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E2M 40-275 Rotary Vane Pumps

E2M 40-275 Rotary Vane Pumps

Designed for reliable, long term operation

Rugged, mechanical oil-sealed rotary vane vacuum pumps with a proven robust design

Reliable design and technology

Proven design for over 30 years in the market. Built-in oil filtration with disposable oil filter and forced oil lubrication to ensure efficient and effortless operation of the pump mechanism at any inlet pressure.

ATEX versions for explosion-proof compliance

E2M Ex Series to pump or operate in environments where a potentially explosive atmosphere can be present. Edwards can offer a wide range of products for use in and with explosive atmospheres. They are certified for ATEX and other applicable global standards.

Get the right series for your need

HC Series with hydrocarbon oil for most of the applications, FX Series for pumping rich-oxygen gas mixtures (PFPE prepared) and AZ Series for applications with chemically active compounds (Azide compatible).

E2M 275 with EH Booster pump
E2M with EH booster combination


  • Combine the E2M with an EH booster to obtain additional pumping speed and improved ultimate pressure.

  • Our unique pumping system EM275/EH4200 offers enormous suction speed to pump out large chambers quickly at very low pressure.

  Units E2M 40 E2M 80 E2M 175 E2M 275
Max displacement (50Hz) m3h-1 42.5 80 175 292
Max displacement (60Hz) m3h-1 50.5 96 214 350
Pumping speed (50 Hz) m3h-1 37 74 160 170/100
Pumping speed (60Hz) m3h-1 44 90 196 306
Ultimate total pressure without gas ballast mbar 3.0E-03
Ultimate vacuum with gas ballast mbar 5.0E-03
Inlet connection ISO-F / NW 40  40  63 63 
Outlet connection NW 25 25 40  40
Max permitted outlet pressure bar (g) 0.5
Max water vapour tolerance mbar 7 5 4 (20*) 2 (12*)
Max water vapour capacity kgh-1 0.2 0.3 2.4 2.5
Maximum gas ballast flow m3h-1 1.7 1.4 3 3
Dimensions (LxWxH)  mm 780x240x395 889x266x429 1055x388x533 1165x388x533
Weight approximate Kg 75 104 198 216
Motor protection rating IP 55
Motor rated power (50Hz) kW  1.1 2.2 5.5 7.5
Motor rated power (60Hz) kW  1.5 3 6.5 8.5
Noise level (50Hz)  dB(A) 65 75
Oil refill capacity (Max) litre 2.2/4 4/6.3 16/25 18/28
Recommended oil Ultragrade 70

  • Pharma freeze-drying
  • Coating
  • Plasma treatments (including oxygen-rich plasma with FX Series)
  • Heat pipes dissipation
  • Heat treatments
  • Chemical Process Industry (distillation, evaporation, mixing, filtration with Ex Series)

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