HSL Series – Low Pressure Refrigeration Applications


J&E Hall HSM semi-hermetic single screw compressor series is specially designed for low pressure applications.


  • Semi Hermetic Single Screw Design
  • Optimized for R404A, R507, R22 and R134a
  • Suction strainer
  • Stepless capacity control system (2 internal solenoid valves)
  • Discharge stop valve (except 4200)
  • Internal safety valve
  • Tailed and articulated suction flange
  • Liquid injection adapter
  • Oil drain connection
  • Oil injection connection
  • Oil line connections (external oil filter, solenoid valve and check valve)
  • 2-pole electric motor with temperature probe
  • Electronic protection (INT 69TM)
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