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Authorized Repair Center
Missouri, Kansas, Iowa and Nebraska

ROOTS™ URAI (Universal-RAI) Series

The detachable mounting feet can be switched to your required shaft configuration
Click for instructions

URAI Features

> Rigid one-piece cast iron casing
> Connections in std pipe sizes
> Straight, precision machined
2-lobe impellers
> Splash oil lubricated gears
> Carburized and ground alloy
steel spur timing gears
> Anti-Friction gears
> Ground steel shafts
> Center Timed for rotation
in either direction 

Roots Blower URAI

Other Models available

> URAI-G (Gas) features mechanical seals for gas applications
> URAI-DSL (Dual Splash Lube) features splash oil lubrication on both ends
> URAI-J (Whispair) features longer bearing life, lower vibration, and noise reduction.
> URAI-J-DSL (Whispair Dual Splash Lube) features splash oil lubrication on both ends, longer bearing life, lower vibration, and noise reduction.

Roots Blower 711 URAI

Roots Blower 711 URAI

Roots Blower 68 URAI-DSL

Roots Blower 68 URAI-DSL

Roots Blower 33 URAI Right Hand Shaft


Right Shaft

Roots Blower 45 URAI-DSL Left Hand Shaft


Left Shaft

Roots Blower 32 URAI-G Top Shaft


Top Shaft

Roots 56 URAI-J Bottom Shaft


Bottom Shaft

URAI Specifications

Click the model name to open a Quick Spec pdf  

Model Part Num Flow Range Max ∆PSIG Max ∆Vac RPM RangeMax ∆TConn/ShaftOil Horz
22 URAI65102020to 71 CFM12 PSI15" Hg1530-5275225°F1" FPT/0.625"6.1 oz
24 URAI65103020to 148 CFM7 PSI15" Hg1530-5275210°F2" FPT/0.625"6.1 oz
32 URAI71048020to 142 CFM15 PSI16" Hg1090-3600240°F1.25" FPT/0.75"10.5 oz
33 URAI65105020to 195 CFM12 PSI15" Hg1090-3600225°F2" FPT/0.75"10.5 oz
36 URAI65106020to 330 CFM7 PSI15" Hg1090-3600225°F2.5" FPT/0.75"10.5 oz
42 URAI65108020to 330 CFM15 PSI16" Hg884-3600240°F1.5" FPT/0.875"14.5 oz
45 URAI65109020to 395 CFM10 PSI15" Hg884-3600225°F2.5" FPT/0.875"14.5 oz
47 URAI65110020to 523 CFM7 PSI15" Hg884-3600225°F3" FPT/0.875"14.5 oz
53 URAI65112020to 343 CFM7 PSI15" Hg763-2850225°F2.5" FPT/1.125"27.6 oz
56 URAI65113020to 580 CFM13 PSI15" Hg763-2850225°F4" FPT/1.125"27.6 oz
59 URAI65114020to 857 CFM7 PSI15" Hg763-2850225°F4" FPT/1.125"27.6 oz
65 URAI65116020to 526 CFM15 PSI16" Hg636-2350250°F3" FPT/1.375"52.1 oz
68 URAI65117020to 845 CFM14 PSI16" Hg636-2350240°F5" FPT/1.375"52.1 oz
615 URAI651118020to 1583 CFM7 PSI12" Hg636-2350130°F6" FLG/1.375"52.1 oz
76 URAI65120020to 765 CFM15 PSI16" Hg545-2050250°F4" FPT/1.562"59.5 oz
711 URAI65121020to 1413 CFM10 PSI16" Hg545-2050225°F6" FLG/1.562"59.5 oz
718 URAI65122020to 2316 CFM7 PSI12" Hg545-2050130°F8" FLG/1.562"59.5 oz
Showing entries (filtered from total entries)

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