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          兩片式硬密封球閥
          產品名稱兩片式硬密封球閥
          連接方式雙法蘭 
          產品特點扭矩輕,雙向密封零泄露 ,壽命長
          口徑DN15~DN200
          壓力ANSI Class 150 - Class 300
          溫度-30°C  to +425° C 
          閥體材質碳鋼,不銹鋼,Monel合金,哈氏合金,雙相鋼
          密封材質F316,STL(硬密封)
          設計制造標準API608
          執行機構氣動,電動,手動,蝸輪
          閥門應用石油化工
          城市供水
          制藥
          鹽業
          另类在线_无码专区亚洲综合另类_另类在线激情另类专区_亚洲AV无码AV制服另类专区
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