法蘭式截止閥執(zhí)行標(biāo)準(zhǔn) Administer Standard 設(shè)計與制造 Design and Manufacture 結(jié)構(gòu)長度 Face To Face 法蘭尺寸 Flange Dimension 壓力-溫度 Pressure Temperature Lating 試驗-檢驗 Inspection And Test GB122235 GB12221 GB9113 JB79 GB9131 GB/T13927 JB/T9092
法蘭式截止閥壓力試驗 Pressure Test 公稱壓力NominalPressure 1.6 2.5 4.0 6.4 10.0 16.0 強(qiáng)度試驗 Shell Test 2.4 3.8 6.0 9.6 15.0 24.0 水密封試驗 Water Seal Test 1.8 2.8 4.4 7.0 11.0 18.0 上密封試驗Backseat Test 1.8 2.8 4.4 7.0 11.0 18.0 氣密封試驗 Air Seal Test 0.5-0.7
法蘭式截止閥主要零件材料及性能 Main Part Materials and Property 體、蓋、板 Body Cover Disc 閥桿 Stem 密封面 Sealing Face 墊片 Sealing Shim 填料 Packing 工作溫度℃ Working Temperature 適用介質(zhì)Suitable Medium WCB 2Cr13 13Cr STL 木體材料 With Body Material 尼龍 Nylon 增強(qiáng)柔性石墨 Enhanced Flexible Graphite 13Cr/柔性石墨 1Cr13/Flexible Graphite 08軟鋼 08 Soft Steal 0Cr18Ni9Ti 0Cr17Ni12Mo2Ti XD550F(T) PTFE 柔性石墨 增強(qiáng)柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE