Edwards E2M28 Rotary Vane Vacuum Pump
Max. Displacement
22.3 ft 3min-1
Ultimate Vacuum
1 x 10-3 mbar
Nominal Rotation Speed
1440 / 1720 rpm
- Built-in motor protection systems include cooling by an external fan and thermal overload protection that automatically resets
- Ideal for sterilization, mass spectrometry, vacuum distillation, and more, making it a versatile tool in any laboratory
- Maintenance is simplified with an O-ring sealed sight glass for easy monitoring of oil levels and conditions at a glance
- With a noise level of 57 dB(A) at 50 Hz, it ensures a comfortable working environment
- Designed for effortless oil changes, featuring an oil drain port at the end of the oil box for convenient oil removal
- Equipped with a 0.75 kW motor at 50 Hz and a 0.90 kW motor at 60 Hz, guaranteeing robust performance
- Effectively manages vapor, making it suitable for applications involving moisture and solvents
The Edwards E2M28 Rotary Vane Vacuum Pump offers excellent ultimate pumping speed while providing quiet operation. With outstanding vapor handling capabilities, the E2M28 is a reliable and versatile 208V vacuum pump. There are a multitude of applications for the Edwards E2M28, including use with sterilization, mass spectrometry, lasers, vacuum distillation, epoxy degassing, brake line evacuation, freeze drying, space research, refrigeration dehydration, vacuum ovens, backing combinations, thin film coating, and other vacuum processes.
All of our equipment is fully tested to perform at factory specifications before being shipped.
The Edwards E2M28 Rotary Vane Vacuum Pump includes:
- > Pump Oil
- > Operator's Manual
- > Power Cord
- > Manufacturer's Documentation
- > 1 Year Manufacturer’s Warranty
Edwards E2M28 Rotary Vane Vacuum Pump Specifications
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Displacement (swept volume)
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50 Hz
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32.2 m3h-1 / 19 ft3min-1
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60 Hz
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38.9 m3h-1 / 22.3 ft 3min-1
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Speed (Pneurop 6602)
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50 Hz
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27.5 m3h-1 / 16.2 ft 3min-1
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60Hz
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33.0 m3h-1 / 19.5 ft 3min-1
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Ultimate vacuum (total pressure)
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without gas ballast
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1 x 10-3 mbar / 7.5 x 10-4 Torr
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with gas ballast
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1.5 x 10-2 mbar / 1.1 x 10-2 Torr
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with Fomblin®
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1 x 10-2 mbar / 7.5 x 10-3 Torr
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Inlet connection
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NW25 flange
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Outlet connection
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Nozzle 15 mm external Ø removable from 3/4 in BSP tapped hole
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Max allowed pressure at outlet
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0.5 bar gauge / 7 psig
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Max inlet pressure for water vapour
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30 mbar / 23 Torr
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Max water vapour pumping rate
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0.7 kg h-1
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Operating temperature range
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13 to 40°C
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Nominal rotation speed
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1440 / 1720 rpm
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Motor power 50 Hz
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0.75 kW
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Motor power 60 Hz
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0.90 kW
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Power Connector 1-ph
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IEC EN60320 C19
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Weight
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44 kg / 97 lbs
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Noise
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57 dB(A) @ 50 Hz
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Oil capacity - max
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1.5 litre
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Oil capacity - min
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1.2 litre
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Recommended oil (supplied)
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Ultragrade 19
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Electrical Requirements
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100-120V/208-230V, 50/60Hz (Pump shipped as 208-230V unless otherwise requested)
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Cool company 
