ROOTS™ Universal 22 URAI

Model: 22 URAI

The ROOTS™ Universal RAI blower Model 22 URAI incorporates a rigid one-piece cast-iron container with balanced, precision-machined bi-lobe impellers for stable airflow and dependable volumetric efficiency. Carburized and ground alloy steel spur timing gears are taper-mounted to steel shafts and secured using locknuts for accurate timing and durability. Engineered for continuous-duty industrial performance with compact construction and flexible mounting configurations.

Key Specifications

Max Flow

71 CFM

Max Pressure

12 PSI

Max Vacuum

15" Hg

Maximum RPM

5275 RPM

Minimum RPM

1530 RPM

Manufacturer

Roots

IO&M Manuals

Download

Literature

Download

Technical Details

Flow Range: up to 68 CFM

Max ΔT: 225˚F

Connection Size: 1" FPT

Shaft Diameter: 0.625"

Drive End Lubrication: Grease

Gear End Lubrication: Oil

Required Oil (Horizontal): 6.1 ounces

Required Oil (Vertical): 3.4 ounces

Unit Weight: 32 lbs (14.5 kg)

Shipping: Cardboard box with formed foam

22 URAI Blower Design & Construction Features

Steel detachable mounting feet

Rigid one-piece cast iron casing

Anti-friction bearings

Thrust control design

Splash oil lubricated spur timing gears

Standard pipe size connections

Balanced precision-machined bi-lobe impellers

Ground steel shafts

Warranty Information

ROOTS™ Universal RAI® industrial blowers are backed by a two-year warranty with an additional six months for shipping and construction where applicable. ROOTS™ synthetic oil is recommended to maximize lubricant life and operating reliability.