取水樣用具 貝勒管問題

貝勒管進水口

Single-Check Valve跟Double-Check Valve 甚麼不 同

沈重:Double-Weighted跟Weighted分別代表什麼涵義

幫我解釋依下吧

1 Answer

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  • 1 decade ago
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    Single-Check Valve=單逆止閥式(單一入水口)

    Double-Check Valve 入水口為上。下兩端都有

    Single-Check Valve與Double-Check Valve比較的話,

    Double-Check Valve 的入水速度比較快,但一般都使用Single-Check Valve

    沉重一般是說貝勒管沉入水底的快慢,

    沉重比較重當然會必較快囉~~

    SO~Double-Weighted比較好!!

    Source(s): 我&廠商
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