ROOTSâ„¢ 59 Universal RAI-Gâ„¢ Blower
Model: 59 URAI-G
The ROOTS™ 59 URAI-G gas blower is engineered for continuous-duty industrial gas handling systems requiring dependable airflow to 857 CFM, operating pressures to 7 PSI, vacuum capability to 15" Hg, and maximum speeds to 2850 RPM. Designed within the URAI-G Blowers Frames 32 thru 615 series, this heavy-duty rotary blower features precision-machined two-lobe impellers, mechanical seals, 1/8″ NPT purge ports, anti-friction bearings, synthetic grease drive-end lubrication, splash oil lubricated timing gears, and a rigid cast iron casing for leak-tested performance and operational reliability up to 225°F.
Technical Details
ROOTSâ„¢ 59 URAI-G Blower
Model: Roots Model 59 URAI-G
Flow Range: to 857 CFM
Max Δ Pressure: 7 psi
Max Δ Vacuum: 15″ Hg
Max RPM: 2850
Min RPM: 763
Max ΔT: 225˚F
Connection Size: 4″ FPT
Shaft Diameter: 1.125″
Mechanical Seals: Yes
Purge Ports: 1/8″ NPT for buffer or seal gas
Leak Test: 15 psig static leak test
Drive End Lubrication: Synthetic Grease
Gear End Lubrication: Oil
Required Oil for Gear End Horizontal Unit: 27.6 ounces
Required Oil for Gear End Vertical Unit: 16 ounces
Unit Weight: 204 pounds (92.7 kg)
59 URAI-G Blower Design & Construction Features
Mechanical seals for reliable gas containment
Rigid one-piece cast iron casing
Splash oil lubricated spur timing gears
Oversized anti-friction bearings
Straight precision-machined two-lobe impellers
Ground steel shafts for operational stability
Cylindrical roller bearing for V-belt load resistance
Detachable steel mounting feet
Standard pipe size connections
1/8″ NPT purge ports for seal gas applications
Leak-tested construction for industrial gas handling systems