ROOTS™ 47 Universal RAI-G™ Blower
Model: 47 URAI-G
Engineered for industrial gas handling systems, the ROOTS™ 47 URAI-G blower provides airflow to 523 CFM, pressure to 7 PSI, vacuum capability to 15" Hg, and operating speeds up to 3600 RPM. This URAI-G Frames 32 thru 615 rotary blower incorporates mechanical seals, ground steel shafts, anti-friction bearings, and a cast iron casing for continuous-duty leak-tested performance.
Technical Details
ROOTS™ 47 URAI-G Blower
Model: Roots Blower Model 47 URAI-G
Flow Range: to 523 CFM
Max Δ Pressure: 7 psi
Max Δ Vacuum: 15″ Hg
Max ΔT: 225˚F
Connection Size: 3″ FPT
Shaft Diameter: 0.875″
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: 14.5 ounces
Required Oil for Gear End Vertical Unit: 12.7 ounces
Unit Weight: 128 pounds (58.1 kg)
47 URAI-G Blower Design & Construction Features
Mechanical seals
Rigid one-piece cast iron casing
Anti-friction bearings
Splash oil lubricated spur timing gears
Straight precision-machined two-lobe impellers
Ground steel shafts
Detachable steel mounting feet
Standard pipe size connections
1/8″ NPT purge ports for seal gas applications