化工法兰标准

板式平焊钢制管法兰（欧洲体系）HG20593-971. 主题内容与合用范围本标准规定了板式平焊钢制管法兰（欧洲体系）的型式、尺寸、技术规定和有关使用规定。本标准合用与公称压力 PN0.25MPa（2.5bar）~PN2.5MPa（25bar 的板式平焊钢制管法兰。本标准规定了板式平焊法兰合用于 HG20592 所规定的A.B 两个钢管外径系列。2. 引用标准HG20592《钢制管法兰型式、参数（欧洲体系）》HG20603《钢制管法兰的技术条件（欧洲体系）》HG20604《钢制关法兰压力-温度等级（欧洲体系）》HG20605《钢制管法兰焊接接头和坡尺寸（欧洲体系）》HG20613《钢制管法兰用紧固件（欧洲体系）》HG20614《钢制管法兰，垫片，紧固件选配规定（欧洲体系）》3. 法兰密封面型式以及合用范围法兰的密封面型式有突面@「）.全平面（FF）两种.其尺寸选用按 HG20592 规定.突面法兰的密封面尺寸涉及在法兰厚度内,各中密封面的型式法兰合用压力如下表:密封面型式公称压力 PN , MPa (bar)0. 25 (2. 5)0.6(6)1.0(10)1.6(16)2.5(25)突面（RF ）DN10-2025DN10-6全平面（FF ）DN10-6HG20593-97 PN0.25MPa(2.5bar)板式平焊钢制管法兰(2025/08/14公称通径DN管子外径 A1连接尺寸法兰理论重量KGAB法兰外径D螺栓孔中心圆直径K螺栓孔直径L螺栓孔数量n螺纹Th法兰厚度CAB1017.2147550114M101218150.361521.3188055114M101222190.412026.9259065114M101427.5260.602533.732175114M101434.5330.733242.43812090144M121643.5391.194048.3451301144M121649.5461.385060.357140110144M121661.5591.516576.176160130144M121677.5781.858088.989190150184M161890.5912.941114.3108210170184M16181161103.41125139.71332402188M1620141.51354.53150168.3159265225188M1620170.51615.142219.1219320280188M1622221.52226.852502732733753351812M1624276.52768.963323.93254403952212M2024327.532811.9350355.63774904452212M2026359.538114.34406.44265404952216M202841143017.14504574805955502216M203046248520.5550853064562220M2032513.553523.766106307557052620M2436616.563633.777117208608102624M243671572444.288138209759203024M273881782458.69914920107510203024M274091892469.11010161020117511203028M27421020102479.41212191220137513203032M27441223122498.61414221420157515203036M274814261424124.41616261620179017303040M275116301624166.81818291820199019303044M27541833...