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1、常用平焊法兰及螺栓规格尺寸（摘自HG5010-58）公称直径法 兰(毫米)螺 栓焊 缝外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度厚度螺栓孔直径重量数量规 格焊缝的直角边焊缝离法兰面距离DgDD1D2fbdKgn直径长度KHPg=1公斤/厘米21015207580905055653540502228881212120.200.230.30444M10 30M10 30M10 3033344425324010012013075901006070802238881214140.370.530.58444M10 30M12 30M12 3044455550708014016018511013
2、015090110128333810101414180.641.021.39444M12 30M12 30M16 404555661001251502052352601702002251481782023331010121818181.571.982.62488M16 40M16 40M16 455556661752002252903153402552803052322582823331414141818183.263.804.10888M16 50M16 50M16 506787892503003503704354853353954453123654153441416161823234.65
3、6.837.64121212M16 50M20 55M20 5599101010114004505005355906404955506004655205704441818202323239.5811.1013.50161616M20 60M20 60M20 6010101011111160070080075586097570581092067077588055520222425253017.1525.3033.90202424M22 65M22 70M27 801010101111119001000120010751175137510201l20132098010801280555242626
4、30303037.9045.7057.10242832M27 80M27 85M27 8510101111111214001600157517851520173014801690552828303073.2088.003640M27 85M27 8512131314Pg =2.5公斤/厘米21015207580905055653540502221010121212120.2540.290.45444M10 35M10 35M10 4033344425324010012013075901006070802231212121214140.5530.7950.87444M10 40M12 40M12
5、 40444555507080140160185110130150901101283331214141414180.9541. 431.95444M12 40M12 45M16 50455566 单位：毫米 公称直径法 兰(毫米)螺 栓焊 缝外径螺栓孔中心圆直 径连接凸出部分直 径连接凸出部分高 度厚度螺栓孔直 径重 量数量规 格焊缝的直角边焊缝离法兰面距 离DgDD1D2fbdKgn直径长度KHPg =2.5公斤/厘米21001261502052352601702002251481782023331414161818182.22.783.49488M16 50M16 50M16 505556
6、661752002252903153402552803052322582823331618201818183.864.885.93888M16 50M16 53M16 606787892503003503704354853353954453123654153442222221823237.329.410.5121212M16 65M20 70M20 709910101l1140045050053559064049555060046552057044422242423232311.714.916.2161616M20 70M20 70M20 701010101111116007008007558
7、6097570581092067077588055524262625253020.629.936.7202424M22 75M22 80M27 85101010111111900100012001075 1175 13751020112013209801080128055528 30 3030 20 3044.252.765.9242832M27 95M27 90M27 9010101111111214001600 1575 17851520173014801690553232303078.394.33640M27 95M27 95121313i4Pg =6公斤/厘米2101520758090
8、5055653540502221212141212120.3190.3350.536444M10 40M10 40M10 4033344425324010012013075901006070802231416161214140.6411.0971.219444M10 40M12 50M12 50444555507080140160185110130150901101283331616181414181.3481.672.48444M12 50M12 50M16 554555661001251502052352601702002251481782023331820201818182.893.94
9、4.47488M16 55M16 60M16 605556661752002252903153402552803052352582823332222221818185.546.076.6888M16 65M16 65M16 656787892503003503704354853353954453123654153442424261823238.0310.312.59121212M16 70M20 70M20 7991010101140045050053559064049555060046552057044428283023232315.217.5920.67161616M20 80M20 80
10、M20 95101010111111 公称直径法 兰 (毫米)螺 栓焊 缝外径螺孔中心圆直 径连接凸出部分直 径连接凸出部分高 度厚度螺栓孔直 径重量数量规 格焊缝的直角边 焊缝离 法兰面 距 离DgDD1D2fbdKgn直径长度KHPg =6公斤/厘米26007008007558609757058109206707758805553032325253026.5737.146.2202424M22 85M22 90M27 95101010111111900100010751175102011209801080553436303055.157.32428M27 100M27 10510l0ll1
11、1Pg =10公斤/厘米210152090951056065754045582221212141414140.4580.5110.748444M12 40M12 40M12 45333444253240115135145851001106878882231416181418180.891.401.71444M12 45M16 50M16 554445555070701601801951251451601021221383331820201818182.092.843.24444M16 55M16 60M16 6045556610012515021524528018021024015818821
12、23332224241818234.015.406.12888M16 65M16 70M16 705556661752002253103353652702953252422682953332424242323237.448.249.30888M20 70M20 70M20 7067878925030035039044050035040046032037043034426282823232310.712.915.9121216M20 75M20 90M20 80991010101l4004505006005656156707805155656207254825325856854445303032
13、362525253021.824.427.739.416202020M22 85M22 95M22 90M27 1051010101011111111Pg =16公斤/厘米2l0152090951056065754045582221414161414140.5470.7110.867444M12 45M12 45M12 5033344425324011513514585100110687888223118201418181.1741.62.0444M12 50M16 55M16 604445O55070801601801951251451601021221383332224241818182.
14、63.453.71448M16 65M16 70M16 704555661001251502152452801802102401581882123332628281818234.86.477.92886M16 70M16 75M20 80555666公称直径法 兰 (毫米)螺 栓焊 缝外径螺栓孔中心圆直 径连接凸出部分直 径连接凸出部分高 度厚度螺栓孔直径重 量数量规 格焊缝的直角边焊缝离法兰面距离DgDD1D2fbdKgn直径长度KHPg =16公斤/厘米21752002253103353652702953252422682953442830302323238.8110.111.781212
15、M20 80M20 85M20 9567878925030035040546052035541047032037843834432323425252515.716.123.3121216M22 90M22 90M22 95991010101140045050058064070552558565049055061044438424830303431.040.255.1162020M27 105M27 115M30 1301010101111116008407707205504180.320M30 140101lPg =25公斤/厘米21015209095105606575404558222161
16、6181414140.6340.8040.985444M12 50M12 50M12 50333444253240115135145851001106878882231820221418181.1741.962.60444M12 50M16 60M16 654445555070801601801951251451601021221383332424261818182.7l3.224.06488M16 70M16 70M16 704555661001251502302703001902202501621882183332830302325256.08.2610.4888M20 80M22 95M
17、22 8555O66617520022533036039528031034024827830533332323425253011.914.517.0121212M22 90M22 90M27 10067878925030035042548555037043049033539045034434364230303418.926.834.35121616M27 100M27 105M30 120991010101140045050061066073055060066050555561544444485234344144.951.9267.3162020M30 120M30 130M36 150101010111111