GB9115.1-2000平面、突面对焊钢制管法兰.pdf

中华人民共和国国家标准平面、突面对焊钢制管法兰Steel pipe welding neck flangeswith flat face or raised faceGB/T 9115.12000代替GB/T 9115.19115.1619881 范围本标准规定了公称压力PN为0.25、0.6、1.0、1.6、2.5、4.0、6.3、10.0、16.0MPa和公称压力PN为2.0、5.0、11.0、15.0、26.0、42.0MPa的平面、突面对焊钢制管法兰的型式和尺寸。本标准适用于公称压力PN0.25PN42.0MPa的平面、突面对焊钢制管法兰。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 PN0.6、PN1.0、PN1.6、PN2.5和PN4.0MPa平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 PN0.25、PN0.6、PN1.0、PN1.6、PN2.5、PN4.0、PN6.3、PN10.0和PN16.0MPa突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1表9的规定。3.3 PN2.0MPa平面对焊钢制管法兰的型式应符合图3的规定，尺寸应符合表10的规定。3.4 PN2.0和PN5.0MPa突面对焊钢制管法兰的型式应符合图4的规定，尺寸应符合表10和表11的规定。3.5 PN11.0、PN15.0、PN26.0和PN42.0MPa突面对焊钢制管法兰的型式应符合图5的规定，尺寸应符合表12表15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。国家质量技术监督局2000-09-28批准 2001-07-01实施5.3 标记示例5.3.1 平面对焊钢制管法兰的标记示例公称通径100mm、公称压力2.5 MPa（25bar）的平面对焊钢制管法兰（配用米制管）：法兰 DN100-PN25 FF（系列） GB/T 9115.12000公称通径100mm、公称压力2.5 MPa（25bar）的平面对焊钢制管法兰（配用英制管）：法兰 DN100-PN25 FF GB/T 9115.120005.3.2 突面对焊钢制管法兰的标记示例公称通径80mm、公称压力2.5 MPa（25bar）的突面对焊钢制管法兰（配用米制管）：法兰 DN80-PN25 RF（系列） GB/T 9115.12000公称通径100mm、公称压力5.0MPa（50bar）的突面对焊钢制管法兰（配用英制管）：法兰 DN100-PN50 RF GB/T 9115.12000nLH1RHCDKSNA图1 平面（FF）对焊钢制管法兰（适用于PN0.6、PN1.0、PN1.6、PN2.5和PN4.0MPa）fnLH1SRCHdKDNA图2 突面（RF）对焊钢制管法兰（适用于PN0.25、PN0.6、PN1.0、PN1.6、PN2.5、PN4.0、PN6.3、PN10.0和PN16.0 MPa）表1 PN0.25MPa（2.5bar）平面、突面对焊钢制管法兰 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dfNSH1R数量n螺纹规格系列 系列系列系列10600使用PN0.6MPa法兰尺寸7007117208608102624M2477252670740由用户规定16128008138209759203024M278785267084284416GB/T 9115.12000129009149201 0751 0203024M279785267094294416121 0001 0161 0201 1751 1203028M271 078526701 04516121 2001 2201 3751 3203032M271 295526701 24516161 4001 4201 5751 5203036M271 510526701 44516161 6001 6201 7901 7303040M271 710526801 64520161 8001 8201 9901 9303044M271 918526801 84520162 0002 0202 1902 1303048M272 125526802 04522162 2002 2202 4052 3403352M302 295628902 24825182 4002 4202 6052 5403356M302 495628902 44825182 6002 6202 8052 7403360M302 695628902 64825182 8002 8203 0302 9603664M332 910630902 848251833 0003 0203 2303 1603668M333 110630903 05025184表2 PN0.6MPa（6bar）平面、突面对焊钢制管法兰 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dfNSH1R数量n螺纹规格系列系列系列系列1017.2147550114M103321228261.6631521.3188055114M103821230301.8632026.9259065114M104821432381.8642533.73210075114M105821435422.0643242.43812090144M126921635552.36GB/T 9115.1200054048.345130100144M127821638622.3755060.357140110144M128821638742.3856576.176160130144M1210821638882.6968088.989190150184M16124218421022.9106100114.3108210170184M16144218451303.2106125139.7133240200188M16174218481553.6106150168.3159265225188M16199220481844.0128200219.1219320280188M16254222552364.51582502732733753351812M16309224602905.01510300323.93254403952212M20363224623425.61510350355.63774904452212M20413224623853905.61510400406.44265404952216M20463224654384406.31510表2（完）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dfNSH1R数量n螺纹规格系列系列系列系列4504574805955502216M20518224654924946.315125005085306456002220M20568226685385456.315126006106307557052620M24667230706406506.316127007117208608102624M2477252670740740由用户规定16GB/T 9115.12000128008138209759203024M278785267084284416129009149201 0751 0203024M279785267094294416121 