结构长度 structural length: GB/T15188.2-94
法兰连接 Flange connection: GB/T9113.1-2000 JB/T79-94
试验与验收 testing and acceptance: GB/T13927-92
主要零部件材质 Key parts material
阀体、上盖Valve body, upper cap 铸铁，碳钢、不锈钢Carbon steel, stainless steel
阀板Valve plate 铸铁，碳钢，不锈钢stainless steel
阀杆Stem 不锈钢stainless steel
密封圈Seal ring 橡胶、四氟、不锈钢、硬质合金Rubber, PTFE, stainless steel,hard alloy
主要性能规范 Key performance indicators
公称压力Nominal pressure PN
壳体试验Casing test 1.5XPN
密封试验Leak test 1.1XPN
工作温度Operating temperature 橡胶≤80℃ 四氟密封≤180℃ 硬密封≤425℃Rubber 80℃, PTFE≤180℃, hard sealing ≤425℃
适用介质Working medium 糖浆、纸浆、污水、煤浆、灰、渣水混合物Syrup, paper pulp, sewage, coal slurry, dust, slag-water mix
