Edwards E2M28 21 CFM Dual Stage High Capacity Vacuum Pump

Bơm chân không ngoài Edwards E2M28 21 CFM Dual Stage High Capacity Vacuum Pump, được thiết kế để vận hành liên tục 24/24 trong thời gian dài, sử dụng điện 1 pha, 220v

SKU: E2M28 Category:

Features and Benefits

  • The pump is designed for reliable, long-term operation.
  • Thermal overload device prevents overheating (single phase only).
  • The pump is a free-standing unit.
  • The drive is provided through a flexible coupling by a single-phase or three-phase (four pole) motor.
  • The motors are totally enclosed and are cooled by the motor-cooling fan.
  • Easy to use controls.
  • Pressure die cast oil box with integral oil seals prevents oil leaks.
  • Gas ballast valve for large water vapour handling capacity.
  • Externally approved to EN61010, CSA, C22.2 and UL61010.
  • Oil distribution valve.
  • Pumping chambers are air-tight.
  • Oil sight-glass, two oil drain-plugs, inlet-port and outlet nozzle all fitted as standard.
  • Gas-ballast control.
  • One year warranty, as well as technical support from Edwards.


  • Analytical instruments – LCMS
  • Automotive
  • Beam lines and high energy physics
  • Centrifuges, ultra-high speed
  • Coating
  • Cryogenics
  • Degassing/curing – oil, epoxy resin
  • Distillation/extraction/filtration
  • Freeze drying
  • Furnaces
  • Gas bottle filling/emptying
  • Gel drying
  • Glove boxes, ovens
  • Laboratory bench top vacuum
  • Lasers, gas recovery and re-circulation
  • Leak detectors, Helium
  • Load locks and transfer chambers
  • Refrigeration manufacture
  • Rotary, centrifugal evaporators
  • Solvent recovery
  • Surface science instruments
  • Turbomolecular backing pumps

Standard package

 Part description  Quantity
Part image
 Edwards E2M28 21 CFM dual stage vacuum pump 1 pc
 KF25 stainless steel vacuum bellow (3 ft) 1 pc
 KF25 wing nut flange quick clamp  2 pcs
 KF25 flange centering ring  2 pcs
 110V stardard 3-prong US power cord 1 pc
 Edwards ultra grade 19 vacuum pump oil  2 pcs
 User’s manual in a CD 1 pc


 Model  E2M28 (replacing the old E2M30, click here for more details)
 Vacuum pump type  Dual stage rotary vane
 Power  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  NW25/KF25
 Outlet connection  Nozzle 15mm external removable from 3/4 in BSP tapped hole
 Unit weight  100 Lbs
 Shipping weight  120 Lbs

GML Series Nitrogen generator

  • Completely silent in operation, few moving parts with minimum maintenance requirements
  • More cost efective than any other gas supply method, onsite gas generation considerably reduces your carbon footprint
  • Gas on demand, no health hazards, no need to worry about running out of gas
  • Commission gmLab Technologies’s expert installation engineers, let us do the work for you

GIMITEC - gmLab Technologies

A nitrogen generator manufacturer, and trading service company.

Contact info:
* 0866 858 363
* sale@gimitec.com
* support@gimitec.com

GIMITEC adver!