Snowman Group

SRS Series Semi-hermetic Two-stage Variable Frequency Screw Compound Compressor Unit

Name: SRS Series Semi-hermetic Two-stage Variable Frequency Screw Compound Compressor Unit
Brand: Snowman Group

SRS Series Semi-hermetic Two- stage Variable Frequency Screw Compound Compressor Units include 5 models, with a displacement range of 141-652 m³/h.

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Snowman Group

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Abb. 01 – SRS Series Semi-hermetic Two-stage Variable Frequency Screw Compound Compressor Unit

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Designed with intelligent automatic control, excellent energy efficiency, high system integration, and reliable safety performance, the units are suitable for low-temperature refrigeration applications using R717. The standard scope of supply includes: compressor, SVPWM vector frequency inverter, control center, oil separator, economizer, oil cooler, high-capacity filter, automation components, etc.

SRS Series Semi-Hermetic Two-stage Variable Frequency Screw Compound Compressor Units include 5 models, offering a displacement range of 141-652 m³/h.

The units adopt a two-stage screw compression design with variable frequency control technology, providing efficient operation under low-temperature refrigeration conditions. With intelligent automatic control, excellent energy efficiency, high integration, and reliable safety features, the units are designed to meet demanding industrial refrigeration requirements.

Applicable refrigerants include R717, providing flexible solutions for various refrigeration systems.

The standard scope of supply includes: compressor, SVPWM vector frequency inverter, control center, oil separator, economizer, oil cooler, high-capacity filter, automation components, etc.

Characteristics of SRS Series Semi-Hermetic Two-stage Variable Frequency Screw Compound Compressor Unit

Two-stage screw compression design improves refrigeration efficiency and provides stable operation under low-temperature working conditions.
Variable frequency control technology enables precise capacity adjustment and ensures efficient operation under different load conditions.
Semi-hermetic structure integrates the motor and compressor, featuring compact design and reliable performance.
Intelligent control system enables automatic operation, real-time monitoring, data recording, and convenient system management.
High-efficiency oil separation system ensures effective oil separation and reliable compressor operation.
Equipped with high-capacity filters and optimized oil cooling system, providing easy maintenance and long-term stable operation.
Applicable for R717, meeting various industrial refrigeration requirements.

Application Requirement

Evaporating Temperature
-16°C to -20°C
Discharge Temperature
45°C – 100°C
Oil Supply Temperature
40°C – 65°C
Ambient Temperature
-15°C to +40°C
Lubricant oil
the oil provided or ratified by Snowman
Cooling Water Condition
the water quality must meet the requirement of GB50050- Code
for Design of Industrial Recirculating Cooling Water Treatment;
Cooling Water Inlet Temperature
+15°C – +32°C