AS2638.2Non-RisingStemResilientSeatedGateValve设计标准Design:AS2638.2结构长FacetoFace:AS2638.2法兰标准Flanges:AS2129TableE阀体Body:AS1831500-7;闸板Wedge:球铁DL+EPDM/NBR阀杆Stem:AISI420/2CR13;压力:PN16环氧树脂喷涂Productcolor:BlueRAL5017)