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1、图8.1.1法兰的连接尺寸表8.1.1 连接尺寸< mrn)nL公称尺寸PN2.5PN6PN10PN16DNDKLTh丙(个DKLTh心)DKLTh賦个.DKLTh心10755011M104755011MIO4906014M124906014M12415805511M104805511MIO4956514Ml 24956514M12420906511M104906511MIO41057514M1241057514M124251007511M10410075nMIO41158514M1241158514M124321209014M1241209014M12414010018M1641401

2、0018M1644013010014M12413010014Ml 24150no)8M164150no18M164S014011014M12414011014M12416512518MIG416512518M1646516013014M12416013014M1241A51451RMlfi8(4)18514518M16奶19015018M16419015018M16420016018M16820016018Ml 6810021017018M16421017018M16422018018M】6822018018M16812524020018M1G824020018M16825021018M】68

3、25021018M16815026522518M16826522518M16828524022MZO8285Z40Z2M20820032028018M16832028018M16834029522M20834029522M201225037533518M161237533518M161239535022M201240535526M241230044039522M201244039522M2O1244540022M201246041026M2412$5049044522M201249044522M2O12505460ZZMZO1652047026M241640054049522M20165404

4、9522M2O1656551526M241658052530M2716450595SSO22M201659555022M2O1661556526M2420640S8530M272050064560022M2020645GOO22M2O2067062026M242071565033M30ZO60075570526M242075570526MZ4ZO7807Z530M272084077036M332070086081026M242486081026M242489584030M272491084036M3324800#7592030M272407592030M2724101595033M302410

5、2595039M36249001075102030M27241075102030M27241115105033M30231125105039M36Z81000H7511Z030MZ728117511Z030M27281230116036M33231255117042M392812001375132030M27321405134033M3O321455138039M3632148&139048M453214001575152030M2736163015G036M33361675159042M39361685159048M453616001790173030M27401830176036M

6、33401915182048M45401930182056M524018001990193030M27442045197039M36442115202048M45442130202056M524420002190213030M27482265218042M39482325223048M45432345223062M5648公称尺寸PN25PN40PN63DNDKLThM个)DKLThn(b)DKLThit(个、10906014M124906014M1241007014M12415956514M1Z4956514M1241057514M124201057514M1241057514.M12413

7、09018M164251158514M1241158514M12414010018MIO432P 14010018Ml 6414030018M164155no22M20440150no18M】6416011018M16417012522M2045016512518Ml 6416512518M16418013322M2046518514518M16818514518M16820516022M2088Ob20016018M16g20016018M16821517022M20810023519022M20823519022M20825020026M24812527022026MZ4827022026

8、M24829524030M27815030025026M24830025026M24834528033M30820036031026M241237532030M271241534536M331225042537030M271245038533M301247040036M331230048543030M271651S45033M301653046036M331635055549033M301658051036M3316eoo52539M361640062055036M331666058539M36166705«542M391645067060036Mi32068561030M36205

9、0Q73066036M332075567042M3920600A4577039M3620«9C7954RM452070096087542M3924800108599048M45249001185109048M452810001320121055M52281ZOU153014Z055M5Z32(mm)续衰& 1.1续表8.1.1(mm)公称尺寸DNPN100PN160DKLTh讥个)DKLTh讥个101007014M1241007014M124151057514M1241057514M124201309018M1641309018M1642514010018M164140100

10、18M1643215511022M20415511022M2044017012522M20417012522M2045019514526M24419514526M2446522017026M24822017026M2488023018026M24823018026M24810026521030M27826521030M2 7812531525033M30831525033M30815035529033M301235529033M301220043036036M331243036036M331225050543039M361251543042M391230058550042M3916585500

11、42M391635065556048M451640071562048M451 也可采用4个鰻栓孔,应按生产厂家与买方签订的协议捉供。PN1040>DN80法兰的连接尺寸相同。48.2.1板式平焊钢制管法兰表8.2. 1-2 PN6板式平焊钢制符法兰<mm)公称 尺寸DN钢管外径 A,连接尺寸法兰 厚度c法兰内径法兰 外径D螺栓孔中 心圆育径K螺检孔 宜径 L螺栓扎 数戢 讥个)螺栓ThAB.AtB1017. 2147550114M1O1218151521. 3188055114M1O1222. 5192026. 9259065114M1O1427. 5262533. 7321007

12、5114M101134. 5333242. 43812090144M1216435394048. 345130100144M121649. 5465060. 357140110144Ml 21661. 5596576. 176160130144Ml 21677. 5788088. 989190150184M161890.591100114. 3108210170184M1618116110125139. 7133240200188M1620143. 513515016& 3159265225188M1620170. 5161200219. 1219320280188Ml 622221.

