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              新聞詳情

              國內閥門材料常用技術標準 纏繞式墊片氮氣密封性能的試驗條件和指標

              日期:2024-06-05 22:35
              瀏覽次數:935
              摘要: 國內閥門材料常用技術標準 纏繞式墊片氮氣密封性能的試驗條件和指標 試樣規格 試驗條件 泄漏率等級/(cm3/s) 預緊應力/MPa 1級 2級 3級 DN80(厚4.5mm) 帶內環和定位環型 70.0±1.0 ≤1.2×10-5 ≤1.0×104 ≤1.0×10-3

              國內閥門材料常用技術標準 纏繞式墊片氮氣密封性能的試驗條件和指標

              試樣規格 試驗條件 泄漏率等級/(cm3/s)
              預緊應力/MPa 1級 2級 3級

              DN80(厚4.5mm)

              帶內環和定位環型

              70.0±1.0 ≤1.2×10-5 ≤1.0×104 ≤1.0×10-3
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