GB9118.1-2000突面对焊环带颈松套钢制管法兰.pdf

中华人民共和国国家标准突面对焊环带颈松套钢制管法兰Loose hubbed steel pipe flanges with welding neck collar with raised faceGB/T 9118.12000代替GB/T 9118.19118.219881 范围本标准规定了公称压力PN为2.0、5.0、11.0、15.0、26.0和42.0MPa的突面对焊环带颈松套钢制管法兰的型式和尺寸。本标准适用于公称压力PN2.0PN42.0MPa的突面对焊环带颈松套钢制管法兰。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PN2.0、PN5.0、PN11.0、PN15.0、PN26.0和PN42.0MPa突面对焊环带颈松套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。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5.0MPa(50bar)的突面对焊环带颈松套钢制管法兰：法兰 DN80-PNS0 RF GB/T 9118.12000国家质量技术监督局2000-09-28批准 2001-07-01实施nLt2L1(L2)t1HCR2RDKdNBA注：t1为短节壁厚，一般为钢管壁厚；t2应不小于钢管最小壁厚。图1 突面（RF）对焊环带颈松套钢制管法兰（适用于PN2.0、PN5.0、PN11.0、PN15.0、PN26.0和PN42.0MPa）7表1 PN2.0MPa（20bar）突面对焊环带颈松套钢制管法兰 mm公称通径DN焊环端部外径(钢管外径)A连 接 尺 寸密封面直径d法兰厚度C法兰高度H颈部直径N法兰孔焊环高度法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓B minR、R2型L1型L2数量n螺纹规格1521.39060.5164M143511.51630233100502026.910070164M1443131638283100502533.711079.5164M145114.51749353100503242.412089164M1463.516215943.55100504048.313098.5164M147317.52265506100505060.3150120.5184M169219.5257862.58150GB/T 9118.12000656573.0180139.5184M1610522.5299075.58150658088.9190152.5184M16127243010891.51015065100114.3230190.5188M16157.524331351171115075125141.3255216228M201862436164144.51120075150168.3280241.5228M2021625.540192171.51320090200219.1345298.5228M20270294524622213200100250273.04053622612M2432430.549305277.513250125300323.94854322612M24381325636532813250150350355.653547629.512M27413357940036013由用户规定400406.460054029.516M2747037874574111345045763557832.516M30533.54097505462.51350050870063532.520M30584.543103559514.5133600610815749.535.520M33692.548111664616134表2 PN5.0MPa（50bar）突面对焊环带颈松套钢制管法兰 mm公称通径DN焊环端部外径(钢管外径)A连 接 尺 寸密封面直径d法兰厚度C法兰高度H颈部直径N法兰孔焊环高度法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓B minR、R2型L1型L2数量n螺纹规格1521.39566.5164M143514.52238233100502026.912082.5184M164316.02548283100502533.712589.0184M165117.52754353100503242.413598.5184M1663.519.5276443.55100504048.3155114.5224M207321.03070506100505060.3165127.0188M169222.5338462.58150GB/T 9118.12000656573.0190149.0228M2010525.53810075.58150658088.9210168.5228M2012729.04311891.51015065100114.3255200.0228M20157.532.0481461171115075125141.3280235.0228M2018635.051178144.51120075150168.3320270.02212M2021637.052206171.51320090200219.1380330.02612M2427041.56226022213200100250273.0445387.529.516M2732448.095321277.513250125300323.9520451.032.516M3038151.010237532813250150350355.6585514.532.520M3041354.011142636013由用户规定400406.4650571.535.520M3347057.512148341113450457710628.535.524M33533.560.5130533462.513500508775686.035.524M33584.563.5140587514.513600610915813.04224M39692.570.015270261613表3 PN11.0MPa（110bar）突面对焊环带颈松套钢制管法兰 mm公称通径DN焊环端部外径(钢管外径)A连 接 尺 寸密封面直径d法兰厚度C法兰高度H颈部直径N法兰孔焊环高度法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓B minR、R2型L1型L2数量n螺纹规格1521.39566.5164M143514.52238233100502026.912082.5184M164316.02548283150652533.712589.0184M165117.52754353150653242.413598.5184M1663.521.0296443.55150654048.3155114.5224M207322.53270506150755060.3165127.0188M169225.5378462.58150GB/T 9118.12000756573.0190149.0228M2010529.04110075.58200908088.9210168.5228M2012732.04611791.510200100100114.3275216.0268M24157.538.55415211711250125125141.3330267.029.58M2718644.560189144.511250150150168.3355292.029.512M2721648.067222171.513300175200219.1420349.032.512M3027055.57427322213300190250273.0510432.035.516M3332463.5111343277.513350200300323.9560489.035.520M3338167.011740032813350250350355.6605527.03920M3641370.012743236013由用户规定400406.4685603.04220M3947076.514049541113450457745654.04520M42533.583.0152546462.513500508815724.04524M42584.589.0165610514.513600610940838.05124M48692.5102.01847186161356表4 PN15.0MPa（150bar）突面对焊环带颈松套钢制管法兰 mm公称通径DN焊环端部外径(钢管外径)A连 接 尺 寸密封面直径d法兰厚度C法兰高度H颈部直径N法兰孔焊环高度法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓BminR、R2型L1型L2数量n螺纹规格15使用PN26.0MPa法兰尺寸2025324050658088.9240190.5268M2413838.55412791.510250GB/T 9118.12000125100114.3290235.032.58M3016844.57015911711300175125141.3350279.535.58M3319751.079190144.511300200150168.3380317.532.512M3022756.086235171.513300200200219.1470393.53912M3628163.511429822213300200250273.0545470.03916M3633570.0127368277.513350250300323.9610533.53920M3639279.514341932813350250350355.6640559.04220M3942486.015645136013由用户规定400406.4705616.04520M4248189.016550841113450457785686.05120M48544102.0191565462.513500508855749.55520M52595108.0210622514.5136006101 040901.56820M64703.5140.029274961613表5 PN26.0MPa（260bar）突面对焊环带颈松套钢制管法兰 mm公称通径DN焊环端部外径(钢管外径)A连 接 尺 寸密封面直径d法兰厚度C法兰高度H颈部直径N法兰孔焊环高度法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓BminR、R2型L1型L2数量n螺纹规格1521.312082.5224M203522.53238233150752026.913089.0224M204325.53544283150752533.7150101.5264M245129.04152353200903242.4160111.0264M2463.529.0416443.55200904048.3180124.029.54M277332.04470506200905060.3215165.0268M249238.55710562.582501256573.0245190.529.58M2710541.56412475.58250GB/T 9118.120001508088.9265203.032.58M3012748.07313391.510250150100114.3310241.535.58M33157.554.09016211711300200125141.3375292.0428M3918673.5105197144.511300200150168.3395317.53912M3621683.0119229171.513350250200219.1485393.54512M4227092.014329222213350250250273.0585482.55112M48324108.0178368277.513400300300323.9675571.55516M52381124.021945132813400300350355.6750635.06016M56413133.524149536013由用户规定400406.4825705.06816M64470146.526055241113450457915774.57416M70533.5162.0276597462.513500508985832.08016M76584.5178.0292641514.5136006101 170990.59416M90692.5203.53307626161378表6 PN42.0MPa（420bar）突面对焊环带颈松套钢制管法兰 mm公称通径DN焊环端部外径(钢管外径)A连 接 尺 寸密封面直径d法兰厚度C法兰高度H颈部直径N法兰孔焊环高度法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓B minR、R2型L1型L2数量n螺纹规格1521.313589.