42 URAI DSL - Roots Blower - T30352020 B-L-T-R Dresser ROOTS



The 42 URAI DSL blower has a 4 inch gear and a 2 inch rotor length. The NPT connection is 1.5 inches with a shaft diameter of 0.875 inches. Please refer to the installation and operation manual for more technical information about model 42 URAI DSL. For better assistance with ordering model 42 URAI DSL please contact air blower services.

Reference BOM # T30352020 B-L-T-R or 42 URAI DSL

Roots Model 42 URAI DSL

Flow Range: to 330 CFM
Max Δ Pressure: 15 psi
Max Δ Vacuum: 16″ Hg
Max RPM: 3600
Min RPM: 848
Max ΔT: 240˚F
Connection: 1.5″ FPT
Shaft Dia.: 0.875
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Required Oil Gear End Horizontal Unit: 22.8 ounces
Required Oil Drive End Horizontal Unit: 10.8 ounces
Required Oil Gear End Vertical Unit: 12.7 ounces
Required Oil Drive End Vertical Unit: 5.5 ounces
Unit Weight: 92 pounds (41.8 kg)
Shipping Box Size (LxWxH): 17″x15.5″x12″ (432mmx394mmx305mm)
Shipping Container: Cardboard Box with formed foam


Frame Size:



ROOTS™ URAI DSL blowers are warranted for two years plus an additional 6 months for shipping and construction where required. ROOTS synthetic oil assures top performance and warranty acceptance for lubricants.



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
Connections in standard pipe sizes
Balanced, precision machined bi-lobe impellers
Ground steel shafts