阀体:WN1.0619,WN1.7357orWN1.4581A216WCC,A217WC6orA351CF8M阀芯/阀座:WN1.4006,WN1.4008orWN1.4571填料:V-ringpackingPTFEwithcarbon,PackingspringofstainlesssteelWN1.4310High-temperaturepacking波纹管:WN1.4571)