GBT9112钢制管法兰—类型与参数

1、GBT9112钢制管法兰一类型与参GB/T m 1 n中华人民共和国国家标准钢制管法兰类型与参数Types and1范围本标准规定了钢制管法兰的公称压力、公称通径与钢管外径、法兰类型及其适用范围和密封面型式及代号O本标准适用于GB/T 9113.19123.4中所规定的钢制管法兰和法兰盖。2公称压力本标准规定了属于欧洲管法兰体系和美洲管法兰体1系的15个公称压力等级。PN标记如下：欧洲体系PN0.25MPa(PN2.5bar)PN0.6MPa两个体系的公称压力等级用美洲体系PN2.0MPa (PN20bar)PN5.0MPaGB/T 91122000(PN50bar) PNH.OMPa(PNH

2、Obar) PN15.0MPa(PN150bar) PN26.0MPa(PN260bar) PN42.0MPa(PN420bar)(PN6bar)PNI.OMPa(PNIObar)PN1.6MPa(PN16bar)PN2.5MPa(PN25bar)PN4.0MPa(PN40bar)PN6.3MPa(PN63bar)PNIO.OMPa(PNIOObar)PN16.0MPa(PN160bar)3公称通径与钢管外径本标准适用的钢管外径为i、 n两个系列，i系列为国际通用系列（俗称英制管）；n系列为国内常用系列 （俗称米制管）。两个体系管法兰的公称通径和钢管外径应符合表1的规定。7表1公称通径和钢管外

3、径mm公称通径DN钢管外径公称通径DN钢管外径欧洲体系美洲体系欧洲体系美洲体系系列I系列n系列I系列I系列n系列I1017.2144048.34548.31521.31821.35060.35760.32026.92526.96576.17673.02533.73233.78088.98988.93242.43842.4100114.3108114.3国家质量技术监督局2000-09-28批准2001-07-01 实施mm表1 （完）公称通径 DN钢管外径公称通径 DN钢管外径欧洲体系美洲体系欧洲体系美洲体系系列I系列II系列I系列I系列n系列I125139.7133141.390091492

4、0150168.3159168.31 0001 0161 020200219.1219219.11 200L220250273.0273273.01 4001 420300323.9325323.91 6001 620350355.6377355.61 8001 820400406.4426406.42 0002 0204504574804572 2002 2205005085305082 4002 4206006106306102 6002 6207007117202 8002 8208008138203 0003 0204法兰类型法兰类型应符合图1的规定。整体法兰带颈螺纹法兰对焊法兰带颈平

5、焊法兰带颈承插焊法兰口对焊环带颈松套法兰对焊环板式松套法兰平焊环板式松套法兰板式平焊法兰翻边环板式松套法兰法兰盖图1法兰类型5密封面型式及代号法兰的密封面型式及代号应符合表2和图2的规定。表2密封面型式及代号密封面型式代 号平面FF突面RF凹凸面凸面MFM凹面F梆槽面樟面TGT槽面G环连接面RJ平面(FF)凸面(M)梯面(T)凹面(F)sjq=槽面(G)榔槽面(TG)凹凸面(MF)环连接面(RJ)突面(RF)图2密封面型式6法兰类型及适用范6.1 公称压力等级属于欧洲体系的法兰类型及其适用 范围应符合表3的规定。6.2 公称压力等级属于美洲体系的法兰类型及其适用 范围应符合表4的规定。XXXX

6、XXXXXXXXXXX表3 (续)法兰类型密封面型式平面(FF)突面(RF)凹凸面(MF)标准编号GB/T 9113.12000GB/T 9113.12000GB/T 9113.22000适用钢管外径系列公称压力PNMPa (bar)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)公 称 通 径

7、DN mm10XXXXXXXXXXXXXXXXXXXXXXXX15XXXXXXXXXXXXXXXXXXXXXXXX20XXXXXXXXXXXXXXXXXXXXXXXX25XXXXXXXXXXXXXXXXXXXXXXXX32XXXXXXXXXXXXXXXXXXXXXXXX40XXXXXXXXXXXXXXXXXXXXXXXX50XXXXXXXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXXXXXXX150XXXX

8、XXXXXXXXXXXXXXXXXXXX200XXXXXXXXXXXXXXXXXXXXXXXX250XXXXXXXXXXXXXXXXXXXXXXXX300XXXXXXXXXXXXXXXXXXXXXXXX350XXXXXXXXXXXXXXXXXXXXXX400XXXXXXXXXXXXXXXXXXXXXX450XXXXXXXXXXXXXXXX500XXXXXXXXXXXXXXXX600XXXXXXXXXXXXXXXX700XXXXXXXXXXXX800XXXXXXXXXXXX900XXXXXXXXXXXX1000XXXXXXXXXXXX1200XXXXXXXXXXXX1400XXXXXXXXXXX

