1.起溢流作用
用定量泵供油時(shí)，它與節(jié)流閥配合，可以調(diào)節(jié)和平衡液壓系統(tǒng)中的流量。在這種場(chǎng)合下，閥門經(jīng)常隨著壓力的波動(dòng)而開(kāi)啟，油液經(jīng)閥門流回油箱，起著定壓下的溢流作用R900550746 DBW20B2-5X/100U6EG24N9K4
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