0001 0161 0201 1751 1203028M271 078526701 04516121 2001 2201 4051 3403332M301 295528901 24820121 4001 4201 6301 5603636M331 510532901 45220121 6001 6201 8301 7603640M331 710534901 65520121 8001 8202 0451 9703944M361 9185361001 85520152 0002 0202 2652 1804248M392 1255381102 05825152 2002 2202 4752 3904252M392 3356421152 26025152 4002 4202 6852 6004256M392 5456441252 46225152 6002 6202 9052 8104860M452 7506461302 66525152 8002 8203 1153 0204864M452 9606481352 865301553 0003 0203 3153 2204868M453 1606501403 0683015表3 PN1.0MPa（10bar）平面、突面对焊钢制管法兰 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dfNSH1R数量n螺纹规格系列系列系列系列10GB/T 9115.12000使用PN4.0MPa法兰尺寸15202532405065使用PN1.6MPa法兰尺寸80100125150200219.1219340295228M20266224622346.31682502732733953502212M20319226682886.31610300323.93254454002212M20370226683427.11610350355.63775054602216M20429226683904008.01610400406.44265655152616M24480226724404458.816104504574806155652620M245302287248850010.016125005085306706202620M245822287554055011.016126006106307807253020M276822348064065012.518127007117208958403024M2779453080746744有用户规定18128008138201 0159503324M309015329084885018129009149201 1151 0503328M301 0015349594895020121 0001 0161 0201 2301 1603628M331 112534951 05020121 2001 2201 4551 3803932M361 3285381151 25625121 4001 4201 6751 5904236M391 530542120l 46025121 6001 6201 9151 8204840M451 7505461301 66625121 8001 8202 1152 0204844M451 9505501401 86630152 0002 0202 3252 2304848M452 1505541502 0703015表4 PN1.6MPa（16bar）平面、突面对焊钢制管法兰 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dfNSH1R数量n螺纹规格系列系列系列系列1050使用PN4.0MPa法兰尺寸6576.176185145184M1611822045922.91068088.989200160188M16132220501103.2106100114.3108220180188M16156222521303.6126125139.7133250210188M16184222551584.0126150168.3159285240228M20211224551844.512GB/T 9115.120008200219.12193402952212M20266224622346.31682502732734053552612M24319226702886.31610300323.93254604102612M24370228783427.11610350355.63775204702616M24429230823904008.01610400406.44265805253016M27480232854444508.816104504574806405853020M275482408749050610.016125005085307156503320M306092449054655911.016126006106308407703620M337202549565066012.518127007117209108403624M33794538100750750由用户规定18128008138201 0259503924M3690153810584885020129009149201 1251 0503928M361 00154011094895820121 0001 0161 0201 2551 1704228M391 1125421201 0561 06022121 2001 2201 4851 3904832M451 3285481301 26030121 4001 4201 6851 5904836M451 5305521451 46530121 6001 6201 9301 8205540M521 7505581601 66835121 8001 8202 1302 0205544M521 9505621701 870351572 0002 0202 3452 2306048M562 1505661902 0724015表5 PN2.5MPa（25bar）平面、突面对焊钢制管法兰 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X螺栓孔径L螺栓DfNSH1R数量n螺纹规格系列系列系列系列10GB/T 9115.12000使用PN4.0MPa法兰尺寸1520253240506580100125150200219.12193603102612M24274230802446.31682502732734253703012M27330232882966.31810300323.93254854303016M27389234923507.11810350355.63775554903316M3044823810039840682010400406.44266205503616M335032401104524648.820104504574806706003620M335482461105005141020125005085307306603620M336092481255585701120126006106308457703920M3672025812566067012.520127007117209608754224M39820546125760766由用户规定20128008138201 0859904824M4592855013586487422129009149201 1851 0904828M451 02855414596897424121 0001 0161 0201 3201 