公称通径:DN15to150or1/2”to6”材质:阀体:Castiron,Ductileiron,Caststainlesssteel内衬:Butyl,ETFE,Ebonite,Enamel膜片:Butyl,FPM/FKM,Ethylenepropylene,PTFE/Butyl公称压力:Nominalpressures:DINPN10barANSIClass150Lbs适用温度:)