JBT82.1-94法兰标准

JB/T82.1-94 PN1.0MPa 凸面对焊钢制管法兰减小字体增大字体作者：法兰标准之家来源：本站整理发布时间：2012-07-23 11:37:59中华人民共和国机械行业标准,JB/T82.1-94 凸面对焊钢制管法兰代替法兰标准 JB 82-591.主题内容与适用范围 本标准规定了公称压力PN为0.25,0.6,1.0,1.6,2.5,4.0MPa的凸面对焊钢制管法兰的型式和尺寸. 本标准适用于公称压力PN0.254.0MPa的凸面式平焊钢制管法兰.2.引用标准JB/T 74 管路法兰 技术条件3.法兰的型式和尺寸应符合下方图纸和表格的规定4.法兰技术条件按JB/T 74的规定5.法兰的公称压力和不同温度下的最大允许工作压力按JB/T 74 附录B的规定.6.标记示例公称通径300mm,公称压力1.0MPa,尺寸为系列2的凸面对焊钢制管法兰:法兰 300-10 JB/T82.1-94公称通径300mm,公称压力1.0MPa,尺寸为系列1的凸面对焊钢制管法兰:法兰 300-10(系列1) JB/T82.1-94JB/T82.1-94PN 1.0Mpa 凸面对焊钢制管法兰尺寸公称通径DN管子外径A连 接 尺 寸密封面尺寸法兰厚度C法兰高度H法兰内径B颈部直径N圆角半径R法兰理论重量Kg法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2螺栓 螺柱df数量n螺纹Th系列1/系列210149060144M12402123582540.5215189565144M124521235123040.59202510575144M125521438183840.88253211585144M126521440254541.063238140/135100184M167821642315541.724045150/145110184M168531645386241.905057165/160125184M1610031645497642.356573185/180145184M1612031848669453.268089200/195160184M16135318507810553.77100108220/215180188M16155320529612854.91125133250/245210188M161853226012115666.91150159285/280240238M202103226014618068.38175194310270238M202403226017721069.39200219340/335295238M2026532262202240611.27225245365325238M2029532265226268613.11250273395/3903502312M2032032465254290814.78300325445/4404002312M2036842665303345818.85350377505/5004602316M2042842665351400824.1840042656551526/2516M24/M22482426653984451028.7445048061556526/2520M24/M22532426704505001234.2150053067062026/2520M24/M22585428785015501240.156006307807253020M27685528906026501250.457007208958403024M27800530906927441468.718008201015/10109503424M309055321067928501494.129009201115/111010503428M30100553410889295014109.74100010201230/1220116036/3428M