2105528M521 1405581551 0701 0742412表6 PN4.0MPa（40bar）平面、突面对焊钢制管法兰 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dfNSHlR数量n螺纹规格系列系列系列系列1017.2149060144M124121435282.3631521.3189565144M124621438323.2632026.92510575144M125621640403.2642533.73211585144M126521640463.2643242.438140100184M167621842563.6654048.345150110184M168421845643.67GB/T 9115.1200055060.357165125184M169922048744.0856576.176185145188M1611822252925.01068088.989200160188M16132224581105.6126100114.3108235190228M20156224651346.3126125139.7133270220268M24184226681626.3126150168.3159300250268M24211228751907.1128200219.12193753203012M27284234882448.01682502732734503853312M3034523810530610.01810300323.93255154503316M3040924211536210.01810350355.63775805103616M3346524612540841811.02010400406.44266605853916M3653525013546248012.520104504574806856103920M3656025713550053014.220125005085307556704220M3961525714056258016.0201296006106308907954820M4573527215066668617.52012表7 PN6.3MPa（63bar）突面对焊钢制管法兰 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 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dfNSH1R数量n螺纹规格系列系列系列系列1017.21410070144M124l22045323631521.31810575144M124622045343.2632026.92513090184M165622052423.6642533.732140100184M166522458523.6843242.438155110224M207622460603.68GB/T 9115.1200054048.345170125224M2084226627041055060.357180135224M2099226628251056576.176205160228M20118226689861268088.989215170228M20132228721126126100114.3108250200268M24156230781387126125139.7133295240308M27184234881687.5126150168.3159345280338M30211236952028.5128200219.12194153453612M3328424211025610.51682502732734704003612M3334524612531613.51810300323.93255304603616M3340925214037215.51810350355.63776005253916M3646525615042043017.52010400406.44266705854216M39535260160475484202010表8 PN10.0MPa（100bar）突面对焊钢制管法兰 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dfNSH1R数量n螺纹规格系列系列系列系列1017.21410070144M124122045323631521.31810575144M124622045343.2632026.92513090184M165622052423.6642533.732140100184M166522458523.6843242.438155110224M207622460603.68GB/T 9115.1200054048.345170125224M2084226627041055060.357195145264M2499228689061056576.176220170268M241182307610871268088.989230180268M24132232781207126100114.3108265210308M27156236901508126125139.7133315250338M3018424010518010.5126150168.31593552903312M302112441152101.5128200219.12194303603612M3328425213027814.51682502732735054303912M3634526015734018.51810300323.93255855004216M3940926817040020.51810350355.63776555604816M4546527418946022.5201011400406.44267156204816M45535282205510252010表9 PN16.0MPa（160bar）突面对焊钢制管法兰 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 颈法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dfNSH1R数量n螺纹规格系列系列系列系列1017.21410070144M124122445323631521.31810575144M124622645343.2632026.92513090184M165623052423.6642533.732140100184M166523258523.68GB/T 9115.1200043242.438155110224M207623460603.6854048.345170125224M2084236647041055060.357195145264M2499238759061056576.176220170268M241182428210871268088.989230180268M24132246861207126100114.3108265210308M271562521001508126125139.7133315250338M3018425611518010.5146150168.31593552903312M3021126212821012.5148200219.12194303603612M33284266140278161682502732735154304212M39345276155340201810300323.93255855004216M3940928817540022.21810nL7HCDKARNBA图3 