Absolute Vacuum Services Ltd

Your High Vacuum specialists

Technical Mobile: 0274 853 035 Phone: 09 294 7380 Sales Mobile: 0272 853 035

Edwards Stokes 412H vacuum pump

1 x Used Edwards Stokes 412H Rotary Piston Vacuum pump:


Displacement: 510m3/hr, 300 ft3min-1
Rotational speed: 490 rpm
Inlet connection: 103mm, 4 FLG
Exhaust connection: 76mm, 3 FLG, 3 NPT
Water outlet: 13mm, 1/2 NPT
Water inlet: 13mm, 1/2 NPT
Method: Water
Water consumption: 7.6lmin-1, 2 UG gpm
Weight: 794kgs
Motor power: 7.5kW, 10hp, 3phase
Oil capacity: 46 ltrs
Delivery: Ex stock AVS


  • Robust cast and ductile iron construction rugged reliable operation.
  • Low ultimate blank-off with pressures down to <10-2 Torr.
  • Maximum uptime with minimal moving parts & large clearance.
  • Space saving design.
  • Complete & self-contained unit ready to install.
  • Gas ballast as standard.
Should you require further information please don't hesitate to contact us