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Refcomp SP Series SP4H3500 SP4H350E Semi Hermetic Compressor

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Refcomp SP Series SP4H3500 SP4H350E Semi Hermetic Compressor

Refrigerant : R22, R407C, R134a, R404A, R507

Model Number : SP4H3500,SP4H350E

Rated Power : 35HP/26.1KW

MOQ : 1

Delivery Time : 1 Month

Packaging Details : WOODEN CASE

Payment Terms : Western Union,T/T

Oil Charge : 3.7L

Brand Name : Refcomp

Application : HVAC, Condensing Unit, Cold Room, Rack System

Place of Origin : China

Price : Discussed

Supply Ability : 100000Pcs/Year

Displacement 50/60Hz : 102.9/123.5 m3/hr

Certification : CE

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Refcomp SP Series SP4H3500 SP4H350E Semi Hermetic Compressor
Product Overview

Designed for working pressures up to 28 bar, this semi hermetic reciprocating compressor features optimized internal gas channels to minimize flow resistance and maintain superior compression efficiency.

  • Step Capacity Control: Supports 100% and 50% capacity regulation stages, allowing flexible adaptation to changing refrigeration loads and reduced operating costs.
  • Durable Mechanical Construction: Equipped with dynamically balanced crankshaft, wear-resistant sliding sleeve bearings, and optimized connecting rods designed for continuous service life of 50,000 to 80,000 hours.
  • Integrated Protection & Accessories:
    • INT69B2 electronic motor protection module
    • 360° rotatable suction and discharge shut-off valves
    • Built-in high-density suction gas filter
    • Internal high/low pressure safety relief valve
  • Multi-Refrigerant Versatility: Engineered for broad working conditions, supporting standard refrigerants including R22, R134a, R404A, R407C, and R507 across 50Hz and 60Hz systems.
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Refcomp SP Series SP4H3500 SP4H350E Semi Hermetic Compressor
Technical Specifications
Model SP4H3500, SP4H350E
Rated Power 35HP/26.1KW
Exhaust Volume (50Hz/60Hz) 102.9/123.5 m³/hr
Refrigerant Type R22, R407C, R134a, R404A, R507
Weight 238KG
Oil Charge 3.7L
Voltage 400V/3/50Hz, 460V/3/60Hz PW
Starting Current PW/DOL 178/290A
Max Operating Current 56A
Refcomp SP Series SP4H3500 SP4H350E Semi Hermetic Compressor
Frequently Asked Questions
What parameters should be provided to confirm selection for this semi hermetic reciprocating compressor?

Accurate selection requires specifying required cooling capacity, operating evaporating and condensing temperatures, refrigerant type, power supply voltage/frequency, and application details.

How does the built-in motor protection module function on SP series semi-hermetic compressor?

The factory-installed INT69B2 module continuously monitors motor winding temperature to prevent thermal overload and electrical damage under severe operating conditions.

What routine inspections should operators perform to ensure reliable operation?

Regularly inspect the oil level through the sight glass, verify crankcase heater energization before cold startup, monitor operating current, and check suction filter pressure drops.

How does the rotatable valve design simplify system integration?

Both suction and discharge shut-off valves feature 360° rotation capability, enabling flexible connection angles and simplifying pipeline layout in compact machine frames.


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