公称通经DN数量n螺纹规格109060144M1241214159565144M12462142010575144M12562162511585144M126521632140100184M167621840150110184M168421850165125184M169922065185145184M1611822080200160188M16132220100220180188M16156222125250210188M20184222150285240188M20211224200340295228M202662242503953502212M203192263004454002212M203702263505054602216M244292264005655152216M244802264506155652220M245302285006706202620M275822286007807253020M276822347008958403024M3079453480010159503324M30901536900111510503328M3310015381000123011603628M3611125381200145513803932M3913285441400167515904236M4515305481600191518204840M4517505521800211520204844M4519505562000232522304848M452150560数量n螺纹规格109060144M1241214159565144M12462142010575144M12562162511585144M126521632140100184M167621840150110184M168421850165125184M1699220GB/T9113法兰标准GB/T 9113