DIN3352F4Non-RisingStemMetalSeatedGateValve设计标准Design:DIN3352结构长FacetoFace:DIN3202F4法兰标准Flanges:EN1092-2PN10阀体Body:灰铁EN-GJL-250;闸板Wedge:灰铁EN-GJL-250;阀杆Stem:AISI420/2CR13;阀盖Bonnet:灰铁EN-GJL-250;压力:PN10环氧树脂喷涂Productcolor:BlueRAL5017)