法兰外径D系列1/系列2螺栓孔中心园直径K螺栓孔直径L系列1/系列2螺栓数量n螺纹 Th系列1/系列210149060144M1215189565144M12202510575144M12253211585144M123238140/135100184M164045150/145110184M165057165/160125184M166573185/180145184M168089200/195160184M16100108220/215180188M16125133250/245210188M16150159285/280240238M20200219340/335295238M20250273395/3903502312M20300325445/4404002312M20350377505/5004602316M2040042656551526/2516M24/M2245048061556526/2520M24/M2250053067062026/2520M24/M22法兰外径D系列1/系列2螺栓孔中心园直径K螺栓孔直径L系列1/系列2螺栓数量n螺纹 Th系列1/系列210149060144M1215189565144M12202510575144M12253211585144M123238140/135100184M164045150/145110184M165057165/160125184M166573185/180145184M168080200/195160188M16100108220/215180188M16125133250/245210188M16150159285/280240238M20200219340/3352952312M2025027340535526/2512M24/M2230032546041026/2512M24/M2235037752047026/2516M24/M224004265805253016M274504806405853020M27500530715/7056503420M30PN1.0Mpa钢制管、法兰尺寸连接尺寸螺栓PN1.6Mpa钢制管、法兰尺寸连接尺寸螺栓管子外径A公称通径DN公称通径DN管子外径A法兰外径D系列1/系列2螺栓孔中心园直径K螺栓孔直径L系列1/系列2螺栓数量n螺纹 Th系列1/系列210149060144M1215189565144M12202510575144M12253210585144M123238140/135100184M164045150/145110184M165057165/160125184M166573185/180145188M168089200/195160188M16100108235/230190238M2012513327022026/258M24/M2215015930025026/258M24/M2220021936031026/2512M24/M222502734253703012M273003254854303016M27350377555/5504903416M30400426620/61055036/3416M33/M90450480670/66060036/3420M33/M9050053073066036/4120M33/M90数量n螺纹Th系列1/系列2109060144M1212159565144M12122010575144M12122511580144M121232140/135100184M161240150/145110184M161450165/160125184M161465185/180145184M161480200/195160184M1614100220/215180188M1614125250/245210188M1616150285/280240238M2016200340/335295238M2016250395/3903502312M2018300445/4404002312M2020350505/5004602316M202440056551526/2516M24/M222645061556526/2520M24/M2228PN2.5Mpa钢制管、法兰尺寸连接尺寸螺栓连接尺寸螺栓、螺柱管子外径A...
