產品詳情標準規范APPLICABLE STANDARDS  設計與制造Design：GB/T12237/1989  連接法蘭End Flange：GB9113.1  防火測試Fire Safe：API607 4th 1993  結構長度Face to Face：GB/T12221-1989  檢測與試驗Inspection&Testing：GB/T13927-1992    GB系列主要外型及連接尺寸表GB Main appearance and connection size talbe公稱壓力PN公稱通徑DNL￠E￠B￠CD1Tff1N-￠hHH1WMPA1A2B1B21.6151309565461424-144879135996636422013010575561624-145384135996636422514011585651624-146495170111167425032165140100761824-1871103170111167425040165150110841824-1876111200141479507050203165125992024-18851202001414795070652221851451182024-18104153300171791170105802412001601322028-181141633001717911701051003052201801562228-181401824002222non11non1051253562502101842228-18183260500272714non125Non1503942852402112428-22202280800272714non125Non20045734029526624212-222531100272714non125non2.5151409565461424-144879135996636422015210575561624-145384135996636422516511585651624-146495170111167425032178140100761824-1871103170111167425040190150110841824-1876111200141479507050216165125992024-18851202001414795070652411851451182228-18104153300171791170105802832001601322428-181141633001717911701051003052351901562428-221401824002222non11non1051253812702201842628-26183260500272714non125Non1504033002502112828-26202280800272714non125Non20050236031027430212-262531100272714non125non4.0151409565464014244-144879135996636422015210575565116244-145384135996636422516511585655816244-146495170111167425032178140100766618244-1871103170111167425040190150110847618244-1876111200141479507050216165125998820244-188512020014147950706524118514511811022248-181041533001717911701058028320016013212124248-181141633001717911701051003052351901561502424.58-221401824002222non11non1051253812702201841762624.58-26183260500272714non125Non1504033002502112042824.58-26202280800272714non125Non2005023853202842603424.512-302531100272714non125non