9、X1600XXXXXXXXXXXX1800XXXXXXXXXXXX2000XXXXXXXXXXXXco法兰类型带径螺纹法兰对 焊 法 兰密封面型式突面(RF)平面(FF)突面(RF)标准编号GB/T 91142000GB/T 9115.12000GB/T 9115.12000适用钢管外径系列系列I系列I和系列n公称压力PN MPa(bar)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)0.25(2.5)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)025 (2.5)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)6.3(63)10

10、.0(100)16.0(160)公称通径DNmm1050XXXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXXX150XXXXXXXXXXXXXXXXXXXX200XXXXXXXXXXXXXXX250XXXXXXXXXXXXXXX300XXXXXXXXXXXXXXX350XXXXXXXXXXXXXX400XXXXXXXXXXXXXX450XXXXXXXXXXXX500XXXXXXXXXXXX600XXXXXXXXXXXX700XXX

11、XXXXXXX800XXXXXXXXXX900XXXXXXXXXX1000XXXXXXXXXX1200XXXXXXXX1400XXXXXXXX1600XXXXXXXX1800XXXXXXXX2000XXXXXXXX2200XXXX2400XXXX2600XXXX2800XXXX3000XXXX法兰类型对焊法兰带颈平烛法兰密封面型式凹凸面(MF)梯槽面(TG)平面(FF)突面(RF)凹凸面(MF)标准编号GB/T 9115.22000GB/T 9115.32000GB/T 9116.12000GB/T 9116.12000GB/T 9116.22000适用钢管外径系列系列I和系列n系列I和系列n

12、公称压力PN MPa(bar)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)0.6 (6)1.0(10)1.6(16)2.5(25)4.0(40)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)1.6(16)2.5(25)4.0(40)公 称通径DN mm10XXXXXXXXXXXXXXXXXXXXXXXXX15XXXXXXXXXXXXXXXXXXXXXXXXX20XXXXXXXXXXXXXXXXXXXXXXXXX25XXXXXXXXXX

13、XXXXXXXXXXXXXXX32XXXXXXXXXXXXXXXXXXXXXXXXX40XXXXXXXXXXXXXXXXXXXXXXXXX50XXXXXXXXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXXXXXXXX150XXXXXXXXXXXXXXXXXXXXXXXXX200XXXXXXXXXXXXXXXXXXXXXXXXX250XXXXXXXXXXXXXXXXXXXXXXXXX300XXXXXXX

14、XXXXXXXXXXXXXXXXXX350XXXXXXXXXXXXXXXXXXXXXXX400XXXXXXXXXXXXXXXXXXXXXXX450XXXXXXXXXXXXXXXXXXX500XXXXXXXXXXXXXXXXXXX600XXXXXXXXXXXXXXXXXXX700XXXX800XXXX900XXXX1000XXXX1200XX1400XX1600XX1800XX2000XX法兰类型带颈平焊法兰板式平焊法兰对焊环板式松套法兰密封面型式樟槽面(TG)平面(FF)突面(RF)突面(RF)凹凸面(MF)柳槽面(TG)标准编号GBTT 9116.3-2000GB/T 91192000GB/

15、T 91192000GB/T 9120.12000GBTT 9120.2-2000GB/T9120.3-2000适用钢管外径系列系列I和系列口系列I和系列n系列I和系列口公称压力PN MPa(bar)1.6(16)2.5(25)4.0(40)0.25(2.5)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)0.25 (2.5)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)1.0(10)1.6(16)2.5(25)4.0(40)1.6(16)2.5(25)4.0(40)1.6(16)2.5(25)4.0(40)公称压力DNmm10XXXXXXXXXXXX

16、XXXXXXXXXXXXX15XXXXXXXXXXXXXXXXXXXXXXXXX20XXXXXXXXXXXXXXXXXXXXXXXXX25XXXXXXXXXXXXXXXXXXXXXXXXX32XXXXXXXXXXXXXXXXXXXXXXXXX40XXXXXXXXXXXXXXXXXXXXXXXXX50XXXXXXXXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXXXXXXXX150XXXXXXXXXXXX

17、XXXXXXXXXXXXX200XXXXXXXXXXXXXXXXXXXXXXXXX250XXXXXXXXXXXXXXXXXXXXXXXXX300XXXXXXXXXXXXXXXXXXXXXXXXX350XXXXXXXXXXXXXXXXXXXXXXXXX400XXXXXXXXXXXXXXXXXXXXXXXXX450XXXXXXXXXXXXXXXXXXXXXXXXX500XXXXXXXXXXXXXXXXXXXXXXXXX600XXXXXXXXXXXXXXXXXXXXXXXXX700XXXX800XXXX900XXXX1000XXXX1200XXXX1400XXXX1600XXXX1800XXXX20

