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Continuous Duty Engineering for Cold Storage Applications
Designed specifically to meet the rigorous demands of food preservation, cold storage logistics, and industrial cooling, this cold room screw compressor operates with exceptional uptime reliability. Its rugged semi-hermetic construction safeguards internal components against thermal shock and pressure fluctuations during intensive chilling cycles.
Simplified Non-Economizer Configuration for Lower Capital Cost
The variant eliminates the complexity of external economizer piping while maintaining a full 174 CFM volumetric displacement. This streamlined non-economizer design reduces initial equipment expenditure, simplifies mechanical installation, and minimizes potential leak points in standard cold storage setups.
Grid-Adaptive Power Flexibility & Soft-Start Capability
Engineered for global power infrastructure, this 50 HP unit operates seamlessly across 50Hz and 60Hz supply grids. Compatible with Star-Delta (Y-Δ) soft-start wiring, it reduces inrush starting current to protect site electrical networks from power surges during frequent system starts.
Internal Acoustic Control & Vibration Mitigation
To ensure quiet operation in facility machine rooms, the compressor incorporates an integrated discharge gas muffler and precision-balanced screw rotors. Built-in internal check valves eliminate reverse rotor rotation upon shutdown, reducing mechanical wear and acoustic noise.
Extended Component Life & Comprehensive Oil Management
Equipped with heavy-duty SKF/NSK bearings, an internal oil filter, and a high-efficiency suction strainer, the mechanical assembly is protected against debris and lubrication breakdown. Embedded NTC thermistors deliver real-time thermal protection across motor windings to prevent overheating.
Optional Accessories:
Oil system components (including oil pump, etc.)
Oil separator
Unloading device
Economizer
Stop valves
Suction flange
Mounting bolts
Product Images
Technical Specifications
Parameter
Value
Model
06NW2174S7NA-A00
Displacement (60/50Hz)
174CFM 241m³/s
Economizer (Y/N)
N
Horse Power (HP)
50HP
Rated Voltage (V-Hz, A)
400V-60Hz-76.4A 400V-50Hz-74.8A
Weight (KG)
365KG
Company Profile
As a trusted partner in global commercial and industrial cooling solutions, Ruifujie specializes in supplying dependable compressor technology for cold storage infrastructure, agricultural processing, and HVAC engineering projects. We maintain a full inventory of replacement hardware, semi-hermetic units, and system accessories backed by strict factory testing and international compliance standards. Serving engineering contractors, cold chain operators, and equipment wholesalers across Europe, North America, the Middle East, and Asia, Ruifujie focuses on streamlined supply logistics, customized OEM support, and dedicated technical assistance for every project.
Packaging and Shipping
Frequently Asked Questions
Q1: Why choose the non-economizer version for cold room installation?
A1: The non-economizer model simplifies system piping and controls, offering a lower upfront cost and easier maintenance routine for standard medium-temperature cold rooms where additional subcooling is not required.
Q2: How does the Star-Delta starter feature benefit industrial facility power grids?
A2: By stepping up voltage during startup, Star-Delta starting significantly reduces peak inrush current, preventing electrical tripping and voltage drops on site power lines.
Q3: What routine maintenance ensures long operational life for this cold room compressor?
A3: Regular inspection of the internal oil filter, routine oil acidity testing, periodic cleaning of the suction strainer, and monitoring motor winding resistance via the integrated NTC sensors ensure continuous, trouble-free operation.
Q4: Can this compressor be integrated into multi-compressor rack systems?
A4: Yes, the standard 2-5/8 in suction and 4-1/8 in discharge port sizes, along with its compact 365 kg frame, make it suitable for parallel rack integration in large cold storage facilities.
Q5: How is the unit sealed and protected against contamination during international shipment?
A5: Each unit undergoes factory pressure testing, is charged with a dry holding gas, and is sealed inside export-grade wooden crating to prevent moisture ingress and mechanical damage during sea or air transit.
Get a Custom Quote for Your Cold Room Project
Ruifujie provides direct factory pricing and technical support for cold storage refrigeration systems. Contact our engineering team today to receive a complete quotation and spec verification within 8 hours.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Total Annual:
44000000-60000000
Employee Number:
110~115
Ecer Certification：
Verified Supplier
Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb... Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb...
