Graco 1053,METERING ROD,2S TYPE,.188OD,1.00 ST .035 SIMPSON™ 420cc engine with a See Owner s Manual SIMPSON™ 420cc engine with a low oil shutdown feature Air Exhaust Port Size (in) 3 4 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 1 2 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material Santoprene Center Section Material Polypropylene Diaphragm Compatible Material Santoprene Diaphragm Material Santoprene Fluid Inlet Size (in) 1 Fluid Outlet Size (in) 1 Fluid Section Material Polypropylene Manifold Configuration Center Port Manifold O Ring Material PTFE Material Polypropylene Maximum Air Consumption (SCFM) 67 Maximum Air Pressure (psi) 125 Maximum Cycle Rate (CPM) 280 Maximum Flow Rate (GPM) 50 Maximum Fluid Pressure (psi) 125 Maximum Operating Temperature (°F) 150 Maximum Solid Size (in) 0 Enhanced Durability: Helps improve the overall efficiency of fluid delivery systems