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ROOTS™ 45 Universal RAI-G™ Blower

Model: 45 URAI-G

The ROOTS™ 45 URAI-G gas blower is engineered for continuous-duty gas handling systems with airflow to 395 CFM, operating pressures to 10 PSI, vacuum capability to 15" Hg, and maximum speeds of 3600 RPM. Built within the URAI-G Blowers Frames 32 thru 615 series, this heavy-duty rotary blower features mechanical seals, precision-machined two-lobe impellers, anti-friction bearings, 1/8″ NPT purge ports, and a rigid cast iron casing for dependable leak-tested industrial gas transfer performance up to 225°F.

Key Specifications
Max Flow
395 CFM
Max Pressure
10 PSI
Max Vacuum
15" Hg
Maximum RPM
3600 RPM
Minimum RPM
848 RPM
Manufacturer
Roots
IO&M Manuals
Literature

Technical Details

ROOTS™ 45 URAI-G Blower
Model: Roots Style Blower Model 45 URAI-G
Flow Range: to 395 CFM
Max Δ Pressure: 10 psi
Max Δ Vacuum: 15″ Hg
Max ΔT: 225˚F
Connection Size: 2.5″ 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: 109 pounds (49.5 kg)

45 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