GB9115.2-2000凹凸面对焊钢制管法兰.pdf

中华人民共和国国家标准凹凸面对焊钢制管法兰Steel pipe welding neck flangeswith male and female faceGB/T 9115.22000代替GB/T 9115.179115.2319881 范围本标准规定了公称压力PN为1.6、2.5、4.0、6.3、10.0、16.0MPa和公称压力PN为5.0、11.0、15.0、26.0MPa的凹凸面对焊钢制管法兰的型式和尺寸。本标准适用于公称压力PN1.6PN26.0MPa的凹凸面对焊钢制管法兰。2 引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。GB/T 91122000 钢制管法兰 类型与参数GB/T 91242000 钢制管法兰 技术条件3 法兰的型式与尺寸3.1 PN1.6、PN2.5、PN4.0、PN6.3、PN10.0和PN16.0MPa凹凸面对焊钢制管法兰的型式应符合图1的规定，尺寸应符合表1表6的规定。3.2 PN5.0、PN11.0、PN15.0和PN26.0MPa凹凸面对焊钢制管法兰的型式应符合图2的规定，尺寸应符合表7表10的规定。4 法兰的技术要求4.1 法兰的技术要求应符合GB/T 9124的规定。4.2 法兰在不同温度下的最大无冲击工作压力应符合GB/T 91242000附录A（标准的附录）的规定。4.3 法兰的焊接接头型式和坡口尺寸应符合GB/T 91242000附录B（提示的附录）的规定。5 标记5.1 法兰应按公称通径、公称压力、密封面型式代号、配用的钢管系列代号（配用米制管代号为“系列”，配用英制管不标记）和标准编号进行标记。5.2 法兰密封面的型式代号应符合GB/T 9112的规定。5.3 标记示例公称通径80mm、公称压力4.0MPa（40bar）的凸面对焊钢制管法兰（配用米制管）：法兰 DN80-PN40 M（系列） GB/T 9115.22000公称通径80mm、公称压力5.0MPa（50bar）的凹面对焊钢制管法兰（配用英制管）：法兰 DN80-PN50 F GB/T 9115.22000国家质量技术监督局2000-09-28批准 2001-07-01实施nLf2f1CHdYDKNH1f1CHRSXA图1 凹凸面（MF）对焊钢制管法兰（适用于PN1.6、PN2.5、PN4.0、PN6.3、PN10.0和PN16.0MPa）5表1 PN1.6MPa（16bar）凹凸面对焊钢制管法兰 mm 公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NSH1R数量n螺纹规格系列系列系列系列1050使用PN4.0MPa法兰尺寸6576.176185145184M16118109110432045922.91068088.989200160188M161321201214320501103.2106100114.3108220180188M161561491504.53.522521303.6126125139.7133250210188M161841751764.53.522551584.0126150168.3159285240228M202112032044.53.524551844.512GB/T 9115.220008200219.12193402952212M202662592604.53.524622346.31682502732734053552612M243193123134.53.526702886.31610300323.93254604102612M243703633644.53.528783427.11610350355.63775204702616M244294214225430823904008.01610400406.44265805253016M274804734745432854444508.816104504574806405853020M2754852352454408749050610.016125005085307156503320M3060957557654449054655911.016126006106308407703620M3372067567654549565066012.518127007117209108403624M337947777785438100750750由用户规定18128008138201 0259503924M36901882883543810584885020129009149201 1251 0503928M361 001987988544011094895820121 0001 0161 0201 2551 1704228M391 1121 0921 09465421201 0561 0602212l 2001 2201 4851 3904832M451 3281 2921 29465481301 26030121 4001 4201 6851 5904836M451 5301 4921 49465521451 46530121 6001 6201 9301 8205540M521 7501 6921 69465581601 66835121 8001 8202 1302 0205544M521 9501 8921 89465621701 870351532 0002 0202 3452 2306048M562 1502 0922 09465661902 0724015表2 PN2.5MPa（25bar）凹凸面对焊钢制管法兰 mm 4公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NSH1R数量n螺纹规格系列系列系列系列10150GB/T 9115.22000使用PN4.0MPa法兰尺寸200219.12193603102612M242742592604.53.530802446.31682502732734253703012M273303123134.53.532882966.31810300323.93254854303016M273893633644.53.534923507.11810350355.63775554903316M30448421422543810039840682010400406.44266205503616M3350347347454401104524648.820104504574806706003620M3354852352454461105005141020125005085307306603620M3360957557654481255585701120126006106308457703920M36720675676545812566067012.520127007117209608754224M398207777785446125760766由用户规定20128008138201 0859904824M45928882883545013586487422129009149201 1851 0904828M451 028987988545414596897424121 0001 0161 0201 3201 2105528M521 1401 0921 09465581551 0701 0742412表3 PN4.0MPa（40bar）凹凸面对焊钢制管法兰 mm 