Graco D52955 Husky 515 PP 1 2 in NPT Standard Pump, PP Center Section, PP Seats, TPE Balls & TPE Diaphragm 3400 psi Enhanced Longevity Use independently on bench Enhanced Longevity Rugged Design 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 TPE (Hytrel) Center Section Material Polypropylene Compressor Required Yes Diaphragm Compatible Material TPE Diaphragm Material TPE (Hytrel) Fluid Inlet Size (in) 1 2 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type NPT Fluid Outlet Size (in) 1 2 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT Fluid Section Material Polypropylene Manifold Configuration Center Port Manifold O Ring Material PTFE 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) 150 Maximum Solid Size (in) 0 4 Minimum Operating Temperature (°C) 4