ROOTSâ„¢ 56 Universal RAI-J DSL Blower
Model: 56 URAI-J DSL
The ROOTS™ 56 Universal RAI-J™ DSL blower is engineered for quieter continuous-duty industrial airflow applications with capacities up to 580 CFM, operating pressures to 13 PSI, vacuum capability to 15″ Hg, and speeds to 2850 RPM. Designed within the URAI-J™ DSL Frames 33J through 56J series, this heavy-duty rotary positive blower features dual splash lubrication on both gear and drive ends, cast iron involute impellers, carburized alloy steel timing gears, oversized anti-friction bearings, and ROOTS’ exclusive figure-eight gearbox design to reduce vibration, minimize pulsation, improve lubrication flow, and extend bearing and gear life for demanding industrial air systems.
Technical Details
ROOTSâ„¢ 56 Universal RAI-J DSL
Model: Roots Model 56 URAI-J-DSL
Flow Range: to 580 CFM
Max Δ Pressure: 13 psi
Max Δ Vacuum: 15″ Hg
Maximum RPM: 2850
Minimum RPM: 763
Max ΔT: 225˚F
Connection Size: 4″ FPT
Shaft Diameter: 1.125″
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Required Oil Gear End Horizontal Unit: 27.6 ounces
Required Oil Drive End Horizontal Unit: 14.8 ounces
Required Oil Gear End Vertical Unit: 16 ounces
Required Oil Drive End Vertical Unit: 7.5 ounces
Unit Weight: 185 pounds (84.1 kg)
56 URAI-J DSL Blower Design & Construction Features
Lower air pulsation
Longer bearing life
Lower vibration
Lower operational noise
Rigid cast iron casing with computer-designed relief for noise suppression
Dual splash lubrication on gear and drive ends
Precision cast iron involute impellers
Carburized and ground alloy steel spur timing gears
Oversized anti-friction bearings
Cylindrical roller bearing for V-belt load resistance
Rugged detachable steel mounting feet
ROOTS exclusive figure-eight gearbox design
3/8″ oil level sight glasses for lubrication monitoring