GOST-12821-flange-dimensions-WELD-NECK-FLANGE-PN40-4Mpa参考标准规范

HEBEI HAIHAO GROUPISO,ABS.CE/PED APPROVEDHHDMengcun,Cangzhou,Hebei,ChinaProfessional Steel Piping SolutionHAIHAO GROUPwww.haihaopiping.comEmail:sales@haihaogroup.comGOST /TOCT 12821 Welding neck flange Dimensions.PN40-4.0Mpa001n Or8.Od0d10D200PN40-4.0MpaDimensions in mmDn,MMD,MMD1,MMd,MMDm,MMDn,MMd1,MMb,MMh4,MM$g15956514301912143340.79201057514382618143440,9725115851445332514361.183213510018563931164341834014511018644638164542,19501601251876584817452,816518014518967766195083.7180195160181129078215584.801002301902213811096236587.40125270220261601351202565810.00150300250261861611452768813.032003753203025022220035851224.442504453853331027825239981237.5930051045033368330301421121657.1035057051033418382351481161670.34400655585394804323985413516106.7650075567045580535495581402013233600890795526866365955814020180.9580011351030569088267957119024343.6910001360125056114010289957723528540.75120015751460621350122811958025032690.59