MVP24 {24m3/h(400L/min)-60HZ, 20m3/h(335L/min)-50HZ}

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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.

Technical Data

Description Unit MVP24
Displacement speed 60HZ m3/h 24
L/min 400
50HZ m3/h 20
L/min 335
Ultimate pressure Gas ballast C torr 5 x 10-4
Gas ballast I 5 x 10-3
Gas ballast II 5 x 10-2
Water vapour tolerance torr 25
Oil filling L 2.0
Inlet port DN 25KF
Outlet port DN 25KF
Motor power kW 0.75
Rotational speed of pump 60Hz R.P.M 1750
50Hz R.P.M 1450
Noise level(without gas ballast) dB 52
Weight kg 38

Pumping Speed Curve


External Pump Sketch


Simplified Pump Structure Sketch


Outside Dimension



Model A B C D E F G H I J K N S M L
MVP24 210 140 297 40 50 282 55 180 288 147 310 309 Ø12 234 543