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Edwards E2M28 21 CFM Dual-Stage High Capacity Vacuum Pump


Brand new Edwards E2M28 high capacity vacuum pump with one year manufacturer warranty from Edwards. E2M28 replaces the discontinued E2M30, click links below for more details. Free KF25 flexible stainless steel bellow (3.3 ft), clamps and centering rings set ($219 value) included. Technical support and one year warranty, covered by Edwards.

SKU: 4200748 Category: Tag:


 E2M28 (replacing the old E2M30, click here for more details)

 Vacuum pump type
 Dual stage rotary vane

 110V 50/60Hz 1-PH 8.2A or 220V 50/60Hz 1-PH 4.1A (switchable)

 Power connection
 US standard 3-prong plug (NEMA 5-15P)

 Motor power at 50Hz
 750 watts

 Motor power at 60Hz
 900 watts

 Peak pumping speed
 21 CFM at 60Hz

 Ultimate vacuum without gas ballast
 0.75 micron/millitorr

 Ultimate vacuum with gas ballast
 11 micron/millitorr

 Unit dimensions (WxDxH) 
 23 x 6.75 x 11″

 Shipping dimensions (WxDxH)
 31 x 11.5 x 19″

 Max water vapor inlet pressure

 22.5 torr (30 mbar)

 Max allowed pressure at outlet

 0.5 bar gauge/7 psig

 Max water vapor capacity

 700 grams/hour

 Operating temperature range

 54°F to 104°F (12°C to 40°C)

 Oil capacity
 Minimum 1.4 quart (1.3 L), maximum 1.6 quart (1.5 L)

 Oil type
 Ultragrade 19

 Nominal rotation speed
 1400/1720 rpm

 Noise level
 57 dB(A)

 Inlet connection

 Outlet connection
 Nozzle 15mm external removable from 3/4 in BSP tapped hole

 Unit weight
 100 Lbs

 Shipping weight
 120 Lbs

 User’s manual in English
 Click here to download


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