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Dynamic Capacity Control
The SP4HN1500(SP4HN150E) chiller reciprocating compressor incorporates two-stage energy regulation at 100% and 50% capacity steps. This dynamic output control enables liquid chiller packages to adjust cooling capacity in response to real-time thermal load fluctuations, optimizing power consumption during partial-load demand.
Multi-Refrigerant Compatibility & Motor Cooling
Engineered with a high-efficiency motor layout, the compression unit utilizes incoming cold suction gas to cool the motor windings prior to compression. This thermal management design allows stable performance across R22, R134a, R407C, and R404A systems without thermal breakdown.
Integrated Oil Strainer & Internal Relief Valve
Featuring an internal safety valve designed to release internal overpressure safely between high and low-pressure sides, the unit protects key dynamic parts. Additionally, an external suction filter traps system contaminants before they enter the compression chamber, ensuring long-term mechanical integrity.
Applications
Commercial Water Chillers: Functions as a primary chiller reciprocating compressor in air-cooled and water-cooled chiller assemblies for commercial buildings.
Industrial Process Cooling: Provides continuous temperature regulation for plastics, chemical processing, and jacketed vessel cooling circuits.
Cold Storage Logistics: Suitable for medium-temperature distribution centers and agricultural post-harvest storage facilities.
Ruifujie brings over 20 years of expertise to the refrigeration industry as a modern, large-scale manufacturer and supplier. We specialize in scroll, reciprocating, rotary, semi-hermetic, and screw compressors, along with cold storage equipment, quick-freezing systems, and ice-making machinery. Supporting comprehensive OEM and ODM customization, Ruifujie exports reliable cooling solutions globally across Russia, the United States, the United Kingdom, the United Arab Emirates, Saudi Arabia, and other key international markets.
Packaging and Shipping
Frequently Asked Questions
Q1: How does the SP4HN1500 chiller reciprocating compressor protect against motor overheating in continuous commercial chiller operations?
A1: The internal motor is cooled directly by returning cold suction gas before it enters the compression cylinders, effectively carrying away excess heat and maintaining low winding temperatures during 24/7 cooling duties.
Q2: Can this compressor adapt to variable cooling loads in industrial process chillers without frequent motor cycling?
A2: Yes, the unit utilizes 100% and 50% step capacity regulation, allowing the control system to step down output during light load periods, which prevents unnecessary compressor stops and restarts.
Q3: What safety mechanisms guard against sudden pressure spikes inside high-ambient refrigeration circuits?
A3: The compressor contains an internal safety relief valve between high and low-pressure chambers that opens automatically if internal pressure limits are exceeded, preventing structural damage to the housing.
Q4: What are your minimum order requirements and sample lead times for OEM buyers?
A4: We have no strict MOQ for in-stock sample units, which can be shipped within 3 days. Standard volume production orders ship in 10 to 15 working days.
Q5: What is the standard warranty coverage offered on Ruifujie semi-hermetic units?
A5: All products supplied by Ruifujie carry a standard 1-year warranty covering manufacturing defects.
Request Direct Wholesale Pricing
Consult with our technical sales engineers to choose the optimal compressor solution for your HVAC or cooling project. Contact us today to receive a detailed proposal within 8 hours. Please specify your required Model, Quantity, Refrigerant, Voltage, Operating Conditions, and Project Requirements in your inquiry.
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...
