ROOTS™ 36 Universal RAI DSL

Model: 36 URAI DSL

The ROOTS™ 36 Universal RAI DSL blower is engineered for continuous-duty industrial air movement with dual splash lubrication on both the drive and gear ends. Featuring a rigid cast iron casing, precision-machined bi-lobe impellers, and carburized alloy steel timing gears, this URAI DSL blower supports airflow up to 330 CFM and operating speeds to 3600 RPM. The exclusive “figure-eight” gearbox design improves oil distribution for enhanced bearing and gear durability, while 3/8” sight glasses provide accurate oil level monitoring during operation.

Key Specifications

Max Flow

330 CFM

Max Pressure

7 psi

Max Vacuum

15" Hg

Maximum RPM

3600 RPM

Minimum RPM

1090 RPM

Manufacturer

Roots

IO&M Manuals

Download

Literature

Download

Technical Details

Product Series: URAI DSL (Dual Splash Lubricated) Blowers

ROOTS™ Model 36 URAI DSL

Model: Roots Model 36 URAI DSL

Flow Range: to 330 CFM

Max Δ Pressure: 7 psi

Max Δ Vacuum: 15″ Hg

Max ΔT: 225˚F

Connection Size: 2.5″ FPT

Shaft Diameter: 0.75″

Drive End Lubrication: Oil

Gear End Lubrication: Oil

Required Oil Gear End Horizontal Unit: 10.5 ounces

Required Oil Drive End Horizontal Unit: 6.5 ounces

Required Oil Gear End Vertical Unit: 8.5 ounces

Required Oil Drive End Vertical Unit: 4.0 ounces

Unit Weight: 105 pounds (47.7 kg)

36 Universal RAI DSL Blower Design & Construction Features

Steel detachable mounting feet

Rigid one-piece cast iron casing

Anti-friction bearings

Splash oil lubricated spur timing gears

Splash oil lubricated drive end bearings

Balanced, precision-machined bi-lobe impellers

Ground steel shafts

Standard pipe size connections

Oversized cylindrical roller bearing at drive shaft

Carburized and ground alloy steel timing gears

Exclusive “figure-eight” gearbox oil distribution design

3/8” sight glasses for oil level confirmation

Accessories

Available accessories include driver assemblies, inlet and discharge silencers, relief valves, inlet filters, check valves, extended bases, V-belt drives, flexible couplings, drivers, and drive guards.

Warranty Information

ROOTS™ Universal RAI DSL blowers are backed by a 2-year warranty with an additional 6 months covering shipping and construction where applicable. ROOTS synthetic oil is recommended to support long-term blower efficiency, lubrication stability, and operational reliability. Oil sight glasses are provided for accurate oil level monitoring during operation.