Graco JS40L0 High Flo 4 Ball Pump, SST, 4:1, Low Noise Exhaust, Open Wet Cup SST Lower, Tri Clamp Fittings, Ultralife Rod Cylinder 19 0 cfm which means longer lasting abrasives Two Stage which means longer lasting abrasives and less rework Air Exhaust Port Size (in) 3 8 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 1 4 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material Urethane Duckbill Center Section Material Polypropylene Compressor Required Yes Diaphragm Compatible Material Buna N Diaphragm Material Buna N Fluid Inlet Size (in) 1 2 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type BSPT Fluid Outlet Size (in) 1 2 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type BSPT Fluid Section Material Polypropylene Manifold Configuration Center Port Material Polypropylene Maximum Air Consumption (SCFM) 28 Maximum Air Pressure (psi) 100 Maximum Cycle Rate (CPM) 400 Maximum Flow Rate (GPM) 15 Maximum Fluid Pressure (psi) 100 Maximum Operating Temperature (°F) 180 Maximum Solid Size (in) 0 Tri Clamp Fittings Low Noise Exhaust) delivers high volume fluid transfer with an open wet cup SST lower