Swing Check Valve, Valve Class Class 150, Body Material – Valves CF8M Stainless Steel, Connection Type Flange, Pipe Size – Valves 1/2 In., Max. Water Pressure – CWP 275 psi, Max. Working Steam Pressure – WSP 150 psi, Valve Max. Fluid Temp. 450 Degrees F, Top of Flange Cover to Inlet Center 2.01 In., Inlet to Outlet Length 4.25 In., Disc Material CF8M Stainless Steel