Roots Universal RAI-G (Gas Service)
Gas-tight construction for landfill, biogas and process gas.
Overview
The URAI-G is the gas-service variant of the Universal RAI. Double-lip shaft seals, splash lubrication on both ends, and a purge port option let it move landfill, digester and process gases without leaking to atmosphere.
Key features
- Double-lip shaft seals rated for gas service
- Nitrogen purge port option for buffered service
- Dual splash lubrication on both bearing ends
- Common in Class I Div 2 packaged installations
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 |
|---|---|---|---|
| URAI-G 32 | 12 – 105 | 15 PSIG | — |
| URAI-G 36 | 35 – 235 | 15 PSIG | — |
| URAI-G 45 | 42 – 300 | 15 PSIG | — |
| URAI-G 56 | 80 – 570 | 15 PSIG | — |
| URAI-G 65 | 140 – 900 | 15 PSIG | — |
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 Universal RAI-G (Gas Service) SKUs
12+ — 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