原裝REXROTH單向閥使用時要注意的
原裝REXROTH單向閥使用時要注意的
REXROTH力士樂單向閥是氣流只能一個方向流動而不能反向流動的方向控制閥。其工作原理與液壓單向閥一樣。壓縮空氣從P口進入,克服彈簧力和摩擦力使單向閥閥口開啟,壓縮空氣從P流至A；當P口無壓縮空氣時,在彈簧力和A口（腔）余氣力作用下；閥口處于關閉狀 態(tài),使從A至P氣流不通。單向閥應用于不允許氣流反向流動的場合,如空壓機向氣罐充氣 時,在空壓機與氣罐之間設置一單向閥,當空壓機停止工作時,可防止氣罐中的壓縮空氣回流 到空壓機。單向閥還常與節(jié)流閥,順序閥等組合成單向節(jié)流閥,單向順序閥使用。
REXROTH力士樂單向閥注意事項
REXROTH力士樂安裝止回閥時,應特別注意介質流動方向,應使介質正常流動方向與閥體上指示的箭頭方向相一致,否則就會截斷介質的正常流動。底閥應安裝在水泵吸水管路的底端。
REXROTH力士樂止回閥關閉時,會在管路中產(chǎn)生水錘壓力,嚴重時會導致閥門,管路或設備的損壞,尤其對于大口管路或高壓管路,故應引起止回閥選用者的高度注意。
REXROTH力士樂止回閥只供防止各類管路或設備上流體介質逆流的單向啟閉閥。
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