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联系人：汪超 HED8OA-2X/50K14KS DB10-1-4X/50UW65
R90111102702 DB20-1-4X/100W65
HED8OA-2X/50K14KW
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HED8OA-2X/100K14
R90111102706 Rexroth Valve压力开关
HED1KA4X/100
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HED1KA4X/350R900372794 DB10-1-4X/200W65
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R900443139
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电磁阀从原理上分为三大类：
1）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 电磁阀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。
2）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。
特点：在真空、负压、零压时能正常工作，但通径一般不超过25mm。
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。
特点： 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。
2.电磁阀从阀结构和材料上的不同与原理上的区别，分为六个分支小类：
直动膜片结构、分步直动膜片结构、先导膜片结构、直动活塞结构、分步直动活塞结构、先导活塞结构。
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REXROTH力士乐阀4WE16-7X/HG(EG),24N9EKT/B10
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专业代理经销德国BOSCH REXROTH(博世-力士乐)液压元件：柱塞泵A10VSO、电磁阀4WE、溢流阀DBW、节流阀Z2S、叶片泵PV7、压力继电器HED、博世放大器比例阀0811、齿轮泵0510等系列大量现货
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0811402003
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力士乐Rexroth Valve压力开关
专业代理经销德国BOSCH REXROTH(博世-力士乐)液压元件：柱塞泵A10VSO、电磁阀4WE、溢流阀DBW、节流阀Z2S、叶片泵PV7、压力继电器HED、博世放大器比例阀0811、齿轮泵0510等系列大量现货
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HED1KA4X/100
R900383852
R900443139 DB20-1-4X/100W65
R900373651 HED1KA4X/350，DB20-1-4X/200W65 手机：15207187991
