刀型闸阀Manual knife gate valve
设计制造 Design and manufacture: JB/T8691-1998
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 | 碳钢、不锈钢Carbon steel, stainless steel |
| 阀板Valve plate | 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 |
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