力士乐电磁阀有干式和湿式两者区别

力士乐电磁阀有干式和湿式两者区别

1，电磁阀有干式和湿式两者区别在于，电磁阀的铁芯是否浸在油里。（1）干式电磁阀不允许油液 进入电磁铁内部，因此推动阀芯的推杆处要有可靠的密封，从而使推杆移动时产生较大的摩擦阻力。（2）湿式电磁阀的衔铁和推杆可浸在油中工作，所以电磁铁的相对运动件之间就不需要密封装置，这就减少了阀芯的运动阻力，提高了换向可靠性，湿式电磁铁性能较好。2，电磁阀从原理上分为三大类：（1）直动式电磁阀，原理：通电时，电磁线圈产生电磁力把关闭件从阀座上提起，阀门打开；断电时，电磁力消失，弹簧把关闭件压在阀座上，阀门关闭。（2）分步直动式电磁阀，原理：它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，使阀门关闭。（3）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。

力士乐电磁阀有干式和湿式两者区别

电磁换向阀是电磁阀的一种类型。
阀门：是流体输送系统中的控制部件,具有截止、调节、导流、防止逆流、稳压、分流或溢流泄压等功能。
电磁阀：是用电磁控制的阀门，是用来控制流体的自动化基础元件之一。泛指所有用电磁控制的阀门；特指（与其它具有说明的电磁阀，如三通电磁阀、电磁幻象阀……并列的情况下）仅具有截止、导流功能的电磁阀。
电磁换向阀：泛指可以控制介质流向的电磁阀。特指液压、气动控制系统中用于实现控制逻辑的换向阀。

力士乐电磁阀有干式和湿式两者区别

德国力士乐电磁阀4WE系列常用型号：
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R978894052 4WE10Y11-33/CG24N9K4
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R978895095 4WE10UA3X/CW110N9K4
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R978895308 4WE10E3X/CW230N9K4/V
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R978896035 4WE10E3X/CW110N9K4/V
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R978896086 4WE10UA3X/CG24N9K4
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R978896095 5-4WE10C3X/CG24N9K4
R978896103 4WE10R3X/CG24N9K4
R978896104 4WE10HA3X/CG24N9K4
R978896105 4WE10D3X/CW110N9K4
R978896158 4WE10E3X/CG24K4
R978896160 4WE10Q3X/CG24N9K4/V
R978896161 4WE10QA3X/CG24N9K4/V
R978896163 4WE10L3X/CG24N9K4