GB9115.4-2000环连接面对焊钢制管法兰

中华人民共和国国家标准环连接面对焊钢制管法兰Steel pipe welding neck flanges with ring-joint faceGB/T 9115.42000代替GB/T 9115.319115.3619881 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的环连接面对焊钢制管法兰的型式和尺寸。本标准适用于公称压力PN2.0PN42.0MPa的环连接面对焊钢制管法兰。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PN2.0、PN5.0、PN11. 0、PN15.0、PN26.0和PN42.0MPa环连接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。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）的环连接面对焊钢制管法兰：法兰 DN80-PN50 RJ GB/T 9115.42000国家质量技术监督局2000-09-28批准 2001-07-01实施23两法兰间距离S（近似值）7nLNARHCEDR1EIIFBPJKD1）凸出部分高度与梯形槽深度尺寸E相同，但不受尺寸E公差的限制。 允许采用如虚线所示轮廓的且平面型式。图1 环连接面（RJ）对焊钢制管法兰（适用于PN2.0、PN11.0、PN15.0、和PN42.0MPa）5表1 PN2.0MPa（20bar）环连接面对焊钢制管法兰 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两法兰间距离近似值S法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓槽号JminPEFR1maxNR数量n螺纹规格2533.711079.5164M14R1563.547.626.358.740.814.5564926.543242.412089164M14R1773.057.156.358.740.816575935.044048.313098.5164M14R1982.565.076.358.740.817.5626541.045060.3150120.5184M16R22102.082.556.358.740.819.5647852.5GB/T 9115.4200046573.0180139.5184M16R25121.0101.606.358.740.822.5709062.548088.9190152.5184M16R29133.0114.306.358.740.8247010878.04100114.3230190.5188M16R36171.0149.226.358.740.82476135102.54125141.3255216228M20R40194.0171.456.358.740.82489164128.04150168.3280241.5228M20R43219.0193.686.358.740.825.589192154.04200219.1345298.5228M20R48273.0247.656.358.740.829102246202.54250273.04053622612M24R52330.0304.806.358.740.830.5102305254.54300323.94854322612M24R56406.0381.006.358.740.83211436510305.04350355.653547629.512M27R59425.0396.886.358.?40.83512740010359.03400406.460054029.516M27R64483.0454.026.358.740.83712745710由用户规定345045763557832.516M30R68546.0517.526.358.740.84014050510350050870063532.520M30R72597.0558.806.358.?40.8431455591033600610815749.535.520M33R76711.0673.106.358.740.848152664103表2 PN5.0MPa（50bar）环连接面对焊钢制管法兰 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法兰颈法兰内径B两法兰间距离近似值S法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓槽号JminPEFR1maxNR数量n螺纹规格1521.39566.5164M14R1151.034.145.567.140.814.5523816.032026.912082.5184M16R1363.542.886.358.740.816.0574821.042533.712589.0184M16R1670.050.806.358.740.817.5625426.543242.413598.5184M16R1879.560.326.358.740.819.5656435.044048.3155114.5224M20R2090.568.286.358.740.821.0687041.0GB/T 9115.4200045060.3165127.0188M16R23108.082.557.9211.910.822.5708452.566573.0190149.0228M20R26127.0101.607.9211.910.825.57610062.568088.9210168.5228M20R31146.0123.827.9211.910.829.07911878.06100114.3255200.0228M20R37175.0149.227.9211.910.832.086146102.56125141.3280235.0228M20R41210.0180.987.9211.910.835.098178128.06150168.3320270.02212M20R45241.0211.127.9211.910.837.098206154.06200219.1380330.02612M24R49302.0269.887.9211.910.841.5111260202.56250273.0445387.529.516M27R53356.0323.857.9211.910.848.0117321254.56300323.9520451.032.516M30R57413.0381.007.9211.910.851.013037510305.06350355.6585514.532.520M30R61457.0419.107.9211.910.854.014342610由用户规定6400406.4650571.535.520M33R65508.0469.907.9211.910.857.5146483106450457710628.535.524M33R69575.0533.407.9211.910.860.5159533106500508775686.035.524M33R73635.0584.209.5213.491.563.5162587106600610915813.04224M39R77749.0692.1511.1316.661.570.0168702106表3 PN11.0MPa（110bar）环连接面对焊钢制管法兰 