ANSI125/150Non-RisingStemMetalSeatedGateValve设计标准Design:MSSSP-70结构长FacetoFace:ANSIB16.10法兰标准Flanges:ANSIB16.1阀体Body:灰铁ASTMA126B;闸板Wedge:灰铁ASTMA126B;阀杆Stem:AISI420/2CR13;环氧树脂喷涂Productcolor:BlueRAL5017)