150 psi/10.3 bar saturated steam to 366 Degree F/185 Degree C;300 psi/20.7 bar non-shock cold working pressure;Integral seat;Union bonnet;Renewable PTFE seat disc;Class 150 threaded end connections;Use in U.S. drinking water applications is prohibited after January 3, 2014;Dezincification resistant;Conforms to MSS SP-80