HSM/L Semi-hermetic Compressors

The HSM/L range of semi hermetic single screw compressors is designed for medium and low temperature application.  The compressor only has three basic moving parts which results in balanced compression with no power loss and minimum bearing loads.  The compressor’s award winning flexibility allows for outstanding reliability and superior efficiency.

• High COP and low energy costs give low total life cost
• Unique design gives 100,000 hrs bearing life
• Can be serviced and maintained “in-situ”
• Compact design

• Semi hermetic single screw design
• Optimised for R404A, R507, R22 & R134a
• Suction strainer
• Stepless capacity control system (2 built in solenoid valves)                 
• Discharge stop valve (except 4200)
• Internal relief valve
• Suction flange with tail & joint
• Liquid injection adapter
• Oil drain connection
• Oil injection connection
• Oil line fittings (external oil filter, solenoid valve and check valve)
• 2 pole electric motor with temperature probes
• Electronic protection (INT 69TM)


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