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Edwards E2M28 Vacuum Pump 1 PHASE 115/230V 22.5 cfm REBUILT w/ 1 Year Warranty A37317984


SKU: 40.22870.02

OIL : 1.58 QT / 1.5 L

Additional information

Weight 130 lbs
New / Rebuilt

Level of Vacuum

CFM / L/M (Displacement)

Inlet / Exhaust


Power Options



Edwards E2M28 Vacuum Pump Rebuilt.  All high vacuum pumps rebuilt and sold through AVAC have been completely disassembled, cleaned, re-machined and carefully inspected for wear by our factory trained technicians. Units are assembled with new vanes, shaft seals, exhaust valves, gaskets, springs, oil distribution valves and bearings prior to undergoing an extended performance test to meet or exceed OEM specifications. All pumps are then painted, detailed, and pass a final quality assurance inspection prior to shipping. A final test certificate is provided with each pump, which will be covered with a one-year warranty.

The EM range of oil-sealed rotary 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 pumps in the range are independently approved to UL and CSA standards.

EM Series Oil-Sealed Rotary Vane Vacuum Pumps 

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.

  • Quiet Operation:
    Better Working Environment
  • Reliable Performance:
    Proven in a range of laboratory and industrial applications
  • Free standing unit and compact design:
    Flexibility of use
  • Gas ballast valve:
    Large vapor handling capacity

Click Below for Brochure

Edwards Vacuum Pump E2M28

Edwards E2M28 Vacuum Pump 1 PHASE 115/230V 22.5 cfm 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
Power Connector 1-ph*IEC EN60320 C19
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