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0811404324 4WRLE16WZ180SJ-3X/G24K0/A1M-772。為了減小及至消除由此引起的液壓沖擊，最簡單的辦法是在該電液閥下面疊加一個P口節(jié)流閥或進油節(jié)流式雙單向節(jié)流閥、出油節(jié)流式雙單向節(jié)流閥，以延長閥芯的換向及復位時間，從而到降低液壓沖擊的目的。下面就以彈簧復位型、三位四通中封式電液壓換向閥為例、對該三種疊加節(jié)流方式作簡要說明。