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1、法兰垫片尺寸表公称通径压力压力压力压力压力压力DN400425X463425X 463425X480425X480425X503425X 473DN450480X 518480X 518480X 530480X548480 X 548480X 523DN500530X 568530X 568530X 582530X609530 X 609530X 575DN600630X 667630X 667630X 682630X 720630X720630X 675DN700720X 772720X 772720X 794720X794720X820DN800820X 878820X 878820X 9
2、01820X901820X928DN900920X 978920X 978920X 1001920X1001920X1028DN10001020X10781020X 10781020X 11121020X 11121020X 1140DN12001220X12801220X12951220X13281220X 1328DN14001420X 14801420X 15101420X15301420X 1530DN16001620X16901620X17101620X17501620X 1750DN18001820X18901820X 19181820X19501820X 1950DN20002020X 20902020X 21252020X 21502020X 2150DN22002220X 22952220X 2335DN24002420X 24952420X 2545DN26002620X 26952620X 2750DN28002820X 29102820X 2960DN30003020X 31103020X 3160