ROOTS™ Universal 53 URAI

Model: 53 URAI

The ROOTS™ Universal RAI blower Model 53 URAI incorporates precision-machined involute impellers, carburized alloy steel spur timing gears, and oversized anti-friction bearings for continuous-duty rotary positive displacement performance. Its rigid cast iron casing, thrust-controlled rotor assembly, and detachable steel mounting feet support dependable industrial blowers operation with adaptable installation flexibility across Frames 22 thru 718.

Key Specifications

Max Flow

334 CFM

Max Pressure

15 psi

Max Vacuum

15" Hg

Maximum RPM

2850 RPM

Manufacturer

Roots

IO&M Manuals

Download

Literature

Download

Technical Details

Universal RAI Blower

Roots Blower Model 53 URAI

Flow Range: to 334 CFM

Max Δ Pressure: 15 psi

Max Δ Vacuum: 15″ Hg

Maximum RPM: 2850

Minimum RPM: 763

Max ΔT: 225˚F

Connection Size: 2.5″ FPT

53 URAI Blower Design & Construction Features

Steel detachable mounting feet

Rigid one-piece cast iron casing

Anti-friction bearings

Thrust control arrangement

Splash oil lubricated spur timing gears

Standard pipe size connections

Balanced precision-machined bi-lobe impellers

Ground steel shafts

Cast iron involute impeller construction

Cylindrical roller drive shaft bearing for increased belt load capacity

Four-position drive shaft adaptability for flexible installation

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.