一、主要性能規范 試驗壓力公稱壓力( MPa )1.62.54.06.410.0殼體試驗2.43.86.09.615.0密封試驗1.82.84.47.111.0閥體材料WCB(C)CF8(P)CF 8M (R)WC6WC9工作溫度≤ 425≤ 100≤ 100≤ 550≤ 550適用介質水、蒸汽、油品硝#酸#類醋酸類水、蒸汽水、蒸汽 二、執行標準: 設計制造: GB12236 結構長度: GB12221 連接法蘭: JB/T79-1994 試驗與檢驗: JB/T9092-1999 三、主要連接尺寸公稱通徑PN1.6/2.5MPaPN4.0MPaPN6.4/10.0MPaLHLHLH系列 1系列 2系列 1系列 2DN40200200130200200130260160DN50230230135230230135300170DN65290290145290290145340180DN80310310175310310175380245DN100350350200350350200430290DN125400400255400400255500320DN150480480320480480320550360DN200495550380533550380650430DN250622650440622650440775505DN300698750480711750520900555DN3507878505308388505401025595DN4008649505608649505901150680DN450978105062097810506501275780DN500978115065597811507201400970