SocketEndsNon-RisingResilientSeatedGateValve设计标准Design:DIN3352/SABS664结构长FacetoFace:DIN3202F5/SABS664阀体Body:球铁GGG50;闸板Wedge:球铁DL+EPDM/NBR阀杆Stem:AISI420/2CR13;阀盖Bonnet:球铁GGG50;压力:PN16环氧树脂喷涂Productcolor:BlueRAL5017)