国标法兰尺寸标准

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1、最新国标GB法兰标准凸面平焊钢制管法兰PNl.OMPa(lObar)MM公称管子连接尺寸密封尺寸法兰法兰法兰通径DN外径A法兰管径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2螺栓、!数量n螺柱螺纹Th.系列1/系列2df厚度C内径B理论重量kg10149060144M1240212150.4615189565144M1245212190.51202510575144M1255214260.75253211585144M1265214330.893238140/135100184M1678216391.404045150

2、/145110184M1685318461.715057165/160125184M16100318592.096573185/180145184M16120320752.848089200/195160184M16135320913.24100108220/215180188M161553221104.01125133250/245210188M161853241355.40150159285/2802402317519431027023200219340/3352952322524536532523250273395/390350

3、23300325445/44040023350377505/5004602340042656551526/2545048061556526/2550053067062026/2560063078072530700720895840308008201015/1010950349009201115/1110105034100010201230/1220116036/34110011201340127036120012201455/1450138039/418M2021038M2024038M2026538M20295312M2032031

4、2M20368416M20428416M24/M22482420M24/M22532420M24/M22585420M27685524M27800524M30905528M301005528M33/M301115528M331222532M36132551616.671967.44222&242489.3027610.7032812.9038016.9043021.8048424.4053427.7063439.40715538176791876参考102090参考125参考1223143参考凸面平焊钢制管法兰PN1.6MPa(16b

5、ar)MM公称管子连接尺寸通径外径法兰管径螺栓孔中心圆直螺栓孔直径DNAD径L系列1/系列2K系列1/系列21014906014151895651420251057514253211585143238140/135100184045150/145110185057165/160125186573185/180145188089200/19516018100108220/21518018125133250/24521018150159285/2802402317519431027023200219340/33529523密封尺寸法兰法兰

6、法壬螺栓、螺柱df厚度内径理论CB重量数量螺纹Th.kgn系列1/系列24M1240214150.554M1245214190.714M1255216260.874M1265218331.184M1678218391.604M1685320462.004M16100322592.614M16120324753.458M16135324913.718M161553261104.808M161853281356.478M202103281617.928M20240328196&8112M2026533022210.102252453653

7、25231225027340535526/251230032516041026/251235037752047026/251640042658052530164504806405853020500530715/705650342060063084077036/412070072091084036/41248008201025/102095039/41249009201125/1120105039/4128100010201255117042/482811001120137012804228120012201485139048/5432

8、M2029533024811.70M24/M2232033227615.70M24/M223754323281&10M24/M2243543438023.30M2748543843031.00M2754544248440