設(shè)計(jì)制造 Design and manufacture: JB/T8691-1998 
結(jié)構(gòu)長度 structural length: GB/T15188.2-94 
法蘭連接 Flange connection: GB/T9113.1-2000  JB/T79-94 
試驗(yàn)與驗(yàn)收  testing and acceptance: GB/T13927-92
主要零部件材質(zhì)  Key parts material
閥體、上蓋Valve body, upper cap 碳鋼、不銹鋼Carbon steel, stainless steel
閥板Valve plate 不銹鋼stainless steel
閥桿Stem 不銹鋼stainless steel
密封圈Seal ring 橡膠、四氟、不銹鋼、硬質(zhì)合金Rubber, PTFE, stainless steel,hard alloy
主要性能規(guī)范  Key performance indicators 
公稱壓力Nominal pressure PN
殼體試驗(yàn)Casing test 1.5XPN
密封試驗(yàn)Leak test 1.1XPN
工作溫度Operating temperature 橡膠≤80℃ 四氟密封≤180℃  硬密封≤425℃Rubber 80℃, PTFE≤180℃, hard sealing ≤425℃
適用介質(zhì)Working medium 糖漿、紙漿、污水、煤漿、灰、渣水混合物Syrup, paper pulp, sewage, coal slurry, dust, slag-water mi |