GB9123.2-2000凹凸面钢制管法兰盖.pdf

GB/T 9123.22000中华人民共和国国家标准凹凸面钢制管法兰盖Steel pipe blank flangeswith male and female faceGB/T 9123.22000代替GB/T 9123.179123.2319881 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的凹凸面钢制管法兰盖的型式和尺寸。本标准适用于公称压力PN1.6PN26.0MPa的凹凸面钢制管法兰盖。 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 法兰盖的型式与尺寸3.1 PN1.6、PN2.5、PN4.0、PN6.3、PN10.0和PN16.0MPa凹凸面钢制管法兰盖的型式应符合图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凹凸面钢制管法兰盖的型式应符合图2的规定，尺寸应符合表7表10的规定。4 法兰盖的技术要求4.1 法兰盖的技术要求应符合GB/T 9124的规定。4.2 法兰盖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。5 标记5.1 法兰盖应按公称通径、公称压力、密封面型式代号和标准编号进行标记。5.2 法兰盖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5.0MPa（50bar）的凸面钢制管法兰盖：法兰盖 DN80-PN50 M GB/T 9123.22000公称通径80mm、公称压力2.5MPa（25bar）的凹面钢制管法兰盖：法兰盖 DN80-PN25 F GB/T 9123.22000国家质量技术监督局2000-09-28批准 2001-07-01实施f2CDKYdf1CnLX图1 凹凸面（MF）钢制管法兰盖（适用于PN1.6、PN2.5、PN4.0、PN6.3、PN10.0和PN16.0MPa）表1 PN1.6MPa（16bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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10使用PN4.0MPa法兰尺寸15202532405065185145184M16118109110432080200160188M161321201214320100220180188M161561491504.53.522125250210188M161841751764.53.522150285240228M202112032044.53.5242003402952212M202662592604.53.5242504053552612M243193123134.53.5263004604102612M243703633644.53.5283505204702616M2442942142254304005805253016M2748047347454324506405853020M2754852352454405007156503320M3060957557654446008407703620M3372067567654547009108403624M3379477777854488001 0259503924M3690188288354529001 1251 0503928M361 00198798854581 0001 2551 1704228M391 1121 0921 09465641 2001 4851 3904832M451 3281 2921 2946576表2 PN2.5MPa（25bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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10使用PN4.0MPa法兰尺寸15202532405065801001251502003603102612M242742592604.53.5302504253703012M273303123134.53.5323004854303016M273893633644.53.5343505554903316M3044842142254384006205503616M3350347347454404506706003620M3354852352454465007306603620M3360957557654486008457703920M367206756765458表3 PN4.0MPa（40bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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109060144M124134354314159565144M1246394043142010575144M1256505143162511585144M12665758431632140100184M16766566431840150110184M16847576431850165125184M16998788432065185145188M16118109110432280200160188M161321201214324100235190228M201561491504.53.524125270220268M241841751764.53.526150300250268M242112032044.53.5282003753203012M272842592604.53.5342504503853312M303453123134.53.5383005154503316M304093633644.53.5423505805103616M3346542142254464006605853916M3653547347454504506856103920M3656052352454575007556704220M3961557557654576008907954820M457356756765472表4 PN6.3MPa（63bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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1010070144M1241343543201510575144M1246394043202013090184M16565051432025140100184M16655758432432155110224M20766566432440170125224M20847576432650180135224M20998788432665205160228M20118109110432680215170228M201321201214328100250200268M241561491504.53.530125295240308M271841751764.53.534150345280338M302112032044.53.5362004153453612M332842592604.53.5422504704003612M333453123134.53.5463005304603616M334093633644.53.5523506005253916M3646542142254564006705854216M395354734745460表5 PN10.0MPa（100bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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1010070144M1241343543201510575144M1246394043202013090184M16565051432025140100184M16655758432432155110224M20766566432440170125224M20847576432650195145264M24998788432865220170268M24118109110433080230180268M241321201214332100265210308M271561491504.53.536125315250338M301841751764.53.5401503552903312M302112032044.53.5442004303603612M332842592604.53.5522505054303912M363453123134.53.5603005855004216M394093633644.53.5683506555604816M4546542142254744007156204816M455354734745482表6 PN16.0MPa（160bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓dXYf1f2法兰厚度数量n螺纹规格C1010070144M1241343543241510575144M1246394043262013090184M16565051433025140100184M16655758433232155110224M20766566433440170125224M20847576433650195145264M24998788433865220170268M24118109110434280230180268M241321201214346100265210308M271561491504.53.552125315250338M301841751764.53.5561503552903312M302112032044.53.5622004303603612M332842592604.53.5662505154304212M393453123134.53.5763005855004216M394093633644.53.588nLCXf2CYdKD图2 凹凸面（FM）钢制管法兰盖（适用于PN5.0、PN11.0、PN15.0和PN26.0MPa）表7 PN5.0MPa（50bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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159566.5164M14463536.57514.52012082.5184M16544344.57516.02512589.0184M16625152.57517.53213598.5184M167363.565.07519.540155114.5224M20847374.57521.050165127.0188M161039293.57522.565190149.0228M20116105106.57525.580210168.5228M20138127128.57529.0100255200.0228M20168157.5159.07532.0125280235.0228M20197186187.57535.0150320270.02212M20227216217.57537.0200380330.02612M24281270271.57541.5250445387.529.516M27335324325.57548.0300520451.032.516M30392381382.57551.0350585514.532.520M30424413414.57554.0400650571.535.520M33481470471.57557.5450710628.535.524M33544533.55357560.5500775686.035.524M33595584.55867563.5600915813.04224M39703.5692.56947570.0表8 PN11.0MPa（110bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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159566.5164M14463536.57514.52012082.5184M16544344.57516.02512589.0184M16625152.57517.53213598.5184M167363.565.07521.040155114.5224M20847374.57522.550165127.0188M161039293.57525.565190149.0228M20116105106.57529.080210168.5228M20138127128.57532.0100275216.0268M24168157.5159.07538.5125330267.029.58M27197186187.57544.5150355292.029.512M27227216217.57548.0200420349.032.512M30281270271.57555.5250510432.035.516M33335324325.57563.5300560489.035.520M33392381382.57567.0350605527.03920M36424413414.57570.0400685603.04220M39481470471.57576.5450745654.04520M42544533.55357583.0500815724.04524M42595584.55867589.0600940838.05124M48703.5692.569475102.0表9 PN15.0MPa（150bar）凹凸面钢制管法兰盖 mm公称通径DN连接尺寸密封面法兰厚度C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15使用PN26.0MPa法兰尺寸20253240506580240190.5268M24138127128.57538.5100290235.032.58M30168157.5159.07544.5125350279.535.58M33197186187.57551.0150380317.532.512M30227216217.57556.0200470393.53912M36281270271.57563.5250545470.03916M36335324325.57570.0300610533.53920M36392381382.57579.5350640559.04220M39424413414.57586.0400705616.04520M42481470471.57589.0450785686.05120M48544533.553575102.0500855749.55520M52595584.558675108.06001 040901.56820M64703.5692.569475140.0表10 PN26.0MPa（260bar）凹凸面钢制管法兰盖 mm公称