Reach Out to Us
The Roots® Universal RAI Series is a proven line of universal rotary blowers designed for applications that require consistent, pulse-free air movement. Built with a compact, durable cast-iron construction and bi‑lobe impellers, these positive displacement blowers deliver dependable performance across a wide range of pressures and flows. Flexible mounting options and robust internal components make the URAI Series a strong fit for facilities that need reliable, continuous operation.
Cost effective design
Pressures to 15 psig (1034 mbar)
Vacuums to 16” Hg (542 mbar)
Flows to 2460 cfm (4180 m3/hr)
Available with metric driveshaft and pipe connections
Pressures to 15 psig (1034 mbar)
Vacuums to 16” Hg (539 mbar)
Flows to 1740 cfm (2956 m3/hr)
Available with metric drive shaft and pipe connections
Pressures to 15 psig (1034 mbar)
Vacuums to 16” Hg (539 mbar)
Flows to 630 cfm (1070 m3/hr)
Available with metric drive shaft and pipe connections
Pressures to 15 psig (1034 mbar)
Vacuums to 16” Hg (539 mbar)
Flows to 1740 cfm (2956 m3/hr)
Pressures to 15 psig (1034 mbar)
Vacuums to 16” Hg (539 mbar)
Flows to 630 cfm (1070 m3/hr)
Available with metric drive shaft and pipe connections
Roots® rotary lobe blowers are ideal for:
Understanding Universal Rotary Blowers
A universal rotary blower uses bi-lobe impellers to move air or gas at consistent flow rates, making it suitable for applications requiring steady, reliable air movement. The Universal RAI Series provides multiple configurations to match different pressure, vacuum, and flow requirements.
| Model | Max Pressure | Max Vacuum | Max Flow |
|---|---|---|---|
| URAI | 15 psig | 16" Hg | 2460 cfm |
| URAI-DSL | 15 psig | 16" Hg | 1740 cfm |
| URAI-J | 15 psig | 16" Hg | 630 cfm |
| URAI-G | 15 psig | 16" Hg | 1740 cfm |
| URAI-J DSL | 15 psig | 16" Hg | 630 cfm |
Explore Related ROOTS® Blower Resources
