BURKERT直供 5281宝德系列电磁阀是用来控制流体的自动化基础元件，属于执行器；并不限于液压，气动。用于控制液压流动方向，工厂的机械装置一般都由液压缸控制，所以就会用到它的工作原理，里有密闭的腔，在的不同位置开有通孔，每个孔都通向不同的油管，腔中间是阀，两面是两块电磁铁，哪面的磁铁线圈通电阀体就会被吸引到哪边，通过控制阀体的移动来档住或漏出不同的排油的孔，而进油孔是常开的，液压油就会进入不同
BURKERT直供 5281宝德系列电磁阀是一种直动和先导式相结合的原理，当入口与出口没有压差时，通电后，电磁力直接把先导小阀和主阀关闭件依次向上提起，阀门打开。当入口与出口达到启动压差时，通电后，电磁力先导小阀，主阀下腔压力上升，上腔压力下降，从而利用压差把主阀向上推开；断电时，先导阀利用弹簧力或介质压力推动关闭件，向下移动，使关闭。
在零压差或真空、高压时亦能可动作，但功率较大，要求必须水平安装。
BURKERT直供 5281宝德系列电磁阀
It is a principle of the combination of direct motion and lead. When the inlet and outlet are free of differential pressure, the electromagnetic force will directly lift the pilot valve and the main valve close in turn, and the valve will open. When the inlet and outlet reach the starting pressure difference, when the power is energized, the electromagnetism first pilot small valve, the pressure of the lower cavity of the main valve increases, the upper chamber pressure drops, so that the main valve is pushed up by the pressure difference; When the power is off, the pilot valve USES the spring force or medium pressure to push the closure, moving down and closing.
In the zero pressure difference or vacuum, high pressure can also be able to move, but the power is larger, the requirement must be installed horizontally.
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