Refcomp SP4L2500 SP4L250E Semi Hermetically Sealed Reciprocating Compressor
Price:
Discussed
MOQ:
1
Delivery Time:
1 Month
Brand:
Refcomp
Product Description
Refcomp SP4L2500 SP4L250E Semi Hermetically Sealed Reciprocating Compressor
Product Overview
High-Displacement Low-Temp Output
Delivering an exhaust volume of up to 123.5 m³/h with 100% and 50% step energy regulation, this semi hermetically sealed compressor meets demanding low-temperature refrigeration duties.
Direct Gas Flow Geometry
Featuring an optimized 4-cylinder design with direct suction gas passages inside a 28 bar pressure-rated casing, reducing internal pressure drops and maintaining high compression efficiency.
Broad Dual-Frequency Grid Adaptability
Engineered to operate seamlessly across 400V/50Hz and 460V/60Hz industrial power supplies, this semi-hermetic compressor supports multi-refrigerant low-temperature systems.
Standard Protection & Serviceability Kit
- 360° adjustable suction (54 mm) and exhaust (35 mm) shut-off valves
- Factory-installed 230V / 150W crankcase heater for off-cycle oil protection
- Built-in INT69B2 electronic module for thermal motor overload protection
Product Image
Technical Specifications
| Model | SP4L2500, SP4L250E |
| Rated power | 25HP/18.7KW |
| Exhaust volume (50Hz/60Hz) | 102.9/123.5 m³/hr |
| Refrigerant Type | R22, R407C, R134a, R404A, R507 |
| Weight | 220KG |
| Oil Charge | 3.7L |
| Voltage | 400V/3/50Hz, 460V/3/60Hz PW |
| Starting current PW/DOL | 123/201A |
| Max operating current | 43A |
Frequently Asked Questions
Q1: What electrical insulation testing guidelines should be followed during routine maintenance of this semi hermetically sealed compressor?
Use a 500V megohmmeter to measure motor winding-to-ground insulation resistance, ensuring values remain well above 5 MΩ prior to re-energizing the compressor after extended shutdowns.
Q2: How does the 25 Hp motor handle part-winding starting sequences in large system installations?
Part-winding starting energizes the first set of motor windings to reduce initial inrush current to 123 A before connecting full windings, mitigating power grid voltage dips during startup.
Q3: What structural vibration isolation measures are recommended when mounting this 220 kg unit on a steel rack?
Install factory-specified rubber dampening pads under all mounting feet and use flexible corrugated pipe joints on suction and discharge lines to isolate mechanical resonance.
Q4: What specific temperature sensor placement yields accurate discharge monitoring for deep-freeze operation?
Position the discharge temperature probe directly on the discharge line within 100 mm of the shut-off valve port to ensure fast thermal feedback and prevent oil carbonization.
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Company
Shenzhen Coolstart Refrigeration Equipment Co., Ltd
Location
Room 1801, Building 1, Kangli city, No. 66 Pingji Road, Longgang District, Shenzhen, Guangdong,China
Contact Person
Lynn