Graco 233501 1:1 NPT SST Bare Triton Air Operated Diaphragm Pump Horsepower_5.00 HP BN in the parts diagram) P0463015 BN in the parts diagram) is a manifold O rings kit made with Buna N material High temperature safety switch Air Inlet Size (in) 1 4 Air Inlet Thread Type NPT Application Circulation Connection Type Threaded Fluid Inlet Size (in) 3 4 Fluid Inlet Thread Type NPT Fluid Outlet Size (in) 3 8 Fluid Outlet Thread Type NPT Manifold Configuration Center Port Material Stainless Steel Maximum Air Pressure (MPa) 0 8 Maximum Fluid Pressure (psi) 115 Maximum Operating Temperature (°F) 176 Minimum Operating Temperature (°F) 50 Model Triton Power Source Air Pump Ratio 1:1 Series 308 Type Pneumatic Diaphragm Pump Weight (lb) 14 Wetted Material Aluminum