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閥門分類
蝶閥
法蘭式蝶閥
閘閥
漿液閥
止回閥
 

H42Y、H42W 型升降立式止回閥

H42Y、H42W 型升降立式止回閥


產品名稱:H42Y、H42W 型升降立式止回閥

所屬系列:止回閥系列

型號:H42Y、H42W  

適用介質: 氮氫混合氣、氨液、銅氨液、堿液等

產品用途:H42Y、H42W 型升降立式止回閥正常處于關閉狀態,由于管線中進口端介質的壓力作用,而克服彈簧阻力使閥門開啟。當進口端介質壓力低于出口端時,彈簧將閥芯推向閥座而使閥門關閉,阻止介質逆流,故起止回作用。

 

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