美國VICKERS比例溢流閥一樣，都有一個(gè)閥芯，閥芯的一端是液壓油產(chǎn)生的壓力，另一端是機(jī)械力。普通溢流閥通過調(diào)節(jié)彈簧力，來調(diào)整液壓壓力。而比例溢流閥是電磁鐵直接產(chǎn)生推力，作用在閥芯上，電磁鐵上的輸入電壓可以在0-24伏之間變化，產(chǎn)生的推力就隨之變化，從而得到連續(xù)變化的液壓壓力。

威格士溢流閥-VICKERS比例溢流閥專業(yè)供應(yīng)
VICKERS普通溢流閥與比例溢流閥一樣，都有一個(gè)閥芯，閥芯的一端是液壓油產(chǎn)生的壓力，另一端是機(jī)械力。普通溢流閥通過調(diào)節(jié)彈簧力，來調(diào)整液壓壓力。而比例溢流閥是電磁鐵直接產(chǎn)生推力，作用在閥芯上，電磁鐵上的輸入電壓可以在0-24伏之間變化，產(chǎn)生的推力就隨之變化，從而得到連續(xù)變化的液壓壓力。因?yàn)楸壤姶盆F的推力不大，所以直動(dòng)式比例溢流閥的流量很小，壓力70兆帕?xí)r，流量只有1升/分鐘左右。需要大流量比例閥的時(shí)候，要把這個(gè)比例閥做先導(dǎo)閥，下面還要配一個(gè)大通徑的溢流閥。
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威格士溢流閥-VICKERS比例溢流閥專業(yè)供應(yīng)