| PB-8 1000 RPM Vacuum Pump Displacement: 284 CFM Free Air - 265 CFM A 15" Input Speed: 1000 RPM (+/- 20% maximum) Lubrication: Positive displacement pressure wash lubricants, vacuum assisted. Lubricating pump driven from pump rotor shaft to ensure adequate lubrication regardless of pump speed. Lube System: Automatic lubrication from pump cooling oil system Cooling: Industrial-rated oil-cooled with built-in circulation pump. Water cooled unit is optional. Dry Weight: 450 lbs. Shaft Rotation: Looking at the pump input shaft rotation is counter-clockwise. Changeover Valve: Built-in manual changeover valve to allow for operation on either vacuum (load) or pressure (unload) modes. Horsepower: 20hp minimum required for operation to normal pressure. Vacuum Rating: 95% of maximum obtainable vacuum, normal 29.5" hg. Normal pressure to 15 PSI. Dimensions: Length 29.630" x Width 14.500" (21.845" with handle in "neutral") x Height 22.630" |