ROOTS™ Universal 615 URAI
Model: 615 URAI
The ROOTS™ Universal 615 URAI, part of RPD Blower Frames 22 thru 718, is engineered for high-volume industrial airflow applications with capacities to 1583 CFM. Precision-machined involute impellers, carburized alloy steel timing gears, and oversized anti-friction bearings support continuous-duty operation, while synthetic blower oil provides an estimated 4000–8000 hour lubricant life at approximately 180°F operating temperature.
Technical Details
Universal RAI Blower
Roots Blower 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 Size: 6″ Flange
Shaft Diameter: 1.375″
Drive End Lubrication: Grease
Gear End Lubrication: Oil
Required Oil – Horizontal Unit: 52.1 ounces
Required Oil – Vertical Unit: 28.3 ounces
Unit Weight: 425 lbs (193.2 kg)
615 URAI Blower Design & Construction Features
Frames 22 thru 718 blower platform
Steel detachable mounting feet
Rigid one-piece cast iron casing
Balanced precision-machined bi-lobe impellers
Ground steel shafts
Carburized and ground alloy steel spur timing gears
Oversized anti-friction bearings
Cylindrical roller bearing designed for V-belt loads
Thrust control configuration
Splash oil lubricated gear end
Grease lubricated drive end
Vertical and horizontal mounting adaptability
Standard industrial connection sizing
Warranty Information
ROOTS™ Universal RAI® blowers are designed for continuous-duty industrial service and support extended operational reliability when maintained with recommended synthetic lubricants and scheduled lubrication intervals.