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Edwards Vacuum Pump E2M28 22.5 cfm NEW A37317984 115/230V 1PH

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SKU: 40.22627.01

Edwards E2M28 Vacuum Pump OIL : 1.58 QT / 1.5 L

Additional information

Weight 120 lbs
Level of Vacuum

CFM / L/M (Displacement)

Inlet / Exhaust




Edwards Vacuum Pump E2M28 

E2M28 Edwards vacuum pump is the leading manufacturer of oil-sealed vacuum pumps. The E2M28 Edwards vacuum pump EM range of oil-sealed rotary vane pumps – renowned for its high ultimate vacuum, rapid pumping speed, quiet operation, and ability to handle vapor – has become the industry standard for laboratory applications. All Edwards vacuum pump in the range are independently approved to UL and CSA standards. Here is a quick overview:

  • Quiet Operation: Our Edwards vacuum pump E2M28 rotary vane vacuum pumps are compact and quiet.
  • Improved pumping speed
  • Better Working Environment
  • Reliable Performance:
  • Proven in a range of laboratory and industrial applications
  • Freestanding unit and compact design:
  • Flexibility of use
  • Gas ballast valve: The gas ballast valve reduces the amount of vapor condensation
  • Large vapor handling capacity

Why choose an Edwards E2M28 Vacuum Pump?

The E2M28 Edwards Vacuum Pump is a professional-grade vacuum pump designed to insure precision and efficiency in your application. The E2M28 Edwards vacuum pump is a 2 stage, robust rotary vane pump with a speed of 22.5 cubic feet per minute. It is used extensively in various industries, including automotive, aerospace, and medical because of its long service life and quiet operation. The Edwards Vacuum Pump E2M28 delivers maximum performance and peace of mind.

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Edwards E2M28 EM Series Oil-Sealed Rotary Vane Edwards Vacuum Pumps 

Edwards vacuum pump E2M28 EM Series pumps are rugged, mechanical oil-sealed pumps with speeds ranging from 0.7 to 28 m3/hr depending on model size and stage. Compact and quiet, they feature advanced lubrication circuits, high reliability, and accessories to suit your specific application needs. They are ideal for dealing with environments that are extremely gaseous for example, refrigeration system evacuation or pharma freeze-drying. The Edwards vacuum pump E2M28 EM Series Rotary Vacuum Pumps have no contamination during a process and lubrication highly effective under gas loads making them a vacuum pump industry standard.

EM series Edwards vacuum pump were designed to be flexible and reliable for long-term operation. The Edwards vacuum pump is also compact making it easy to install, move around, and have a wide range of voltage motors. The built-in protection systems include overheating protection using a thermal overload device. The motor is cooled by a fan and closed inside the product. The EM Series Edwards vacuum pumps can automatically reset and restart the pump once the motors cool down with no user intervention needed. The Edwards vacuum pump uses a pressure die-cast oil box with oil seals to prevent oil leaks making it easy to clean. The oil slight-glass has the ability to let the user inspect the levels and conditions of the oil in the box oil reservoir.


The Edwards E2M28 can be used for a variety of applications, like mass spectrometry, lasers, brake line evacuation, freeze-drying, vacuum distillation, epoxy degassing, space research, refrigeration dehydration, vacuum ovens, backing combinations, thin-film coating, sterilization as well as other vacuum processes.

A wide range of Edwards E2M28 vacuum pump products is available to purchase on AVAC.com. The 2-stage Edwards vacuum pump is easy to configure for high gas loads or even low vacuum needs. Edwards E2M28 vacuums are made to reduce noise and be low in cost to own. These Edwards vacuum pump also do not need servicing and units within the pump are easy to remove and clean. We have a wide selection of rotary vane vacuum pumps available for most applications such as analytical instruments, automotive, cryogenics, and refrigeration manufacturing.

Edwards Vacuum Pump E2M28 22.5 cfm NEW A37317984 115/230V 1PH Specifications


Displacement (swept volume) 
50 Hz32.2 m3h-1 / 19 ft3min-1
60 Hz38.9 m3h-1 / 22.3 ft3min-1
Speed (Pneurop 6602) 
50 Hz27.5 m3h-1 / 16.2 ft3min-1
60Hz33.0 m3h-1 / 19.5 ft3min-1
Ultimate vacuum (total pressure) 
without gas ballast1 x 10-3 mbar / 7.5 x 10-4 Torr
with gas ballast1.5 x 10-2 mbar / 1.1 x 10-2 Torr
with Fomblin®1 x 10-2 mbar / 7.5 x 10-3 Torr
Inlet connectionNW25 flange
Outlet connection**Nozzle 15 mm external Ø removable from 3/4 in BSP
tapped hole
Max allowed pressure at outlet0.5 bar gauge / 7 psig
Max inlet pressure for water
30 mbar / 23 Torr
Max water vapour pumping rate0.7 kg h-1
Operating temperature range13 – 40 °C
Nominal rotation speed1440 / 1720 rpm
Motor power 50 Hz0.75 kW
Motor power 60 Hz0.90 kW
Weight44 kg / 97 lbs
Noise57 dB(A) @ 50 Hz
Oil capacity - max1.5 litre
Oil capacity - min1.2 litre

Click Below for Specification Sheet

Edwards Vacuum Pump E2M28