80HP 60KW Refcomp SW3L-8000 Semi-Hermetic Screw Type Refrigeration Compressor
80HP semi-hermetic screw compressor
,60KW Refcomp screw refrigeration compressor
,SW3L-8000 screw type compressor
Four-step capacity control at 25%, 50%, 75% and 100%, or stepless adjustment from 25% to 100%, allows the semi-hermetic screw type compressor to match output to changing low-temperature loads.
The 25-bar housing of this refrigeration screw compressor features optimized internal gas passages that help reduce flow resistance and support motor cooling. Its compact construction integrates key components for convenient installation.
An internal safety valve connects the high- and low-pressure sides, helping prevent excessive pressure differentials within the compressor housing and supporting safe operation.
The semi-hermetic refrigeration compressor features suction and discharge shut-off valves that rotate through 360°, providing flexible piping arrangements. An internal discharge check valve helps prevent refrigerant backflow during shutdown.
| Parameter | Value |
|---|---|
| Model | SW3L-8000 |
| Rated power | 80HP / 60KW |
| Exhaust volume 50/60Hz | 286 / 343 m³/hr |
| Weight | 520 Kg |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | Y/△ – 400V/3/50Hz – 460/3/60Hz |
| LRA Y/Δ | 223 / 670 A |
| Max Operating Current | 139A |
Q1: What information should I provide when selecting a compressor for a low-temperature refrigeration system?
For semi-hermetic screw type compressor selection, provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, operating frequency and application details. Confirm that the low-temperature screw compressor matches the system's actual operating conditions using manufacturer selection data.
Q2: What should be considered when installing the compressor in an existing refrigeration system?
When installing a semi-hermetic screw compressor, check the suction, discharge and oil-line connections against the system piping drawings. Also verify piping cleanliness, oil return arrangements and available maintenance space.
Q3: What should I check if the compressor shuts down unexpectedly?
Check the motor protection module, power supply, phase sequence and operating conditions to identify the cause of the shutdown. Correct the underlying fault before restarting the compressor.
Q4: What maintenance should operators pay attention to during routine operation?
Regularly inspect the suction filter, lubricant condition, operating pressures and temperatures, and check for unusual vibration or noise. Follow the manufacturer's maintenance recommendations to maintain reliable operation.
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