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ROOTS TRI-RAM MODEL
Description:
Tri-RAM tri-lobe rotary blowers are heavy-duty units with high strength integral-shaft ductile iron impellers designed for maximum efficiency. The blowers feature Roots WHISPAIR discharge design which, when combined with tri-lobe impellers, delivers quieter operation than conventional tri-lobe blowers.
The headplates and rigid, one-piece cylinders are cast iron, and the drive-end and gear cover are aluminum (cast iron for models 722 - 832). Carburized and ground alloy steel spur timing gears are taper mounted on the shafts and are secured with a locknut (bolt for models 826 and 832). Cylindrical roller bearings are used to accept side loads from v-belt drives.
Piston rings reduce air leakage through the shaft openings in the headplates and hydrodynamic oil seals prevent lubricant from entering the air chamber. Tri-RAM blowers incorporate thrust control, with splash oil lubrication at both ends of the blower.
Design Features:
- Tri-lobe impellers for less vibration and minimal downstream pulse
- WHISPAIR* discharge design combined with tri-lobe impellers for quieter operation than conventional tri-lobe blowers
- Carburized and ground alloy steel timing gears for long life and consistent performance
- Cylindrical roller bearings for longer bearing life
- Piston ring seals for less air leakage
- Splash lubrication from oil sumps with sight glasses on each end for easy maintenance
- Detachable feet and drive shaft extension to adapt to horizontal or vertical configuration
