Menu
Medium EM series pumps are rugged mechanical oil-sealed pumps with speeds of 18 and 28 m3/hr. They feature advanced lubrication circuits, high reliability, and accessories to suit specific application needs.
Full Range from E2M0.7 through to E2M28 available to Purchase or to Hire please contact for details
The pump is designed for reliable, long‑term operation.
Thermal overload device prevents overheating (single phase only).
The drive is provided through a flexible coupling by a single‑phase or three‑phase (four pole) motor.
The motors are totally enclosed and are cooled by the motor cooling fan.
Full height O ring sealed oil sight glass for easy checking of oil level and condition.
Large sight glass and operating oil range.
IE3 energy efficient 3 phase motor used with E2M28.
| Displacement (swept volume) | |
| 50 Hz | 32.2 m3h-1 / 19 ft3min-1 |
| 60 Hz | 38.9 m3h-1 / 22.3 ft3min-1 |
| Speed (Pneurop 6602) | |
| 50 Hz | 27.5 m3h-1 / 16.2 ft3min-1 |
| 60Hz | 33.0 m3h-1 / 19.5 ft3min-1 |
| Ultimate vacuum (total pressure) | |
| without gas ballast | 1 x 10-3 mbar / 7.5 x 10-4 Torr |
| with gas ballast | 1.5 x 10-2 mbar / 1.1 x 10-2 Torr |
| with Fomblin® | 1 x 10-2 mbar / 7.5 x 10-3 Torr |
| Inlet connection | NW25 flange |
| Outlet connection** | Nozzle 15 mm external Ø removable from 3/4 in BSP tapped hole |
| Max allowed pressure at outlet | 0.5 bar gauge / 7 psig |
| Max inlet pressure for water vapour | 30 mbar / 23 Torr |
| Max water vapour pumping rate | 0.7 kg h-1 |
| Operating temperature range | 13 – 40 °C |
| Nominal rotation speed | 1440 / 1720 rpm |
| Motor power 50 Hz | 0.75 kW |
| Motor power 60 Hz | 0.90 kW |
| Power Connector 1-ph* | IEC EN60320 C19 |
| Weight | 44 kg / 97 lbs |
| Noise | 57 dB(A) @ 50 Hz |
| Oil capacity – max | 1.5 litre |
| Oil capacity – min | 1.2 litre |
| Recommended oil (supplied) | Ultragrade 19 |
For further details and prices on any of our products please contact our sales team.
For help with our products, please contact our service team.
Vacuum Precision supplies, services and stocks a whole range of products specifically for the High Vacuum Industry.