Roots RAI Rotary Lobe Blowers
Original RAI frame — legacy and replacement service.
Overview
The predecessor to the Universal RAI. We keep spares and rebuild-ready cores in stock to support installed base that hasn't yet migrated to the URAI footprint.
Key features
- Direct rebuild path — no need to re-engineer piping
- URAI upgrade path also available
- Genuine Roots parts in stock
Available models
Representative sizing across the range. Our applications team confirms the right frame for your operating point.
| Model | Flow (ICFM) | Max Pressure / Vacuum | Notes |
|---|---|---|---|
| RAI 32 – 718 | 12 – 3,900 | 15 PSIG | Full frame range |
Related products
Talk to an Expert
Ready to specify?
Tell us the flow, pressure and gas conditions — we'll come back with a right-sized recommendation, package options and lead time.
(800) 955-6188Roots RAI Rotary Lobe Blowers SKUs
25+ — engineered to your operating point.
Fast Response
Applications engineers on the line Mon–Fri, 7am–5pm PT.
Ready to move on your project?
Send us your operating conditions or a P&ID. Our applications team responds within one business day with sizing, package options and lead time.
- Flow, pressure and gas conditions review
- Frame size and drive recommendation
- Package, enclosure and accessory options
- Lead time and firm quote