18、00XXXX法兰类型平焊环板式松套法兰翻边环板式松套法兰法兰盖密封面型式突面(RF)凹凸面(MF)樟槽面(MF)突面(RF)平面(FF)标准编号GB/T 9121.12000GB/r 9121.22000GB/r 9121.32000GB/T 91222000GB/T 9123.12000适用钢管外径系列系列I和系列n系列I和系列n系列I和系列n公称压力PN MPa (bar)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)1.6(16)2.5(25)4.0(40)1.6(16)2.5(25)4.0(40)0.6(6)1.0(10)0.25 (2.5)0.6(6)1.0(1

19、0)1.6(16)2.5(25)4.0(40)公 称 通 径DN mm10XXXXXXXXXXXXXXXXXXX15XXXXXXXXXXXXXXXXXXX20XXXXXXXXXXXXXXXXXXX25XXXXXXXXXXXXXXXXXXX32XXXXXXXXXXXXXXXXXXX40XXXXXXXXXXXXXXXXXXX50XXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXX150XXXXXXXXXXXXXXXXXXX200XXXXXXX

20、XXXXXXXXXXXX250XXXXXXXXXXXXXXXXXXX300XXXXXXXXXXXXXXXXXXX350XXXXXXXXXXXXXXXXX400XXXXXXXXXXXXXXXXX450XXXXXXXXXXXXXXXXX500XXXXXXXXXXXXXXXXX600XXXXXXXXXXXXXXXXX700XXXX800XXXX900XXXX1000XXXX1200XXXX1400XX1600XX1800XX2000XX表3 (完)to法兰类型法兰盖密封面型式突面(RF)凹凸面(MF)樨槽面(TG)标准编号GBTT 9123.12000GB/T 912322000GB/T 9123.

21、32000适用钢管外径系列系列I和系列U公称压力PNMPa (bar)0.25 (2.5)0.6(6)1.0(10)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)1.6(16)2.5(25)4.0(40)6.3(63)10.0(100)16.0(160)公 称 通 径DN mm10XXXXXXXXXXXXXXXXXXXXX15XXXXXXXXXXXXXXXXXXXXX20XXXXXXXXXXXXXXXXXXXXX25XXXXXXXXXXXXXXXXXXXXX

22、32XXXXXXXXXXXXXXXXXXXXX40XXXXXXXXXXXXXXXXXXXXX50XXXXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXXXX150XXXXXXXXXXXXXXXXXXXXX200XXXXXXXXXXXXXXXXXXXXX250XXXXXXXXXXXXXXXXXXXXX300XXXXXXXXXXXXXXXXXXXXX350XXXXXXXXXXXXXXXXXX400XXXXXXXXXXXXXXXXX

23、X450XXXXXXXXXXXX500XXXXXXXXXXXX600XXXXXXXXXXXX700XXXXXX800XXXXXX900XXXXXX1000XXXXXX1200XXXXXX1400XX1600XX1800XX2000XX注："X”表正适用。表4公称压力等级属于美洲体系的法兰类型及其适用范圉法兰类型整体法兰密封面型式平面(FF)突面(RF)凹凸面(MF)梯槽面(TG)环连接面(RJ)标准编号GBTT 9113.12000GBTT 9113.12000GB/T911322000GBTT 9113.32000GBTT 9113.42000公称压力PNMPa (bar)2.0(

24、20)2.0(20)5.0(50)11.0(110)15.0(150)26.0(260)42.0(420)5.0(50)11.0(110)15.0(150)26.0(260)5.0(50)11.0(110)15.0(150)26.0(260)2.0(20)5.0(50)11.0(110)15.0(150)26.0(260)42.0(420)公 称 通 径DN mm15XXXXXXXXXXXXXXXXXXXXX20XXXXXXXXXXXXXXXXXXXXX25XXXXXXXXXXXXXXXXXXXXX32XXXXXXXXXXXXXXXXXXXXX40XXXXXXXXXXXXXXXXXXXXX50

25、XXXXXXXXXXXXXXXXXXXXX65XXXXXXXXXXXXXXXXXXXXX80XXXXXXXXXXXXXXXXXXXXX100XXXXXXXXXXXXXXXXXXXXX125XXXXXXXXXXXXXXXXXXXXX150XXXXXXXXXXXXXXXXXXXXX200XXXXXXXXXXXXXXXXXXXXX250XXXXXXXXXXXXXXXXXXXXX300XXXXXXXXXXXXXXXXXXXXX350XXXXXXXXXXXXXXXXXXX400XXXXXXXXXXXXXXXXXXX450XXXXXXXXXXXXXXXXXXX500XXXXXXXXXXXXXXXXXXX600XXXXXXXXXXXXXXXXXXX表3 (续)法兰类型带颈螺纹法兰对焊法兰密封面型式突面(RF)平面(FF)突面(RF)凹凸面(MF)