力士樂rexroth電磁閥天津一級(jí)代理
力士樂rexroth電磁閥授權(quán)代理商
rexroth電磁閥報(bào)價(jià)、rexroth力士樂電磁閥安裝
德國(guó)力士樂rexroth優(yōu)惠*
力士樂電磁閥有現(xiàn)貨
力士樂電磁閥選型及技術(shù)參數(shù)資料
力士樂rexroth6通經(jīng)電磁閥
德國(guó)rexroth力士樂10通經(jīng)電磁閥
REXROTH液控單向閥是依靠控制流體壓力，可以使單向閥反向流通的閥。這種閥在煤礦機(jī)械的液壓支護(hù)設(shè)備中占有較重要的地位。力士樂REXROTH液控單向閥與普通單向閥不同之處是多了一個(gè)控制油路K，當(dāng)控制油路未接通壓力油液時(shí)，液控單向閥就象普通單向閥一樣工作，壓力油只從進(jìn)油口流向出油口，不能反向流動(dòng)。當(dāng)控制油路油控制壓力輸入時(shí)，活塞頂桿在壓力油作用下向右移動(dòng)，用頂桿頂開單向閥，使進(jìn)出油口通。若出油口大于進(jìn)油口就能使油液反向流動(dòng)。
力士樂rexroth電磁閥天津一級(jí)代理
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