LC50DB20E7X/力士乐插装阀 德国****博世力士乐REXROTH插装阀 插装电磁阀 ****供应

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LC50DB20E7X/力士乐插装阀

二通插装阀是一种新型的液压控制元件，

它适用于高压大流量的液压系统中，与普通液阀相比,它有以下优点:

(1)结构简单、紧凑、工艺性好，流动流阻小;(2)通流能力大,适用于大流量场合;(3)阀芯动作灵敏，响应快;(4)密封性能好,泄漏少;(5)工作可靠,抗污染能力强，寿命长;(6)适用于各种液压介质:如液压油、乳化液、水质;(7)便于实现集成化，能高度集成，适于与数字元件、比例元件及计算机组合使用，实现自动控制;(8)便于实现标准化、系统化、通用化。

由于二通插装阀具有独特的优点，因此它被广泛应用于重型机械、锻压机械、塑料机械、冶金机械、船舶、工程机械、矿山机械等领域。

基本结构

二通插装阀与普通液压阀的功能相同，都是用来控制液压系统工作介质的压力、流量和流动方向的。二通插装阀由插入元件、先导元件、控制盖板和插装块体四部分组成。插入元件主要由阀芯、阀套、弹簧和密封件组成，图1为其示意图。控制盖板上,根据插装阀的不同控制功能，安装有相应的先导控制级元件，以实现对液压系统压力、流量和方向的控制,插装块体则既是嵌入插入元件及安装控制盖板的基础阀体，又是主油路和控制油路的通道体。

二通插装阀通过不同的盖板和各种先导阀(一般为滑阀)组合，即可构成方向控制阀、压力控制阀和流量控制阀。

二通插装阀通过不同的盖板和各种先导阀组合，便可构成方向控制阀、压力控制阀和流量控制阀。

1、插装阀构成压力控制阀

根据插装阀的工作原理当PAA1 PBA2 >PCA3 FS时，阀芯开启，油路A、B接通。插装阀C14，当电磁阀得电时，插装阀C14的C口直接通油箱，其C口压力为零。由此可知油路A、B接通，当A口的压力大于弹簧力的时候，系统压力油回油箱，所以此插装阀起溢流阀的作用，控制油缸径油口压力。

2、插装阀构成方向控制阀

由液压动作程序表可知，同时得电,来控制主油缸上行运动。当两者同时得电时插装阀C11、C13的C口通油箱PA>FS时,A、B口直接相通，油液可从A流向B口;当只有一个电磁阀得电时，主油缸下行运动。其中C13的PA<PB,阀芯开启，油液可从B流向A。此二处插装阀起到了单向阀的作用。

3、插装阀构成流量控制阀

在阀的顶盖上有阀芯升高限位装置通过调节限位装置的位置，便可调节阀口通流截面的大小，从而调节了流量。通过调节流量，可调节主油缸的下行速度。此插装阀作节流阀。

三、插装阀在液压系统的简单应用，通过更为复杂的组合，可以实现更多的液压阀的功能。通过组合，插装阀可作为压力控制阀(顺序阀、减压阀)、流量控制阀(单向节流阀、节流阀)、方向控制阀(调速阀、液控单向阀、两位两通换向阀等)以及复合阀。

LC50DB20E7X/力士乐插装阀型号

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R983019349 LC32DBE7X(F.C.NO:830591)COMPLETE

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R988004110 LC50DB20A7X/V(CTR901165133)

止回阀( Check Valve)：是能自动阻止流体倒流的阀门。止回阀的阀瓣在流体压力作用下开启，流体从进口侧流向出口侧。当进口侧压力低于出口侧时，阀瓣在流体压差、本身重力等因素作用下自动关闭以防止流体倒流。