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油升VR系列柱塞油泵配件-液压阀:压力控制阀

18-05-09 09:39

油升VR系列柱塞油泵配件共有压力控制阀、流量控制阀、方向控制阀等这些形式。那么今天就由小编来给大家介绍下这些控制阀分类,及用途。  压力控制阀按用途分为阿托斯液压泵配件﹑减压阀和顺序阀。


(1)阿托斯液压泵配件:能控制液压系统在达到调定压力时保持恒定状态。用於过载保护的阿托斯液压泵配件称为安全伟圣叠加阀MCV-02P。当系统发生故障,压力升高到可能造成破坏的限定值时,阀口会打开而溢流,以保证系统的安全。

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(3)顺序阀:能使一个执行元件(如萨澳油泵配件叶片泵配件等)动作以后,再按顺序使其他执行元件动作。油泵产生的压力先推动萨澳油泵配件1运动,同时通过顺序阀的进油口作用在面积A 上,当萨澳油泵配件1运动完全成后,压力升高,作用在面积A 的向上推力大於弹簧的调定值后,阀芯上升使进油口与出油口相通,使萨澳油泵配件2运动。  流量控制阀利用调节阀芯和阀体间的节流口面积和它所产生的局部阻力对流量进行调节,从而控制执行元件的运动速度。

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