詳細介紹
J41H法蘭式截止閥
法蘭式截止閥執(zhí)行標準 Administer Standard
設計與制造 Design and Manufacture | 結構長度 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Suitable Medium | |
WCB | 2Cr13 | 13Cr STL 木體材料 With Body Material 尼龍 Nylon | 增強柔性石墨 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 增強柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE | ≤425 | 水 蒸汽 油品 Water Steam Petroleum Ptoducts | |
WC1 | 38CrMoAl 25Cr2MoV | ≤450 | |||||
WC6 | ≤540 | ||||||
WC9 | ≤570 | ||||||
C5 C12 | ≤540 | ||||||
ZGCr5Mo | ≤200 | 硝酸類Nitric acid | |||||
ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | ||||||
≤200 | 醋酸類Acetic acid | ||||||
ZG1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti |