- Removable steel mounting feet for flexible setup
- Solid one-piece cast iron housing
- Heavy-duty anti-friction bearings
- Splash-lubricated precision spur timing gears
- Standard-sized pipe connections for easy integration
Universal RAI (URAI) Rotary Positive Blower
Heavy-duty, flexible bi-lobe rotary blowers
The Roots® Universal RAI™ series features robust rotary blowers built for tough applications. Designed with removable steel mounting feet, they offer quick in-field configuration for either horizontal or vertical setup. These units also support four different drive shaft orientations—top, bottom, left, or right—making them highly adaptable.
Categories: PD Blowers, URAI Series
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Heavy-duty, flexible bi-lobe rotary blowers
The Roots® Universal RAI™ series features robust rotary blowers built for tough applications. Designed with removable steel mounting feet, they offer quick in-field configuration for either horizontal or vertical setup. These units also support four different drive shaft orientations—top, bottom, left, or right—making them highly adaptable.
- Smart, cost-efficient engineering
- Pressure capability up to 15 psig (1034 mbar)
- Vacuum range up to 16” Hg (542 mbar)
- Handles airflow up to 2460 cfm (4180 m³/hr)
- Available with metric shaft and piping options
Key Features
Benefits
- Flexible Installation: Mounting feet can be positioned to suit any of the four drive shaft orientations—right, left, top, or bottom.
- Built to Last: Compact yet tough build designed for reliable performance within rated speed and pressure limits.
- Strong Internal Components: Features a rugged cast iron housing, high-strength alloy gears, and durable impellers.
- Reinforced Bearing Design: Oversized bearings, including a cylindrical roller bearing, provide extra support for belt-driven loads.
- Optimized Gearbox Lubrication: Unique “figure-eight” gear chamber design helps distribute oil evenly, extending the life of gears and bearings.
- Reliable Operation: Combination of splash oil and grease lubrication ensures smooth, efficient performance.
- Tested for Quality: Each unit is coated, tested, and packaged carefully to maintain quality from factory to field.
- Performance Add-ons: A full range of accessories is available to fine-tune performance to your application’s needs.