ROOTS™ Universal 33 URAI
Model: 33 URAI
The ROOTS™ Universal RAI blower Model 33 URAI utilizes cast iron involute impellers, carburized alloy steel spur timing gears, and oversized anti-friction bearings for accurate rotor timing and continuous-duty airflow performance. Detachable steel mounting feet permit four-position drive shaft adaptability for flexible vertical or horizontal industrial blower installations.
Technical Details
Universal RAI Blower
Roots Blower Model 33 URAI
Roots Blower Model: 33 URAI
Flow Range: to 195 CFM
Max Δ Pressure: 12 psi
Max Δ Vacuum: 15″ Hg
Max ΔT: 225˚F
Connection Size: 2″ FPT
Shaft Diameter: 0.75″
Drive End Lubrication: Grease
Gear End Lubrication: Oil
Required Oil – Horizontal Unit: 10.5 ounces (0.31 litres)
Required Oil – Vertical Unit: 8.5 ounces (0.25 litres)
Unit Weight: 74 lbs (33.6 kg)
Shipping Box Size: 17″ x 15.5″ x 12″
Shipping Container: Cardboard Box with formed foam
33 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
Cast iron involute impellers
Carburized and ground alloy steel timing gears
Cylindrical roller bearing for V-belt load support
Four-position drive shaft adaptability
Vertical and horizontal mounting capability
Warranty Information
ROOTS™ Universal RAI® industrial blowers are covered by a two-year warranty with an additional six months for shipping and construction where applicable. Roots synthetic oil is recommended to support longer lubricant life and dependable blower operation.