平面（FF）对焊钢制管法兰（适用于PN2.0MPa）nLf7CHdDKRNBA图4 突面（RF）对焊钢制管法兰（适用于PN2.0和PN5.0MPa）nL7fCHdKDNBA图5 突面（RF）对焊钢制管法兰（适用于PN11.0、PN15.0、PN26.0和PN42.0MPa）表10 PN2.0MPa（20bar）平面、突面对焊钢制管法兰 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 颈法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dfNR数量n螺纹规格1521.39060.5164M1435211.5483016.02026.910070164M1443213523821.02533.711079.5164M1451214.5564926.53242.412089164M1463.5216575935.04048.313098.5164M1473217.5626541.05060.3150120.5184M1692219.56478GB/T 9115.1200052.56573.0180139.5184M16105222.5709062.58088.9190152.5184M161272247010878.0100114.3230190.5188M16157.522476135102.5125141.3255216228M2018622489164128.0150168.3280241.5228M20216225.589192154.0200219.1345298.5228M20270229102246202.5250273.04053622612M24324230.5102305254.5300323.94854322612M2438123211436510305.0350355.653547629.512M2741323512740010由用户规定400406.460054029.516M274702371274571045045763557832.516M30533.52401405051050050870063532.520M30584.52431455591015600610815749.535.520M33692.524815266410表11 PN5.0MPa（50bar）突面对焊钢制管法兰 mm 16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dfNR数量n螺纹规格1521.39566.5164M1435214.5523816.02026.912082.5184M1643216.0574821.02533.712589.0184M1651217.5625426.53242.413598.5184M1663.5219.5656435.04048.3155114.5224M2073221.0687041.05060.3165127.0188M1692222.5708452.56573.0190149.0228M20105225.576100GB/T 9115.1200062.58088.9210168.5228M20127229.07911878.0100114.3255200.0228M20157.5232.086146102.5125141.3280235.0228M20186235.098178128.0150168.3320270.02212M20216237.098206154.0200219.1380330.02612M24270241.5111260202.5250273.0445387.529.516M27324248.0117321254.5300323.9520451.032.516M30381251.013037510305.0350355.6585514.532.520M30413254.014342610由用户规定400406.4650571.535.520M33470257.514648310450457710628.535.524M33533.5260.515953310500508775686.035.524M33584.5263.516258710600610915813.04224M39692.5270.016870210表12 PN11.0MPa（110bar）突面对焊钢制管法兰 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df数量n螺纹规格1521.39566.5164M1435714.55238GB/T 9115.12000由用户规定2026.912082.5184M1643716.057482533.712589.0184M1651717.562543242.413598.5184M1663.5721.067644048.3155114.5224M2073722.570705060.3165127.0188M1692725.573846573.0190149.0228M20105729.0791008088.9210168.5228M20127732.083117100114.3275216.0268M24157.5738.5102152125141.3330267.029.58M27186744.5114189150168.3355292.029.512M27216748.0117222200219.1420349.032.512M30270755.5133273250273.0510432.035.516M33324763.5152343300323.9560489.035.520M33381767.0156400350355.6605527.03920M36413770.0165432400406.4685603.04220M39470776.5178495450457745654.04520M42533.5783.0184546500508815724.04524M42584.5789.0190610171600610940838.05124M48692.57102.0203718表13 PN15.0MPa（150bar）突面对焊钢制管法兰 mm 18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df数量n螺纹规格15使用PN26.0MPa法兰尺寸2025324050658088.9240190.5268M24127738.5102127GB/T 9115.12000 由用户 规定100114.3290235.032.58M30157.5744.5114159125141.3350279.535.58M33186751.0127190150168.3380317.532.512M30216756.0140235200219.1470393.53912M36270763.5162298250273.0545470.03916M36324770.0184368300323.9610533.53920M36381779.5200419350355.6640559.04220M39413786.0213451400406.4705616.04520M42470789.0216508450457785686.05120M48533.57102.0229565500508855749.55520M52584.57108.02486726006101 040901.568