手動(dòng)凸緣（梅花形）刀型閘閥Manual knife gate valve 

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 pressurePN殼體試驗(yàn)Casing test1.5XPN密封試驗(yàn)Leak test1.1XPN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 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）LDD₁D₂HN-MD₀1.050481601251002854-M1618065481801451202984-M1618080501951601353154-M16220100502151801553658-M16220125572452101854008-M16230150572802402104758-M20280200703352952655408-M203602507039035032063012-M203603007644040036878012-M204003507650046042988516-M204004008956551548299016-M2240045089615565532110020-M22530500114670620585120020-M22530600114780725685145020-M27600700130895940800170024-M276008001301010950905200024-M30680900140111010501005230028-M30680