Pumps and Pulley Kits

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Lobe-Aire Vacuum Pumps

Matched impellers rotating in opposite directions, trap a volume of air at the inlet and move it around the perimeter to the outlet.

This cycle is repeated four times during each revolution of the input shaft. The capacity of the blower is proportional to the speed of rotation, while pressure is generated by system resistance.

Rotation of the impellers is synchronized by helical timing gears which are keyed to the shafts, eliminating contact between impellers.

The blower is engineered for the smoothest possible flow of air. The rotating impellers trap incoming air and move it through the cylinder.

  • No messy oil rotor lubrication
  • No vanes to break or wear
  • 100,000 hour bearing life
  • No cooling water or sealing fluid required
  • Non-wearing oil and shaft seals
  • Oil sumps on both ends
  • Oil sight glass on both sumps
  • Follow rotation arrow
Description Exhaust Shipping
Wt. (lbs.)
Part #
SCH 30 Pump (7.5-10 HP) 3” 215 48487
SCH 55 Pump (10-15 HP) 4” 370 48489
SCH 75 Pump (20-30 HP) 5” 510 48491
SCH 85 Pump (30-40 HP) 6” 580 48492