法兰规格尺寸表(国标,美标).docx

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1、.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—8810kg=1.0MPa16kg=1.6MPain公称通径法兰螺栓孔螺栓直螺栓孔公称通径法兰外螺栓孔法兰厚法兰厚度螺栓孔距螺栓直径外径距径数径数度3/8DN10506014414DN109060144141/2DN15596514414DN159565144143/4DN201057514416DN2010575144161DN251158514416DN25115851441611/4DN3214010018418DN32140

2、1001841811/2DN4015011018418DN40150110184182DN5016512518420DN501651251842021/2DN6518514518420DN65185145184203DN8020016018820DN802001601882031/2DN10022018018822DN100220180188224DN12525021018822DN125250210188225DN15028524022824DN150285240228246DN20034029522824DN2003402952282

3、68DN250395350221226DN25040535526122910DN300445400221228DN30046041026123212DN350505460221630DN35052047026163514DN400565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN600840770362052ANSI标准125型ANSI标准150型

4、10kg=1.0MPa16kg=1.6MPain公称通径法兰螺栓孔螺栓直螺栓孔公称通径法兰外螺栓孔法兰厚度螺栓孔距螺栓直径法兰厚度外径距径数径数3/8DN10DN101/2DN15DN153/4DN20DN201DN25DN2511/4DN32DN3211/2DN4012798.516414.3DN4012798.516417.5..2DN50152120.519415.9DN50152121.519419.121/2DN65178139.519417.5DN65178139.519422.33DN80190152.519419.1DN8

5、0190152.519423.94DN100229190.519823.9DN100229190.519823.95DN125254216.522823.9DN125254216.522823.96DN150279241.522825.4DN150279241.522825.48DN200343298.522828.6DN200343298.522828.610DN250406362.5251230.2DN250406362.5251230.212DN300483432251231.8DN300483432251231.814DN3505

6、33476.5291235DN350533476.529123516DN400597539.5291636.6DN400597539.5291636.618DN450DN45020DN500DN50024DN600DN600ANSI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DN10DN15DN20DN25DN32DN40156114.519418DN5016512722818DN6519014922820DN8021016822822DN10025420022824DN125279235

7、22826DN150318270221228DN200381330251230DN250444387.5291634DN300521451321636DN350584514.5322040DN400648571.5352046DN450DN500DN600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.