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40-100 HP Rotary Screw Compressors



  • Electric Motor: 230/460 volt (40-60 H.P.), Nema T-frame, C-face, open drip proof squirrel cage induction type.
  • Motor Starter: 460 volt (40-60 H.P.), full voltage magnetic starter with 110 volt controls, Nema-1 enclosure, ETL listed and three phase overload with external reset and phase protection. Control circuit breaker protection. Other voltages available. Cooling fan protected by overload relay.
  • Separator Tank: ASME coded 200 PSIG tank, relief valve, minimum pressure/check valve, high efficiency replaceable oil separator element.
  • Fluid Fill & Level Elbow: One piece fluid fill elbow and level sight glass. Vented cap for pressure release when filling.
  • Protective Devices: Class 20 overload relay, high temperature and over pressure shutdown switches, and anti-restart pressure switch preventing starting while air compressor is pressurized. Anti-reversing control standard.
  • Cooling System: Cooling system with own motor. Large side by side oil cooler/aftercooler. Updraft for maximum efficiency. Easy cleaning.
  • HD Air Intake Filter: Oversized dry type, single stage with replaceable element
    Inlet Valve: One piece housing for dependable performance and full modulation.
  • Coupling & Drive: Compressor is flange mounted to motor C-face for positive alignment and direct driven by zero maintenance coupling.
  • Controls: Full modulation, solenoid controlled for smooth lowest possible no load power. Automatic start/stop or constant speed. Timed dual control.
  • Instrumentation: Line pressure gauge, discharge pressure gauge, hour meter, temperature gauge, oil filter and separator element differential gauges.
  • Oil Filter: Spin on type mounted direct to compressor unit for ease of maintenance and streamlined tubing.
  • Microprocessor Control.
  • Auto/Dual Control: Compressor control that allows the unit to be operated in continuous run mode or with an automatic timed shut down. Auto control allows multiple machines to be operated in a lead-lag condition.
  • Air Cooled Aftercooler: Double pass air-cooled aftercooler with thermostatic control for maintaining the appropriate oil operating temperature and reducing the discharge air temperature to within 15 degrees of ambient.

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OK Valley Compressors, 2-2670 Enterprise Way, Kelowna, BC  V1X 7J6
Tel: 1-250-448-5688    E-Mail:
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