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Woosung Vacuum Pump MVP 90

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Woosung Vacuum Pump MVP 90

Technical Data   MVP 90
Nominal Displacement  50Hz m³/h 75
Nominal Displacement  60Hz m³/h 90
Ultimimate Pressure Torr (C) 5 x 10ˉ4
Torr (I) 5 x 10ˉ3
Torr (II) 5 x 10ˉ2
Water Vapour Tolerance Torr 40
Motor Version 50Hz/60Hz Three Phase 380V
Motor Version 50Hz/60Hz Single Phase -
Nominal Motor Rating kW Three Phase 2.2
Nominal Motor Rating kW Single Phase -
Nominal Motor Speed 50Hz/60Hz Min-1 1450/1750
Sound Level dB(A) 56
Oil filling liter 6.5
Weight Approx 50Hz/60Hz KG 84

Design Features
 
  1. Excellent ultimate vacuum and pumping speed by suing high performance new materials.
  2. Improved oil anti-suckback system to protect the vacuum system in the event of sudden stop.
  3. Occupying international standard clamp and flange at inlet and outlet port.
  4. Low noise and vibration.
  5. Occupying strong and constant pressured oil circulating system to protect the pump.
  6. Occupying convenient gas ballast valve control enabling open and shut-down of gas ballast valve easily while operating.
  7. Simple maintenance and oil replacement.
  8. Simple repair without special tools.
  
Design Operation Principle
 
  • MVP Series is two-stage oil sealed rotary vane vacuum pump. It is new concept out of conventional design to satisfy customer’s needs.
 
  • The structure of the pump
    It consists of pump housing, oil casing, motor housing, pump base and pump module. It occupies oil anti-suckback valve and gas ballast for protecting pump and vacuum system.
 
  • Operating Principle
    The pump and motor are connected by flexible coupling. As the rotor rotates two vanes, placed in rotor vane groove, turn making contact with the internal surface of the cylinder due to centrifugal force.
    The inhaled gas is trapped between two vanes as the rotating vane passes through the inlet passage and this trapped gas is compressed as it rotates toward exhaust valve and eventually exhaust through valve. The vacuum oil is supplied to the moving parts for lubrication and tight sealing. 


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