手机号码：13795314716传真：021-52500777
地 址：上海市普陀区中江路889号曹杨商务大厦1501室
REXROTH柱塞泵特点
1. REXROTH柱塞泵参数高：额定压力高，转速高，力士乐油泵的驱动功率大
2. REXROTH柱塞泵效率高，容积效率为95%左右，总效率为90%左右
3. REXROTH柱塞泵寿命长
4. REXROTH柱塞泵变量方便，形式多
5. REXROTH柱塞泵单位功率的重量轻
6. REXROTH柱塞泵力士乐柱塞泵主要零件均受压应力，材料强度性能可得以充分利用
REXROTH力士乐电磁阀原理
REXROTH力士乐电磁阀原理
：它是一种直动和先导式相结合的原理，REXROTH力士乐电磁阀当入口
：陈
价注意事项：1.请提供*列的物料编号和第二列具体型号
2.请发书面询价函（邮件，，传真等），不接受口头报价。
3.如果型号不能*对上，请提供英文品牌名+具体型号+数量。
4.询价的商友请主动告知公司名称和，谢谢。
当入口与出口压差>0.05Mpa，通电时，电磁力先打开先导小阀，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，先导阀和主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。
特点：在零压差或真空、高压时亦能可靠工作，但功率较大，要求竖直安装。
力士乐间接先导式电磁阀
该系列电磁阀由先导阀和主阀芯着形成通道组合而成；常闭型在未通电时，呈关闭状态。当线圈通电时，REXROTH力士乐电磁阀产生的磁力使动铁芯和静铁芯吸合，REXROTH力士乐电磁阀导阀口打开，介质流向出口，此时主阀芯上腔压力减少，低于进口侧的压力，形成压差克服弹簧阻力而随之向上运动，达到开启主阀口的目的，介质流通。当线圈断电时，磁力消失，动铁芯在弹簧力作用下复位关闭先导口，此时介质从平衡孔流入，主阀芯上腔压力增大，并在弹簧力的作用下向下运动，关闭主阀口。常开式原理正好相反。如：SLA，DF（φ15以上口径），ZCZ等。
：通电时，电磁力驱动先导阀打开先导阀，REXROTH力士乐电磁阀主阀上腔压力迅速下降，在主阀上下腔内形成压差，依靠介质压力推动主阀关闭件上移，REXROTH力士乐电磁阀阀门开启；REXROTH力士乐电磁阀断电时，弹簧力把先导阀关闭，入口介质压力通过先导孔迅速进入主阀上腔在上腔内形成压差，从而使主阀关闭。
REXROTH力士乐电磁阀特点：体积小，功率低，但介质压差范围受限，必须满足压差条件。
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