国产激情一区二区三区

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          Tank performance requirements for valves
          The author: Time:2020/12/11

                  儲油區包括儲存油品的油罐以及輸送油品的管網。油罐與油罐、油罐與泵房都是通過管網連通。通常是幾個油罐共用兩條油管,即所謂“雙管系統”。油罐區中的閥門口徑通常是比較大,閥門的操作次數比較少,閥門的使用環境比較惡劣,油罐底沉積的水份和固體雜質經常隨油品流出,并沉積在閥底。其中油罐對于閥門的性能要求如下:
                  (1)工作安全可靠:以防因閥門失效或損壞造成油中品泄漏。
                  (2)密封性能好:以防因閥門內泄漏,造成串油事故。
                  (3)耐沖蝕、抗擦傷性能好:以防油罐底沉積的固體雜質沖蝕、擦傷密封面。
                  (4)閥門的結構應滿足以下要求:流經閥門的雜質不會沉積在閥底,閥底有排污孔、能及時排除沉積于閥底的雜質。

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          国产激情一区二区三区

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