手動耐磨刀型閘閥Manual knife gate valve
設計制造 Design and manufacture: JB/T8691-1998
結構長度 structural length: GB/T15188.2-94
法蘭連接 Flange connection: GB/T9113.1-2000 JB/T79-94
試驗與驗收 testing and acceptance: GB/T13927-92
主要零部件材質 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、硬質合金Rubber, PTFE, stainless steel,hard alloy
主要性能規范 Key performance indicators
公稱壓力Nominal pressure PN
殼體試驗Casing test 1.5XPN
密封試驗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 mix
主要外形及連接尺寸Profile and connection dimension Unit:mm
公稱壓力Nominal pressure(MPa) 公稱通徑Nominal through diameter(mm) L D D1 D2 H N-M D0
1.0 50 48 160 125 100 285 4-M16 180
65 48 180 145 120 298 4-M16 180
80 50 195 160 135 315 4-M16 220
100 50 215 180 155 365 8-M16 220
125 57 245 210 185 400 8-M16 230
150 57 280 240 210 475 8-M20 280
200 70 335 295 265 540 8-M20 360
250 70 390 350 320 630 12-M20 360
300 76 440 400 368 780 12-M20 400
350 76 500 460 429 885 16-M20 400
400 89 565 515 482 990 16