13、 52222502732733753351812M1624276. 5276300323. 93254403952212M2024328328公称 尺寸DN倾彗外径连接尺寸法兰 厚度C法兰内径 Bx法士 夕卜径D螺栓孔中心圆玄:径K螺栓孔 宜径 L螺栓孑b讥个螺栓ThABAB1017. 2147550114M101218151521. 3188055114M101222. 5192026. 9259065114M101427. 5262533. 73210075114M101434> b333242. 43812090144M121643. 539404& 34513010014

14、4Ml 21649. 5465060. 357140110144M121661. 5596576176160130144M121677. 5788088. 989190150184M161890. 591100114. 3108210170184M1618116110125139. 7133240200188M1620143 5135150168. 3159265225188M1620170. 5161200219. 1219320280188M1622221. 52222502732733753351812M1624276.5276300323. 93254403952212M2024328

15、328350355, 63774904452212M2026360381400406. 44265404952216M20284114304504574805955502216M2030462485续表 8.2.1-3(mm)公称 尺寸DN钢管外径 Aj连接尺寸法兰 厚度C法兰内径法兰 外径D螺栓孔中 心圆直径K螺栓孔直径 L螺稚孔 数量 M个)螺栓ThABAB1017.2149060144M121418151521. 3189565144M121422.5192026.92510575144M121627.5262533.73211585144Ml 21634.5333242.4381401

16、00164M161843.53940 48.345150110184M161849.5465060.357165125184M161961.5596576.176185145188M162077.578808& 989200160188M162090.591100114.3108220180188M1622116110称寸 N 公尺 D锅管外径A】连接尺寸法兰 厚度c -法兰内径 Bi法兰 外径D螺栓孔中 心圆直径K螺栓孔直径 L螺栓孔 数量 总(个)螺栓ThABAB125139.7133250210188M1622143.513515016& 3159285240228M20

17、24170.5161200219.1219340295228M2024221.52222502732733953502212M2026276.5.276300323.932544540022 .12M2026328328350355.6 37750546022 16M20-28360381400406.442656551526 .16M24324114304504574806155652620M2436462485500 .508.5306706202620M2438513.5535600610630780.7253020M2742616.5636表 8.2.1-5PN25板式平焊钢制管法兰C

18、imn)公称尺寸DNb钢管外径连接尺寸1TC法兰内径 B.1T丄法兰 外径D螺栓孔中 心圆宜径K螺栓孔 直径 L螺栓孔 数绘 M个)螺栓ThABAB1017. 2149060144M1214 181541521. 3189565144M121422.51942026. 92510575144M121627. 52642533. 73211585144M121634.53353242. 438140100184M161843.5395404& 345150110184M16 .1849.546 .5 5060. 357165125184M16 '1961.559565761761

19、85145188M162077.6786808& 989200160188M1620 90.5916100114.3108220180188M16221161106.125139.713325018M1622143.5135 -6150168.3159285240228M2024170.51616200219.12193402952212M2026221.522282502732734053552612M2429276. 527610300323.93254604102612M243232832811公称 尺寸DN钢骨外径 A,连接尺寸法兰厚度C法兰内径 民坡口 宽度b法兰 外径D嫖栓

20、孔中 心圆直径 K螺栓孔 直径 L娘栓孔 数餐 以个)删栓ThABAB1017. 2149060144M1214181541521. 3189565144M121422. 51942026. 92510575144M121627. 52642533. 73211585144M121634. 53353242. 438140100184M161843. 5395404& 345150110184Ml 61849. 54655060. 357165125184MIG2061. 55956576. 176135145188M162277. 5786808& 989200160188M

21、l 62490. 5916100114. 3108235190228 .M20261161106125139. 7133270220268M2428143. 5135615016& 3159300250268M2430170.51616200219. 12193603102612M2432221. 522282502732734253703012M2735276. 527610300323. 93254854303016M273832832811表8.2. b6 PN40板式平焊钢制管法兰(mm)公称 尺寸DN钢管外径 A逹接尺寸法兰 厚度C法兰內径 B坡口 宽度b法兰 外径D螺栓孔中 心圆直径K螺栓孔 直径 L缥栓孔 数录 九(个)螺栓ThABAB1017.2149060144

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