公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NSH1R数量n螺纹规格系列系列系列系列1017.2149060144M12413435431435282.3631521.3189565144M12463940431438323.2632026.92510575144M12565051431640403.2642533.73211585144M12655758431640463.2643242.438140100184M16766566431842563.6654048.345150110184M16847576431845643.67GB/T 9115.2200055060.357165125184M16998788432048744.0856576.176185145188M16118109110432252925.01068088.989200160188M161321201214324581105.6126100114.3108235190228M201561491504.53.524651346.3126125139.7133270220268M241841751764.53.526681626.3126150168.3159300250268M242112032044.53.528751907.1128200219.12193753203012M272842592604.53.534882448.01682502732734503853312M303453123134.53.53810530610.01810300323.93255154503316M304093633644.53.54211536210.01810350355.63775805103616M33465421422544612540841811.02010400406.44266605853916M36535473474545013546248012.520104504574806856103920M36560523524545713550053014.220125005085307556704220M39615575576545714056258016.0201256006106308907954820M45735675676547215066668617.52012表4 PN6.3MPa（63bar）凹凸面对焊钢制管法兰 mm 6公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NSH1R数量n螺纹规格系列系列系列系列1017.21410070144M12413435432045323631521.31810575144M12463940432045343.2632026.92513090184M16565051432052423.6642533.732140100184M16655758432458523.6843242.438155110224M20766566432460603.6854048.345170125224M2084757643266270410GB/T 9115.2200055060.357180135224M209987884326628251056576.176205160228M201181091104326689861268088.989215170228M201321201214328721126126100114.3108250200268M241561491504.53.530781387126125139.7133295240308M271841751764.53.534881687.5126150168.3159345280338M302112032044.53.536952028.5128200219.12194153453612M332842592604.53.54211025610.51682502732734704003612M333453123134.53.54612531613.51810300323.93255304603616M334093633644.53.55214037215.51810350355.63776005253916M36465421422545615042043017.52010400406.44266705854216M395354734745460160475484202010表5 PN10.0MPa（100bar）凹凸面对焊钢制管法兰 mm 公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NSH1R数量n螺纹规格系列系列系列系列1017.21410070144M12413435432045323631521.31810575144M12463940432045343.2632026.92513090184M16565051432052423.6642533.732140100184M16655758432458523.6843242.438155110224M20766566432460603.68GB/T 9115.2200054048.345170125224M208475764326627041055060.357195145264M249987884328689061056576.176220170268M2411810911043307610871268088.989230180268M241321201214332781207126100114.3108265210308M271561491504.53.536901508126125139.7133315250338M301841751764.53.54010518010.5126150168.31593552903312M302112032044.53.54411521011.5128200219.12194303603612M332842592604.53.55213027814.51682502732735054303912M363453123134.53.56015734018.51810300323.93255855004216M39409363644.53.56817040020.51810350355.63776555604816M45465421422547418946022.520107400406.44267156204816M455354734745482205510252010表6 PN16.0MPa（160bar）凹凸面对焊钢制管法兰 mm 8公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NSH1R数量n螺纹规格系列系列系列系列1017.21410070144M12413435432445323631521.31810575144M12463940432645343.2632026.92513090184M16565051433052423.6642533.732140100184M16655758433258523.6843242.438155110224M20766566433460603.68GB/T 