Universal RAI-J DSL® Positive Displacement Blowers - Dresser ROOTS

Universal RAI-J DSL®


Patented Universal RAI-J® WHISPAIRTM Dual Splash Lubricated blowers are heavy duty rotary units in a compact, sturdy design,engineered for continuous service when operated within speed and vacuum/pressure ratings. The basic model features a cast iron casing with a computer-designed cast relief for noise and shock suppression, carburized and ground alloy steel spur timing gears secured to steel shafts with a taper mounting and locknut, and cast iron involute impellers. Oversized anti-friction bearings are used, with a cylindrical roller bearing at the drive shaft to withstand V-belt pull. Detachable rugged steel mounting feet permit easy in-field adaptablility to either vertical or horizontal installation requirements. The Universal RAI-J® Dual Splash Lubricated design incorporates dual splash lubrication to the gear AND drive ends. ROOTS’ exclusive “figure-eight” gearbox design improves oil distribution to maximize bearing and gear life. Sight glasses (3/8”) are provided for accurate oil level confirmation.

  • Flow Rates: 55 - 565 ICFM (94 - 960 m179;/hr)
  • Pressures: No more than 13 PSI (No more than 896 mbar)
  • Vacuum: No more than 16 INHgV (No more than 539 mbar)
  • Horsepower:0.5 - 37 bhp (0.4 - 28 kw)/li>


Special Internet Pricing! Please Call for Details 630-372-9222