718 URAI - Roots Blower 65122020 B-L-T-R Positive Displacement Blower - Dresser ROOTS

718 URAI


The 718 URAI blower has a 7 inch gear and a 18 inch rotor length. The connection is a 8 inch flange with a shaft diameter of 1.562 inches. Please refer to the installation and operation manual for more technical information about model 718 URAI. For better assistance with ordering model 718 URAI please contact air blower services.

Reference BOM # 65122020 B-L-T-R or 718 URAI

Roots Model 718 URAI
Flow Range: to 2316 CFM
Max Δ Pressure: 7 psi
Max Δ Vacuum: 12″ Hg
Max RPM: 2050
Min RPM: 545
Max ΔT: 130°F
Connection: 8″ Flange
Shaft Dia.: 1.562″
Drive End Lubrication: Grease
Gear End Lubrication: Oil
Required Oil for Gear End Horizontal Unit: 59.5 ounces
Required Oil for Gear End Vertical Unit: 32.3 ounces
Unit Weight: 650 pounds (295.5 kg)
Shipping Skid Size (LxWxH): 54″x32″x29″ (1372mmx813mmx737mm)
Shipping Container: Wood skid, open, blower lagged to skid


Frame Sizes:





ROOTS™ URAI 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.



Detachable steel mounting feet
Rigid one-piece cast iron casing
Anti-friction bearings
Thrust Control
Splash oil lubricated spur timing gears
Connections in standard pipe sizes
Straight, precision machined two-lobe impellers
Ground steel shafts