AWWA/ANSI250PsiNon-RisingStemResilientSeatedGateValve设计标准Design:AWWAC515/C509250Psi结构长FacetoFace:ANSIB16.10法兰标准Flanges:ANSIB16.1Class125阀体Body:球铁DL;闸板Wedge:球铁DL+EPDM阀杆Stem:StailessSteel环氧树脂喷涂Productcolor:BlueRAL5017)