美标通径球阀MISS/ANSIFullBoreCastIronBallValve设计标准Design:MSSSP-72结构长FacetoFace:ANSIB16.10法兰标准Flanges:ANSIB16.1阀体Body:灰铁A126B/球铁A53665-45-12;球ball:AISI410/AISI304阀杆Stem:SSAISI410手柄Lever:A53665-45-12环氧树脂喷涂Productcolor:BlueRAL5017DIN3357ReducedBoreCastIronBallValve)