, its application-tailored built-in volume ratio (Vi) ensures high volumetric efficiency, lower discharge temperatures, and smooth mass flow across variable industrial operating envelopes.

Flexible Load Matching & Integrated Internal Protections

To align electrical power consumption directly with fluctuating system cooling loads, the compressor incorporates a 3-step capacity control mechanism operated via simple dual solenoid valves. Internal mechanical reliability is safeguarded by a built-in reverse-rotation check valve that eliminates rotor backspin during shutdowns, an internal oil filter, and a built-in discharge muffler that significantly dampens gas pulsation noise.

Heavy-Duty Mechanical Design & Grid-Friendly Starting

Constructed with a heavy-duty cast casing, the 06NA2146S7NA-A00 is fitted with premium SKF/NSK rolling thrust bearings designed for long service life under high pressure differentials. The high-efficiency motor supports flexible Star-Delta starting to reduce electrical grid voltage sags upon motor activation, while embedded thermal winding sensors provide continuous over-temperature protection during peak summer operating conditions.

Product Image
75HP Semi-Hermetic Screw Refrigeration Compressor unit showing industrial design and construction
Technical Specifications
Parameter Specification
Model 06NA2146S7NA-A00
Nominal Power 75HP
Displacement (60/50Hz) 146CFM / 203m³/s
Refrigerant Type R134a
Rated Current 91.9/90.1A
Voltage 460V/60Hz / 400V/50Hz
Weight 380KG
Technical diagram of screw compressor components and specifications
Manufacturer Profile

Ruifujie is a specialized B2B manufacturer and exporter of commercial and industrial refrigeration equipment with over two decades of international trade experience. Our comprehensive product portfolio includes semi-hermetic screw compressors, reciprocating units, scroll compressors, water-chiller components, and custom-built multi-compressor rack systems. Partnering with mechanical contractors, HVAC engineers, and system builders across Europe, the Americas, and the Middle East, Ruifujie offers direct factory pricing, strict quality control standards, and responsive OEM/ODM technical support.

Ruifujie manufacturing facility and production line
Frequently Asked Questions
How does the 3-step capacity control system enhance chiller efficiency?
It modulates compressor output between full and partial load states (100%, 66%, 33%), maintaining target fluid temperatures while significantly lowering energy consumption during partial-load conditions.
What function does the internal check valve perform during compressor shutdown?
It prevents high-pressure gas in the discharge line from expanding backward into the suction chamber, stopping reverse rotor rotation and preventing gear and bearing wear.
Can the 06NA2146S7NA-A00 compressor be configured with an economizer circuit?
Yes, it features a dedicated 1-3/8" connection port for economizer integration, allowing system builders to subcool liquid refrigerant and increase net chilling capacity.
What starting methods are recommended to minimize inrush current on job sites?
Star-Delta (Y-Δ) starting is recommended, as it lowers locked rotor starting current significantly compared to direct across-the-line starting.
How does Ruifujie ensure safe international shipping for heavy 380 kg screw compressors?
Units are mounted on heavy wooden skids, sealed in vapor-barrier packaging, and fully enclosed in export-grade plywood crates designed for ocean and air transport.
Global B2B Procurement Support
Upgrade your liquid chiller production lines or replacement projects with Ruifujie's factory-direct screw compressors.

Contact our B2B technical team with your project details—including cooling tonnage, supply voltage, working refrigerant, and application temperatures—to receive a detailed engineering quote within 8 hours.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company

  • Year Established:

    2001

  • Total Annual:

    50000000-10000000

  • Employee Number:

    80~100

  • Ecer Certification:

    Verified Supplier

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  • Shenzhen Coolstart Refrigeration Equipment Co., Ltd
  • Room 1801, Building 1, Kangli city, No. 66 Pingji Road, Longgang District, Shenzhen, Guangdong,China
  • https://www.refrigerationcoolingunit.com/

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