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Roots U-RAI Positive Displacement Blowers

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Dresser Roots U-RAI Positive Displacement Blowers

All Universal RAI® (URAI) series blowers are heavy duty rotary blowers in a compact, sturdy design engineered for continuous and maximum reliability. These blowers have grease lube on the drive-end with splash oil lube on the gear end. Roots’ exclusive figure-8” gearbox design improves oil distribution and lengthens bearing and gear life.

This series features a grey iron casing, carburized and ground alloy steel spur timing gears secured to steel shafts with a taper fit and locknut, and grey iron involute impellers.

Oversized anti-friction bearings are used, with a heavy duty cylindrical roller bearing at the drive shaft to withstand V-belt pull.

The standard URAI blower features universal detachable rugged steel mounting feet to permit easy in-field adaptation to either vertical or horizontal installation requirements and any of four drive shaft positions – top, bottom, right or left hand. All frame sizes are center-timed to allow for rotation in either direction.

Key Features:

  • 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

System Applications:

  • Air Sparging
  • Soil Vapor Extraction
  • VOC Removal

Product Documents: (PDF's)

 

 

 

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