GB9119，2—88in3/81/23/4111/41/2221/2331/24568101214161820241GB9119，2—8816kg=1.6MPa法兰厚度公称通径法兰外径螺栓孔距螺栓直径公称通径法兰外径10kg=1.0MPa螺栓孔螺栓直距径螺栓孔数DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN450DN500DN6005059105115140150165185200220250285340395445505565615670780606575851001101251451601802102402953504004605155656207251414141418181818181818222222222226262626JIS标准4444444488888121216162020201414161618182020202222242426283032353842DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN450DN500DN6009095105115140150165185200220250285340405460520580640715840606575851001101251451601802102402953554104705255856507701414141418181818181818222226262630303336JIS标准公称通径法兰厚度16kg=1.6MPa法兰外径螺栓孔距螺栓直径in3/81/23/4111/411/2221/2331/24568公称通径法兰外径10kg=1.0MPa螺栓孔螺栓直距径螺栓孔数DN10DN15DN20DN25DN32DN40DN50DN65DN80DN90DN100DN125DN150DN2001401551751851952102502803301051201401501601752102402901919191919192323234448888812161618181818202222DN10DN15DN20DN25DN32DN40DN50DN65DN80DN90DN100DN125DN150DN20014015517520021022527030535010512014016017018522526030519191922222225252510121416182024DN250DN300DN350DN400DN450DN500DN600400445490560355400445510252525271216161624242628DN250DN300DN350DN400DN450DN500DN60043048054060538043048054029293235ANSI标准125型in3/81/23/4111/411/2212/23456810121416182024公称通径10kg=1.0MPa法兰外径螺栓孔螺栓直距径螺栓孔数法兰厚度公称通径ANSI标准150型16kg=1.6MPa法兰外径螺栓孔距螺栓直径DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN450DN500DN60012715217819022925427934340648353359798.5120.5139.5152.5190.5216.5241.5298.5362.5432476.5539.5161919191922222225252929444488881212121614.315.917.519.123.923.925.428.630.231.83536.6DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN450DN500DN60012715217819022925427934340648353359798.5121.5139.5152.5190.5216.5241.5298.5362.5432476.5539.5161919191922222225252929螺栓配套孔距对比表螺栓孔距直径螺栓公称直径1114M10M1218（19）M1622（23）M2030333626（28）（31）（34）（37）M24M27M30M33，2—88
MPa螺栓孔数法兰厚度444444448888812121616202020标准
MPa螺栓孔数1414161618182020202222242629323538424652JIS标准公称通径法兰厚度20kg=2.0MPa法兰螺栓孔螺栓螺栓外径距直径孔数法兰厚度DN10DN15DN20DN25DN3248888881212161618202022222426DN40DN50DN65DN80DN90DN100DN125DN150DN200140155175200210225270305350105120140160170185225260305191919232323252525488888812121818202224242628301216161628303438DN250DN300DN350DN400DN450DN500DN600430480540605380430480540292933331216161634364046标准150型
MPa螺栓孔数法兰厚度公称通径ANSI标准300型20kg=2.0MPa法兰螺栓孔外径距螺栓直径螺栓孔数法兰厚度444488881212121617.519.122.323.923.923.925.428.630.231.83536.6DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN450DN500DN600156165190210254279318381444521584648114.5191272214922168222002223522270 2 233025387.52945132514.532571.53 548888812121616202018182022242628303436404639（40）M36