9115.2200054048.345170125224M208475764336647041055060.357195145264M249987884338759061056576.176220170268M2411810911043428210871268088.989230180268M241321201214346861207126100114.3108265210308M271561491504.53.5521001508126125139.7133315250338M301841751764.53.55611518010.5146150168.31593552903312M302112032044.53.56212821012.5148200219.12194303603612M332842592604.53.566140278161682502732735154304212M393453123134.53.576155340201810300323.93255855004216M394093633644.53.58817540022.218107f2CHDKNBYdf1nLCHXRA图2 凹凸面（MF）对焊钢制管法兰（适用于PN5.0、PN11.0、PN15.0和PN26.0MPa）表7 PN5.0MPa（50bar）凹凸面对焊钢制管法兰 mm 10公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法 兰 颈法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2NR数量n螺纹规格1521.39566.5164M14463536.57514.5523816.02026.912082.5184M16544344.57516.0574821.02533.712589.0184M16625152.57517.5625426.53242.413598.5184M167363.565.07519.5656435.04048.3155114.5224M20847374.57521.06870GB/T 9115.2200041.05060.3165127.0188M161039293.57522.5708452.56573.0190149.0228M20116105106.57525.57610062.58088.9210168.5228M20138127128.57529.07911878.0100114.3255200.0228M20168157.5159.07532.086146102.5125141.3280235.0228M20197186187.57535.098178128.0150168.3320270.02212M20227216217.57537.098206154.0200219.1380330.02612M24281270271.57541.5111260202.5250273.0445387.529.516M27335324325.57548.0117321254.5300323.9520451.032.516M30392381382.57551.013037510305.0350355.6585514.532.520M30424413414.57554.014342610由400406.4650571.535.520M33481470471.57557.514648310用户规定450457710628.535.524M33544533.55357560.515953310500508775686.035.524M33595584.55867563.516258710600610915813.04224M39703.5692.56947570.016870210表8 PN11.0MPa（110bar）凹凸面对焊钢制管法兰 mm 公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法兰颈部直径N法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2数量n螺纹规格1521.39566.5164M14463536.57514.55238由用户规GB/T 9115.22000定2026.912082.5184M16544344.57516.057482533.712589.0184M16625152.57517.562543242.413598.5184M167363.565.07521.067644048.3155114.5224M20847374.57522.570705060.3165127.0188M161039293.57525.573846573.0190149.0228M20116105106.57529.0791008088.9210168.5228M20138127128.57532.083117100114.3275216.0268M24168157.5159.07538.5102152125141.3330267.029.58M27197186187.57544.5114189150168.3355292.029.512M27227216217.57548.0117222200219.1420349.032.512M30281270271.57555.5133273250273.0510432.035.516M33335324325.57563.5152343300323.9560489.035.520M33392381382.57567.0156400350355.6605527.03920M36424413414.57570.0165432400406.4685603.04220M39481470471.57576.5178495450457745654.04520M42544533.55357583.0184546500508815724.04524M42595584.55867589.019061011600610940838.05124M48703.5692.569475102.0203718表9 PN15.0MPa（150bar）凹凸面对焊钢制管法兰 mm 12公称通径DN法兰焊端外径（钢管外径）A连 接 尺 寸密 封 面法兰厚度C法兰高度H法兰颈部直径N法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2数量n螺纹规格15GB/T 9115.22000使用PN26.0MPa尺寸2025324050658088.9240190.5268M24138127128.57538.5102127由用户规定100114.3290235.032.58M30168157.5159.07544.5114159125141.3350279.535.58M33197186187.57551.0127190150168.3380317.532.512M30227216217.57556.0140235200219.1470393.53912M36281270271.57563.5162298250273.0545470.03916M36335324325.57570.0184368300323.9610533.53920M36392381382.57579.5200419350355.6640559.04220M39424413414.57586.0213451400406.4705616.04520M42481470471.57589.0216508450457785686.05120M48544533.553575102.022956550050885