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法兰规格尺寸表国标美标.docx

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法兰规格尺寸表（国标，美标） 表中收集（国标、美标）常用法兰规格尺寸 GB9119，2—88GB9119，2—88in公称通径10kg=1.0MPa公称通径16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10506014414DN109060144141/2DN15596514414DN159565144143/4DN201057514416DN2010575144161DN251158514416DN25115851441611/4DN3214010018418DN321401001841811/2DN4015011018418DN40150110184182DN5016512518420DN501651251842021/2DN6518514518420DN65185145184203DN8020016018820DN802001601882031/2DN10022018018822DN100220180188224DN12525021018822DN125250210188225DN15028524022824DN150285240228246DN20034029522824DN200340295228268DN250395350221226DN25040535526122910DN300445400221228DN30046041026123212DN350505460221630DN35052047026163514DN400565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN600840770362052 ANSI标准125型ANSI标准150型in公称通径10kg=1.0MPa公称通径16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10DN101/2DN15DN153/4DN20DN201DN25DN2511/4DN32DN3211/2DN4012798.516414.3DN4012798.516417.52DN50152120.519415.9DN50152121.519419.121/2DN65178139.519417.5DN65178139.519422.33DN80190152.519419.1DN80190152.519423.94DN100229190.519823.9DN100229190.519823.95DN125254216.522823.9DN125254216.522823.96DN150279241.522825.4DN150279241.522825.48DN200343298.522828.6DN200343298.522828.610DN250406362.5251230.2DN250406362.5251230.212DN300483432251231.8DN300483432251231.814DN350533476.5291235DN350533476.529123516DN400597539.5291636.6DN400597539.5291636.618DN450DN45020DN500DN50024DN600DN600 ANSI标准300型公称通径20kg=20bar=2.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度DN10DN15DN20DN25DN32DN40156114.519418DN5016512722818DN6519014922820DN8021016822822DN10025420022824DN12527923522826DN150318270221228DN200381330251230DN250444387.5291634DN300521451321636DN350584514.5322040DN400648571.5352046DN450DN500DN600 螺栓配套孔距对比表螺栓孔距直径111418（19）22（23）26（28）30（31）33（34）36（37）39（40）螺栓公称直径M10M12M16M20M24M27M30M33M36