Roots 45 Blower

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£1,780.00ex vat£2,136.00inc vat

Universal RAI Blower Heavy-duty, bi-lobe rotary blowers in a compact, sturdy design engineered for continuous use with exceptional reliability



Universal RAI blowers are heavy duty rotary blowers designed with detachable rugged steel mounting feet, which permit easy in-field adaptability to either vertical or horizontal installation requirements. Because of the detachable mounting feet, these units can be easily adapted to any of four drive shaft positions – right hand, left hand, bottom or top. The compact, sturdy design is engineered for continuous service when operated in accordance with speed and pressure ratings. The basic model consists of a cast iron casing, carburized and ground alloy steel spur timing gears secured to steel shafts with a taper mounting and locknut, and cast iron involute impellers. Oversized antifriction bearings are used, with a cylindrical roller bearing at the drive shaft to withstand V-belt pull. The Universal RAI features thrust control, with splash oil lube on the gear end and grease lube on the drive end. After standard tests, the unit is sprayed with protective paint and boxed or placed on skids. Available accessories include driver, relief valve, inlet and discharge silencer, inlet filter, check valve, extended base, V-belt or flexible coupling and drive guards.


  • Detachable steel mounting feet
  • Rigid one-piece cast iron casing
  • Anri-friction bearings
  • Thrust Control
  • Splash oil lubricated spur timing gears
  • Connections in standard pipe sizes
  • Straight, precision machined two-lobe impellers
  • Ground steel shafts
  • Cost effective design
  • Pressures to 15 psig (1034 mbar)
  • Vacuums to 16” Hg (539 mbar)
  • Flows to 2370 cfm (4026 m3 /hr)

Additional information

Weight 40 kg


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