ROOTS™ Universal 65 URAI

Model: 65 URAI

The ROOTS™ Universal RAI Blower Model 65 URAI is engineered for continuous-duty industrial performance with pressures to 15 psi and vacuum capability to 16" Hg. Featuring precision-machined involute impellers, carburized alloy steel timing gears, oversized anti-friction bearings, and splash oil lubrication, the unit delivers dependable airflow efficiency, thermal stability, and long service life in demanding operating environments.

Key Specifications

Max Flow

526 CFM

Max Pressure

15 psi

Max Vacuum

16" Hg

Maximum RPM

2350 RPM

Minimum RPM

636 RPM

Manufacturer

Roots

IO&M Manuals

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Literature

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Technical Details

Universal RAI Blower

Roots Blower Model 65 URAI

Flow Range: to 526 CFM

Max Δ Pressure: 15 psi

Max Δ Vacuum: 16″ Hg

Max RPM: 2350

Min RPM: 636

Max ΔT: 250˚F

Connection Size: 3″ FPT

Shaft Diameter: 1.375″

Drive End Lubrication: Grease

Gear End Lubrication: Oil

65 URAI Blower Design & Construction Features

Steel detachable mounting feet

Rigid one-piece cast iron casing

Anti-friction bearings

Thrust control

Splash oil lubricated spur timing gears

Connections in standard pipe sizes

Balanced, precision-machined bi-lobe impellers

Ground steel shafts

Oversized anti-friction bearings for continuous-duty service

Cylindrical roller bearing designed to withstand V-belt pull

Warranty Information

ROOTS™ Universal RAI® blowers are covered by a 2-year operational warranty with an additional 6 months for shipping and construction periods where applicable. ROOTS synthetic oil is recommended to support longer lubricant life and dependable operating performance.