力士乐电磁阀阀体全不锈钢；对于强腐蚀的介质必须选用隔离膜片式。中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。氨用阀则不能采用铜材。

    力士乐电磁阀爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。

    REXROTH力士乐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。用在工业控制系统中调整介质的方向、流量、速度和其他的参数。力士乐电磁阀可以配合不同的电路来实现预期的控制，而控制的精度和灵活性都能够保证。

力士乐先导式电磁阀：
    原理：通电时，电磁力把先导孔打开，上腔室压力迅速下降，在关 闭件周围形成上低下高的压差，流体压力推动关闭件向上移动，阀门打开；断电时，弹簧力把先导孔关闭，入口压力通过旁通孔迅速腔室在关阀件周围形成下低上高的压差，流体压力推动关闭件向下移动，关闭阀门。
    特点：流体压力范围上限较高，可任意安装（需定制）但必须满足流体压差条件。

上海维特锐在德国与REXROTH合作，可长期稳定供应力士乐电磁阀，REXROTH导轨，力士乐柱塞泵等产品

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    力士乐电磁阀阀体全不锈钢；对于强腐蚀的介质必须选用隔离膜片式。中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。氨用阀则不能采用铜材。
    力士乐电磁阀爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。