上海供应德国REXROTH力士乐电磁阀 力士乐Rexroth电磁阀从原理上分为三大类 （ 即：直动式、分步童先导式 ） 而从阀瓣结构和材料上的不同与原理上的差别又分为六个分支小类 （ 直动膜片结构、分步重片结构、先导膜式结构、直动活塞结构、分步直动活塞结构、先导活塞结构 ）
力士乐直动式燃气电磁阀：电磁线圈发生电磁力把封闭件从阀座上提起，燃气电磁阀工作原理：通电时。阀门打开;断电时，电磁力消散，弹簧把封闭件压在阀座上，阀门封闭。但通径一般不超过 25mm 力士乐Rexroth电磁阀电磁阀特点：真空、负压、零压时能正常工作。 力士乐直动式燃气电磁阀：当进口与入口没有压差时，燃气电磁阀工作原理：一种直动和先导式相联合的原理。通电后，电磁力直接把先导小阀和主阀封闭件依次向上提起，阀门打开。当进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，上腔压力降落，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封闭件，向下移动，使阀门封闭。但功率较大，力士乐Rexroth电磁阀电磁阀特点：零压差或真空、高压时亦能可 * 动作。请求必需水平装置。
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 德国REXROTH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 。 力士乐先导式燃气电磁阀：燃气电磁阀把先导孔打开，燃气电磁阀工作原理：通电时。上腔室压力敏捷降落，封闭件四周形成上低下高的压差，流体压力推动封闭件向上移动，阀门打开;断电时，弹簧力把先导孔封闭，进口压力通过旁通孔敏捷腔室在关阀件四周形成下低上高的压差，流体压力推动封闭件向下移动，封闭阀门。可任意安装 （ 需定制 ） 但必需满足流体压差条件。 力士乐Rexroth电磁阀电磁阀特点：流体压力范畴上限较高。 力士乐REXROTH电磁阀里有密闭的腔，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的排油管，然后通过油的压力来推动油刚的活塞，活塞又带动活塞杆，活塞竿带动机械装置动。这样通过控制电磁铁的电流就控制了机械运动。
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R900935805 4WE6G73B6X/EG24N9K4/A12
R900935802 4WE6R6X/EG24N9K4/V
R900935635 4WE6J6X/EG24N9K4/T06V
R900935300 4WE6LA6X/EG24N9K4
R900935290 4WE6E19-6X/EG24N9K4
R900935000 4WE6Q6X/EG24N9K4SO407 购流程：
1、客户确认所需采购产品型号发询价单传真
2、我方会根据询价单型号查询价格以及交货期，拟一份详细正规报价单
3，客户收到报价单并确认型号无误后订购产品
4、报价单负责人根据客户提供型号以及数量拟份销售合同
5、客户收到合同查阅同意后盖章回传并按照合同销售金额汇款到公司开户行
6、我公司财务查到款后，业务员安排发货并通知客户跟踪运单
公司本着：以更高品质的产品和服务，赢得客户zui大的满意为宗旨，依靠*现代企业管理不断深化企业内部改革，全面推行质量保证体系。提高产品质量，发扬“求实、创新、团结、进取”的精神，坚持“科技兴业、品牌兴业”方针，以自己品牌从中国走向世界.
上海维特锐实业发展有限公司以“优质产品，优质服务，以客为先”的宗旨，为客户提供原装正厂的优质产品，以合理的性价比，快捷的交货期，热情周到的服务，为客户提供高品质、经济耐用、品种齐全的产品，从而赢得客户的*赞赏们将不负客户对本公司的期望和厚爱，努力为广大客户提供优质的产品、良好的售后服务，努力成为*秀的自动化设备供应商。本公司所有产品假一赔十!
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