Bronze Gate Valves Valves act as a positive shutoff and can be used fully open or fully closed. Bronze disc, wedge, stem, and bonnet. Full port. For use in steam, water, and compressed air applications. Meet MSS SP-80 standards. Class 300 Max. pressure: 300 psi steam; 1000 psi WOG (rising) Max. temp.: 550°F This listing is for each. Technical Specification Item Gate Valve Valve Class Class 300 Body Material - Valves Bronze Connection Type FNPT Pipe Size - Valves 3/4 in Max. Water Pressure - CWP 1, 000 psi Max. Working Steam Pressure - WSP 300 psi Valve Max. Fluid Temp. 550 Degrees F Valve Stem Type Rising Top of Handle to Inlet Center 6 1/4 in Inlet to Outlet Length 2 1/2 in Stem Material Bronze Bonnet Style Union Wedge Material Bronze Handle Material Malleable Iron Handle Type Hand Wheel Standards MSS-SP-80