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Refcomp SP6H3700 SP6H370E 37HP High Temperature Semi-Hermetic Compressor
Product Features
Flexible Capacity Regulation Designed for demanding refrigeration systems, the SP6H3700 semi-hermetic compressor features a solenoid-controlled energy regulation system offering 100%, 66%, and 33% capacity steps. This multi-stage output matching allows the compressor to adapt smoothly to fluctuating cooling loads, reducing frequent motor cycling and lowering energy consumption under part-load operating conditions.
Optimized Motor & Cooling Architecture The custom-engineered motor allows this semi-hermetic compressor to operate seamlessly across different voltages and frequencies (400V/50Hz and 460V/60Hz PW). Built with internal flow channels that direct suction gas across the motor housing before entering the cylinders, the design maintains low operating motor temperatures, ensuring stable performance across multiple refrigerants including R22, R407C, R134a, R404A, and R507.
Heavy-Duty Bearings & Mechanical Assembly Equipped with precision-machined journal bearings and a balanced crankshaft, the semi-hermetic compressor minimizes mechanical friction and radial wear. The optimized piston and connecting rod linkage, paired with wear-resistant bushings, reduces gas pulsation and structural vibration, delivering smooth running characteristics and prolonged mechanical service life.
Integrated Suction Filtering & Safety Protection To safeguard internal components, this semi-hermetic compressor incorporates an outer-accessible high-density suction filter that removes gas-stream impurities while remaining easy to service or replace. An internal pressure safety valve balances high and low pressure sides during abnormal conditions, while the integrated INT6902 motor protection module guards against thermal overload and phase faults.
Applications
Commercial Chiller Systems Suitable for central commercial air conditioning and fluid chilling plants requiring multi-stage output control.
High-Temperature Cold Storage Ideal for fresh food storage, agricultural processing rooms, and temperature-sensitive distribution centers.
Industrial Process Cooling Designed for industrial chilling loops where continuous, low-vibration, and stable thermal regulation is required.
Supermarket Parallel Compressor Racks Well-suited for multi-compressor rack configurations subjected to wide load variations throughout daily operation.
Product Image
Technical Parameters
Model
SP6H3700/SP6H370E
Rated power
37HP/27.6KW
Exhaust volume(50/60Hz)
112.5/135 m³/hr
Standard motor
400V/3/50Hz,460V/3/60Hz PW
Cylinders
6
Weight
241KG
Oil Charge
4.2L
Starting current PW/DOL
178/290A
Max operating current
60A
Company Introduction
Coolstart is a modern, large-scale refrigeration enterprise with over 20 years of industry experience. We specialize in supplying semi-hermetic compressors, scroll compressors, screw compressors, reciprocating compressors, rotary compressors, cold storage equipment, quick-freezing systems, and ice-making machinery. Supporting full-category OEM and ODM customization, Coolstart delivers reliable refrigeration solutions to clients in the United States, Russia, the United Kingdom, the United Arab Emirates, Saudi Arabia, and other global markets through technical excellence and long-term commercial partnerships.
Frequently Asked Questions
Q1: How does the energy regulation system on the SP6H3700 assist in system load matching?
A1: The three-stage capacity regulation (100%, 66%, 33%) enables operators to balance compressor displacement directly with cooling requirements, avoiding abrupt suction pressure drops and minimizing electrical spikes associated with full-power cycling.
Q2: What precautions should be taken regarding suction and exhaust pipe connections during installation?
A2: Installers must match line sizes with the designated 54 mm (2-1/8") suction and 35 mm (1-3/8") exhaust connections. The 360° rotatable stop valves allow flexible piping routing, but proper line support should be verified to avoid stresses on the valve bodies.
Q3: What routine checks ensure long-term stability of the internal motor and mechanical parts?
A3: Routine maintenance should include checking the oil level through the sight glass, monitoring suction gas superheat, and inspecting the outer suction filter screen during scheduled system overhauls to ensure no foreign debris bypasses into the cylinders.
Q4: What is the minimum order quantity and estimated production delivery time?
A4: We maintain 1 piece for in-stock sample orders. Standard production batch orders are typically fulfilled within 10 to 15 working days, while stock sample units can be prepared for dispatch in as fast as 3 days.
Q5: How are compressors packaged for overseas logistics?
A5: Compressors are packed in heavy-duty export wooden cases. Compressors shipped via sea freight include factory holding gas/refrigerant charges, whereas air freight shipments are cleared of pressure in accordance with international aviation safety regulations.
Request a Technical Quotation
Our technical team provides professional product matching and selection support for commercial and industrial refrigeration projects. Contact us with your project specifications to receive a complete solution and formal commercial proposal within 8 hours.
Please include the following details in your inquiry:
Model & Quantity
Refrigerant Type
Power Supply
Operating Conditions
Specific Application
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
Shenzhen Coolstart Refrigeration Equipment Co., Ltd. is a modern, professional refrigeration manufacturer with over 20 years of industry experience. We focus on the professional production and global sales of high-performance refrigeration equipment, serving as a reliable and cost-effective suppl...
Shenzhen Coolstart Refrigeration Equipment Co., Ltd. is a modern, professional refrigeration manufacturer with over 20 years of industry experience. We focus on the professional production and global sales of high-performance refrigeration equipment, serving as a reliable and cost-effective suppl...
