PN25/PN16 metal seated Butterfly valve DIN EN 593, main structural features of the German standard series of butterfly valves are wafer type and flange type, adopting Triple Offset sealing form, and the valve seat sealing ring adopts a multi-layer sealing structure compatible with soft and hard, and its sealing performance is reliable, ensuring that the butterfly plate does not touch the sealing seat when it is opened , Eliminate the uneven load of the sealing seat, prolong the service life, ensure reliable sealing performance, and have the advantages of high temperature resistance, wear resistance and corrosion resistance. German standard butterfly valves are widely used in petroleum, chemical and industrial environmental protection water treatment, high-rise buildings, water supply and drainage and other pipelines.
