Edwards E2M28 Two Stage Rotary Vane Pump

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
Weight 44 kg / 97 lbs
Noise 57 dB(A) @ 50 Hz
Oil capacity - max 1.5 litre
Oil capacity - min 1.2 litre