460 CFM

4″ hose size

* Natural or forced convection air cooling
* Incorporated lubricating pump
* Incorporated check valve
* Incorporated change-over valve
* Asbestos-free spark-proof vanes

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Free air capacity cfm 460
Air capacity at 15″ Hg/50% vacuum cfm 388
Maximum vacuum Hg 28″
Maximum pressure psig 14.5
Power required at 15″ of vacuum hp 18.8
Power required at maximum pressure hp 38
Rotation speed r.p.m. 1100
Oil tank capacity USA gal 0.924
Oil consumption USA gal/h 0.063
Weight Lbs 441
Sound pressure at 7meters (23 ft) 60 % vacuum dBA 80