Description
Roots Blower Model 47 URAIFlow Range: to 523 CFM
Max Δ Pressure: 7 psi
Max Δ Vacuum: 15" Hg
Max RPM: 3600
Min RPM: 848
Max ΔT: 225˚F
Connection: 3” FPT
Shaft Dia.: 0.875
Drive End Lubrication: Grease
Gear End Lubrication: Oil
Required Oil for Gear End Horizontal Unit: 22.8 ounces
Required Oil for Gear End Vertical Unit: 12.7 ounces
Unit Weight: 128 pounds (58.1 kg)
Shipping Box Size (LxWxH): 17"x15.5"x12" (432mmx394mmx305mm)
Shipping Container: Cardboard Box with formed foam
Common carrier is recommended
Roots Bill of Material (BOM) Number: 65110020
Documents
Performance Curves
- Roots Universal RAI® Frame 47 Vacuum Performance Curve
- Roots Universal RAI® Frame 47 Pressure Performance Curve

