產(chǎn)品詳情
黎翔機電REXROTH德國力士樂銷售部詢價聯(lián)系人:何小姐
REXROTH德國力士樂詢價電話:15072720048
REXROTH德國力士樂詢價 QQ:3206749044
REXROTH德國力士樂詢價郵箱:736567721@qq.com順序閥與溢流閥的主要區(qū)別為:
(1)順序閥只有開啟和切斷兩種狀態(tài),不象溢流閥那樣有自動穩(wěn)壓調(diào)節(jié)作用;
(2)順序閥進出油口都是壓力油路,所以它的泄油口必須單獨引回油箱,而溢流閥則和出口合并一同流回油箱。
(3)順序閥的進、出油口一經(jīng)接通,油液通過該閥的壓力損失較小,而溢流閥處于溢流狀態(tài)時,壓力損失一般較大。
四、壓力繼電器
壓力繼電器是利用液體壓力信號控制電氣觸點通斷的液壓電氣轉(zhuǎn)換元件,當油液的壓力達到其設定壓力時,壓力繼電器發(fā)出電信號,以控制電氣元件動作,實現(xiàn)執(zhí)行元件的順序動作或系統(tǒng)的安全保護和動作互鎖。
按結構特點分為柱塞式、彈簧管式和膜片式。主要零件包括柱塞調(diào)節(jié)螺帽和電氣微動開關。壓力油作用在柱塞下端,液壓力直接與彈簧力比較。當液壓力大于或等于彈簧力時,柱塞向上移壓微動開關觸頭,接通或斷開電氣線路。反之,微動開關觸頭復位。 DSV38BS2
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