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两法兰间距离近似值S法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓槽号JminPEFR1max数量n螺纹规格1521.39566.5164M14R1151.034.145.567.140.814.55238由用户规定32026.912082.5184M16R1363.542.886.358.740.816.0574842533.712589.0184M16R1670.050.806.358.740.817.5625443242.413598.5184M16R1879.560.326.358.740.821.0676444048.3155114.5224M20R2090.568.286.358.740.822.5707045060.3165127.0188M16R23108.082.557.9211.910.825.5738456573.0190149.0228M20R26127.0101.607.9211.910.829.079100GB/T 9115.4200058088.9210168.5228M20R31146.0123.827.9211.910.832.0831175100114.3275216.0268M24R37175.0149.227.9211.910.838.51021525125141.3330267.029.58M27R41210.0180.987.9211.910.844.51141895150168.3355292.029.512M27R45241.0211.127.9211.910.848.01172225200219.1420349.032.512M30R49302.0269.887.9211.910.855.51332735250273.0510432.035.516M33R53356.0323.857.9211.910.863.51523435300323.9560489.035.520M33R57413.0381.007.9211.910.867.01564005350355.6605527.03920M36R61457.0419.107.9211.910.870.01654325400406.4685603.04220M39R65508.0469.907.9211.910.876.51784955450457745654.04520M42R69575.0533.407.9211.910.883.01845465500508815724.04524M42R73635.0584.209.5213.491.589.019061055600610940838.05124M48R77749.0692.1511.1316.661.5102.02037186表4 PN15.0MPa（150bar）环连接面对焊钢制管法兰 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法兰颈部直径N法兰内径B两法兰间距离近似值S法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓槽号JminPEFR1max数量n螺纹规格15GB/T 9115.42000使用PN26.0 MPa法兰尺寸2025324050658088.9240190.5268M24R31156.0123.827.9211.910.838.5102127由用户规定4100114.3290235.032.58M30R37181.0149.227.9211.910.844.51141594125141.3350279.535.58M33R41216.0180.987.9211.910.851.01271904150168.3380317.532.512M30R45241.0211.127.9211.910.856.01402354200219.1470393.53912M36R49308.0269.887.9211.910.863.51622984250273.0545470.03916M36R53362.0323.857.9211.910.870.01843684300323.9610533.53920M36R57419.0381.007.9211.910.879.52004194350355.6640559.04220M39R62467.0419.1011.1316.661.586.02134514400406.4705616.04520M42R66524.0469.9011.1316.661.589.02165084450457785686.05120M48R70594.0533.4012.7019.841.5102.02295655500508855749.55520M52R74648.0584.2012.7019.841.5108.024867256006101 040901.56820M64R78772.0692.1515.8826.972.4140.02677496表5 PN26.0MPa（260bar）环连接面对焊钢制管法兰 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两法兰间距离近似值S法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓槽号JminPEFR1max数量n螺纹规格1521.312082.5224M20R1260.539.676.358.740.822.56038由用户规定42026.913089.0224M20R1466.544.456.358.740.825.5704442533.7150101.5264M24R1671.550.806.358.740.829.0735243242.4160111.0264M24R1881.060.326.358.740.829.0736444048.3180124.029.54M27R2092.068.286.358.740.832.0837045060.3215165.0268M24R24124.095.257.9211.910.838.5102105GB/T 9115.4200036573.0245190.529.58M27R27137.0107.957.9211.910.841.510512438088.9265203.032.58M30R35168.0136.527.9211.910.848.01171333100114.3310241.535.58M33R39194.0161.927.9211.910.854.01241623125141.3375292.0428M39R44229.0193.687.9211.910.873.51551973150168.3395317.53912M36R46248.0211.129.5213.491.583.01712293200219.1485393.54512M42R50318.0269.8811.1316.661.592.02132924250273.0585482.55112M48R54371.0323.8511.1316.661.5108.02543684300323.9675571.55516M52R58438.0381.0014.2723.011.5124.02834515350355.6750635.06016M56R63489.0419.1015.8826.972.4133.52984956400406.4825705.06816M64R67546.0469.9017.4830.182.4146.53115528450457915774.57416M70R7l613.0533.4017.4830.182.4162.03275978500508985832.08016M76R75673.0584.2017.4833.322.4178.03566411076006101 170990.59416M90R79794.0692.1520.6236.532.4203.540676211表6 PN42.0MPa（420bar）环连接面对焊钢制管法兰 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法兰颈部直径N法兰内径B两法兰间距离近似值S法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓槽号JminPEFR1max数量n螺纹规格1521.313589.0224M20R1365.042.886.358.740.830.57343由用户规