615 URAI - Roots Blower - 65118020 B-L-T-R Dresser ROOTS

615 URAI


The 615 URAI blower has a 6 inch gear and a 15 inch rotor length. The connection is a 6 inch flange with a shaft diameter of 1.375 inches. Please refer to the installation and operation manual for more technical information about model 615 URAI. For better assistance with ordering model 615 URAI please contact air blower services.

Reference BOM #65118020 or 615 URAI

URAI Roots Blowers Model 615 URAI
Flow Range: to 1583 CFM
Max Δ Pressure: 7 psi
Max Δ Vacuum: 12″ Hg
Max RPM: 2350
Min RPM: 636
Max ΔT: 130˚F
Connection: 6″ Flange
Shaft Dia.: 1.375″
Drive End Lubrication: Grease
Gear End Lubrication: Oil
Required Oil for Gear End Horizontal Unit: 52.1 ounces
Required Oil for Gear End Vertical Unit: 28.3 ounces
Unit Weight: 425 pounds (193.2 kg)
Shipping Skid Size (LxWxH): 54″x29″x31″ (1372mmx737mmx787mm)
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