Refcomp SW3L-4000 40HP Semi-Hermetic Screw Compressor for Low-Temp Cold Room
Refcomp SW3L-4000 screw compressor
,40HP semi-hermetic screw compressor
,low-temp cold room screw compressor
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Compact High-Pressure Housing
The semi-hermetic screw compressor features a 25-bar housing with optimized internal gas passages to reduce flow resistance. Its compact construction integrates key components for convenient system installation.
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High-Density Suction Filtration
A built-in 100 μm suction filter removes impurities from incoming refrigerant gas, helping protect the motor. Its accessible position makes inspection and replacement more convenient for this low-temperature screw compressor.
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Precision Bearing System
Matched bearing assemblies support axial and radial rotor loads. High-precision bearing components and dedicated lubrication passages help reduce friction, mechanical wear and operating noise in this refrigeration screw compressor.
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Flexible Shut-Off Valve Configuration
The suction and discharge shut-off valves can rotate through 360° for flexible piping arrangements. An internal discharge check valve helps prevent refrigerant backflow when the compressor stops.
| Parameter | Value |
|---|---|
| Model | SW3L-4000 |
| Rated power | 40HP / 30KW |
| Exhaust volume 50/60Hz | 150/180 m³/hr |
| Weight | 255 Kg |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | Y/△ – 400V/3/50Hz – 460/3/60Hz |
| LRA Y/Δ | 131/398 A |
| Max Operating Current | 80 A |
Q1: How can I confirm whether this compressor is suitable for my low-temperature refrigeration system?
For a low-temperature refrigeration compressor application, provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, and operating frequency. The selection of this semi-hermetic screw compressor should be verified against the manufacturer's performance data.
Q2: What should be considered when connecting the compressor to an existing refrigeration system?
Check the suction, discharge and oil-line connections against the system piping drawings. Ensure correct pipe sizing, proper oil return and sufficient installation clearance.
Q3: How can compressor output be matched to changing refrigeration loads?
The SW3L series supports four-step capacity regulation or stepless adjustment from 25% to 100%. For an industrial refrigeration screw compressor installation, select the control method according to actual load variations and controller compatibility.
Q4: What should operators monitor during routine operation?
Monitor the semi-hermetic screw compressor for abnormal noise, vibration, temperature changes and unusual operating pressure variations. Regularly inspect the suction filter and lubricant condition according to the manufacturer's maintenance recommendations.
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