Category: Pumps | Subcategory: Vacuum Pumps

Edwards E2M28 Two Stage Rotary Vacuum Pump

Edwards E2M28 Two Stage Rotary Vacuum Pump Image

ITEM: 19235 In Stock

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Edwards E2M28 Two Stage Rotary Vacuum Pump ImageEdwards E2M28 Two Stage Rotary Vacuum Pump Image

The Edwards E2M28 Two Stage Rotary Vacuum Pump is a freestanding unit, oil sealed and designed for reliable, long-term operation in both laboratory and industrial environments. This sliding vane pump drive is provided through a flexible coupling by a single-phase or three-phase (four pole) motor. This pumps motors are enclosed and cooled by the motor-cooling fan.

Specifications:

  • Maximum displacement:
    • at 50Hz: 32.2 m3h-1
    • at 60Hz: 38.9 m3h-1
  • Maximum pumping speed:
    • at 50Hz: 27.5 m3h-1
    • at 60Hz: 33.0 m3h-1
  • Rotational speed:
    • at 50Hz: 1440 r min-1
    • at 60Hz: 1720 r min-1
  • Ultimate vacuum:
    • without gas ballast (partial pressure): 1 x 10-4 mbar
    • without gas ballast (total pressure): 1 x 10-3 mbar
    • with full gas ballast (partial pressure): 2 x 10-1 mbar
  • Oil capacity: 1.32 L
  • Maximum inlet pressure for water vapor: 30 mbar / 23 Torr
  • Maximum water vapor pumping rate: 0.7 kg h-1
  • Recommended oil: ultragrade 19
  • Weight: 97 lb. (44 kg)

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