ROOTS™ Universal 68 URAI

Model: 68 URAI

The ROOTS™ Universal RAI Blower Model 68 URAI is engineered for continuous-duty industrial blower applications with airflow capacities to 845 CFM and operating pressures to 14 psi. Precision-machined bi-lobe impellers, carburized alloy steel timing gears, and oversized anti-friction bearings support dependable airflow performance, while synthetic blower oil provides an expected lubricant life of 4000–8000 hours at approximately 180°F operating temperature and stable thermal operation.

Key Specifications

Max Flow

845 CFM

Max Pressure

14 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 68 URAI

Flow Range: to 845 CFM

Max Δ Pressure: 14 psi

Max Δ Vacuum: 16″ Hg

Max RPM: 2350

Min RPM: 636

Max ΔT: 240˚F

Connection Size: 5″ FPT

Shaft Diameter: 1.375″

Drive End Lubrication: Grease

Gear End Lubrication: Oil

Required Oil – Horizontal Unit: 52.1 ounces

Required Oil – Vertical Unit: 28.3 ounces

Unit Weight: 285 lbs (129.5 kg)

68 URAI Blower Design & Construction Features

Frames 22 thru 718 configuration platform

Steel detachable mounting feet for flexible installation

Rigid one-piece cast iron casing

Balanced precision-machined bi-lobe impellers

Ground steel shafts with taper-mounted timing gears

Carburized alloy steel spur timing gears

Oversized anti-friction bearings

Cylindrical roller bearing designed for V-belt loads

Splash oil lubricated gear end

Grease lubricated drive end

Thrust control design

Standard pipe size connections

Warranty Information

ROOTS™ Universal RAI® blowers include a 2-year warranty with an additional 6 months covering shipping and construction where applicable. ROOTS synthetic oil is recommended for extended lubricant life and optimized blower reliability.