GB9123.4-2000环连接面钢制管法兰盖.pdf

GB/T 9123.42000中华人民共和国国家标准环连接面钢制管法兰盖Steel pipe blank flangeswith ring-joint faceGB/T 9123.42000代替GB/T 9123.319123.3619881 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的环连接面钢制管法兰盖的型式和尺寸。本标准适用于公称压力PN2.0PN42.0MPa的环连接面钢制管法兰盖。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PN2.0、PN5.0、PN11.0、PN15.0、PN26.0和PN42.0MPa环连接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。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)的环连接面钢制管法兰盖：法兰盖 DN80-PN50 RJ GB/T 9123.42000国家质量技术监督局2000-09-28批准 2001-07-01实施nLIEDC两支兰间距离S(近似值)23IER1FDKJP1)凸出部分的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全平面式。 图1 环连接面(RJ)钢制管法兰盖(适用于PN2.0、PN5.0、PN11.0、PN15.0、PN26.0和PN42.0MPa)表1 PN2.0MPa(20bar)环连接面钢制管法兰盖尺寸 mm公称通径DN连接尺寸密封面法兰厚度C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J minPEFR1 max数量n螺纹规格2511079.5164M14R1563.547.626.358.740.814.543212089.0164M14R1773.057.156.358.?40.816.044013098.5164M14R1982.565.076.358.740.817.5450150120.5184M16R22102.082.556.358.740.819.5465180139.5184M16R25121.0101.606.358.740.822.5480190152.5184M16R29133.0114.306.358.740.824.04100230190.5188M16R36171.0149.226.358.740.824.04125255216.0228M20R40194.0171.456.358.740.824.04150280241.5228M20R43219.0193.686.358.740.825.54200345298.5228M20R48273.0247.656.358.740.829.04250405362.02612M24R52330.0304.806.358.740.830.54300485432.02612M24R56406.0381.006.358.740.832.04350535476.029.512M27R59425.0396.886.358.740.835.03400600540.029.516M27R64483.0454.026.358.740.837.03450635578.032.516M30R68546.0517. 526.358.740.840.03500700635.032.520M30R72597.0558.806.358.740.843.03600815749.535.520M33R76711.0673.106.358.740.848.03表2 PN5.0MPa(50bar)环连接面钢制管法兰盖尺寸 mm公称通径DN连接尺寸密封面法兰厚度C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J minPEFR1 max数量n螺纹规格159566.5164M14R1151.034.145.567.140.814.532012082.5184M16R1363.542.886.358.740.816.042512589.0184M16R1670.050.806.358.740.817.543213598.5184M16R1879.560.326.358.740.819.5440155114.5224M20R2090.568.286.358.740.821.0450165127.0188M16R23108.082.557.9211.910.822.5665190149.0228M20R26127.0101.607.9211.910.825.5680210168.5228M20R31146.0123.827.9211.910.829.06100255200.0228M20R37175.0149.227.9211.910.832.06125280235.0228M20R41210.0180.987.9211.910.835.06150320270.02212M20R45241.0211.127.9211.910.837.06200380330.02612M24R49302.0269.887.9211.910.841.56250445387.529.516M27R53356.0323.857.9211.910.848.06300520451.032.516M30R57413.0381.007.9211.910.851.06350585514.532.520M30R61457.0419.107.9211.910.854.06400650571.535.520M33R65508.0469.907.9211.910.857.56450710628.535.524M33R69575.0533.407.9211.910.860.56500775686.035.524M33R73635.0584.209.5213.491.563.56600915813.04224M39R77749.0692.1511.1316.661.570.06表3 PN11MPa(110bar)环连接面钢制管法兰盖尺寸 mm公称通径DN连接尺寸密封面法兰厚度C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J minPEFR1 max数量n螺纹规格159566.5164M14R1151.034.145.567.140.814.532012082.5184M16R1363.542.886.358.740.816.042512589.0184M16R1670.050.806.358.740.817.543213598.5184M16R1879.560.326.358.740.821.0440155114.5224M20R2090.568.286.358.740.822.5450165127.0188M16R23108.082.557.9211.910.825.5565190149.0228M20R26127.0101.607.9211.910.829.0580210168.5228M20R31146.0123.827.9211.910.832.05100275216.0268M24R37175.0149.227.9211.910.838.55125330267.029.58M27R41210.0180.987.9211.910.844.55150355292.029.512M27R45241.0211.127.9211.910.848.05200420349.032.512M30R49302.0269.887.9211.910.855.55250510432.035.516M33R53356.0323.857.9211.910.863.55300560489.035.520M33R57413.0381.007.9211.910.867.05350605527.03920M36R61457.0419.107.9211.910.870.05400685603.04220M39R65508.0469.907.9211.910.876.55450745654.04520M42R69575.0533.407.9211.910.883.05500815724.04524M42R73635.0584.209.5213.491.589.05600940838.05124M48R77749.0692.1511.1316.661.5102.06表4 PN15.0MPa(150bar)环连接面钢制管法兰盖尺寸 mm公称通径DN连接尺寸密封面法兰厚度C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J minPEFR1 max数量n螺纹规格15使用PN26.0MPa法兰尺寸20253240506580240190.5268M24R31156.0123.827.9211.910.838.54100290235.032.58M30R37181.0149.227.9211.910.844.54125350279.535.58M33R41216.0180.987.9211.910.851.04150380317.532.512M30R45241.0211.127.9211.910.856.04200470393.53912M36R49308.0269.887.9211.910.863.54250545470.03916M36R53362.0323.857.9211.910.870.04300610533.53920M36R57419.0381.007.9211.910.879.54350640559.04220M39R62467.0419.1011.1316.661.586.04400705616.04520M42R66524.0469.9011.1316.661.589.04450785686.05120M48R70594.0533.4012.7019.841.5102.05500855749.55520M52R74648.0584.2012.7019.841.5108.056001040901.56820M64R78772.0692.1515.8826.972.4140.06表5 PN26.0MPa(260bar)环连接面钢制管法兰盖尺寸 mm公称通径DN连接尺寸密封面法兰厚度C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JminPEFRlmax数量n螺纹规格1512082.5224M20R1260.539.676.358.740.822.542013089.0224M20R1466.544.456.358.740.825.5425150101.5264M24R1671.550.806.358.740.829.0432160111.0264M24R1881.060.326.358.740.829.0440180124.029.54M27R2092. 068.286.358.740.832.0450215165.0268M24R24124.095.257.9211.910.838.5365245190.529.58M27R27137.0107.957.9211.910.841.5380265203.032.58M30R35168.0136.527.9211.910.848.03100310241. 535.58M33R39194.0161.927.9211.910.854.03125375292.0428M39R44229.0193.687.9211.910.873.53150395317.53912M36R46248.0211.129.5213.491.583.03200485393.54512M42R50318.0269.8811.1316.661.592.04250585482.55112M48R54371.0323.8511.1316.661.5108.04300675571.55516M52R58438.0381.0014.2723.011.5124.05350750635.06016M56R63489.0419.1015.8826.972.4133.56400825705.06816M64R67546.0469.9017.4830.182.4146.58450915774.57416M70R71613.0533.4017.4830.182.4162.08500985832.08016M76R75673.0584.2017.4833.322.4178.0106001 170990.59416M90R79794.0692.1520.6236.532.4203.511表6 PN42MPa(420bar)环连接面钢制管法兰盖尺寸 mm公称通径DN连接尺寸密封面法兰厚度C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J minPEFR1 max数量n螺纹规格1513589.0224M20R1365.042.886.358.740.830.5