4WE10D3X/CG24N9K4 力士乐电磁阀是上海韦米机电设备有限公司主要经销产品之一，保证产品【原装*】，*，货期短，发货快；常规产品现货供应，放心购买。我公司专业经营国外进口液压气动备件、自动化仪表；主营产品：液压配件、气动元件、柱塞泵、齿轮泵、叶片泵、电磁阀、节流阀、比例阀、溢流阀、换向阀、流量阀；伺服驱动器、伺服模块、伺服电机、探头、传感器、电缆、电源模块、编码器、接近开关等。常规型号产品现货供应，热诚欢迎新老客户采购！

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。
特点：在真空、负压、零压时能正常工作，但通径一般不超过25mm。
    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。
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。
    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。
    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。

    上海韦米机电设备有限公司位于浦东金桥是全国工业传动流体自动化领域实力较强的经销商，有着丰富的气动液压技术服务、工业销售及采购的经验，主营产品涉及液压泵阀（电磁阀、柱塞泵拳头产品）、工控产品、驱动模块、伺服电机、可编程控制器PLC、数控传动、传感器系列、电源、气动元件、工业仪器仪表。具体主要经营品牌及产品如下:
博世力士乐rexroth工业液压气动元件大量现货（电磁换向阀、节流阀、单向阀、比例阀、伺服阀、安全溢流阀、流量控制阀、减压阀、调节阀、压力继电器、比例放大板、放大器，轴向柱塞泵、叶片泵、齿轮泵，伺服驱动器、伺服电机，气动元件、气动阀、气缸等），部分系列型号：

电磁阀：4WE6、4WE10、4WE16；电液阀：4WEH10H、4WEH16、4WEH25，
单向阀：S10A、S20A、Z1S、Z2S、SL10、SL20、SV10、SV20、RVP，插装阀：LC、LFA
溢流阀：DB、DBW、DBET、DBD、ZDB、Z2DB，减压阀：DR6DP、DR10DP、ZDR6、ZDR10、DR-4X、DR-5X
节流阀：Z2FS6、Z2FS10、Z2FS16、Z2FS22；调速阀：2FRM5、2FRM10、2FRM16，
平衡阀：FD12FA、FD12PA、FD12KA、FD16FA，继电器：HED80、HED40，电子单元：VT、0811
比例方向阀：4WRA、4WRAE、4WRE、4WREE、4WREEM、4WRH、4WRZ、4WRZE、4WRKE、4WRBKE、4WS2EM
高频响方向阀：4WRPH、4WRPEH、5WRP、5WRPE、4WRREH、4WRP、4WRPE、4WRP(E)H、4WRSE、4WRSEH、4WRPNH、4WRL、4WRLE、4WRVE、4WRGE、4WRL、4WRLE、4WRDE、3WRCBH，伺服系统：HAS、HNL、HCS、HNL
柱塞泵：A4VSO、A10VSO、A2FO，定量马达：A2FM，A4FM，A10FM/E， 齿轮泵：0510、AZPF，叶片泵：PV7
意大利阿托斯ATOS及迪普马DUPLOMATIC、美国Parker派克及EATON VICKERS伊顿 威格士液压、日本YUKEN油研泵阀优势现货系列（电磁阀换向阀、压力开关、柱塞泵、齿轮泵、比例阀、截止阀、开关阀等），
奥地利贝加莱B&R  br-automation自动化配品配件货期短现货多（伺服驱动器、触摸屏、工控机、CPU模块、总线控制器、X20\2003\2005\2010系统中各类功能模块等），
美国本特利(Bently Nevada)优势系列（监测模块、前置器、仪表框架、接口模块、延伸电缆、传感器探头、转速表、校验仪等）
西门子Siemens优势主打系列（6SN、6FC、6FX、S7200、电机1FK、S7300、S7400、LOGO 低压电器、软启、熔断器、电源模块、CPU、数控传动）

另销售有德国爱尔泰克Airtec气动元件，APS接近开关，SMC气动元件，倍加福编码器、传感器，欧姆龙低压电器、川崎K3V泵 ，贺德克液压元件、丹佛斯、费斯托全系列产品.

4WE10D3X/CG24N9K4 力士乐电磁阀

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电磁阀选型首先应该依次遵循安全性，可靠性，适用性，经济性四大原则，其次是根据六个方面的现场工况（即管道参数、流体参数、压力参数、电气参数、动作方式、特殊要求进行选择）。
选型依据：
1、根据管道参数选择电磁阀的：通径规格（即DN）、接口方式
1）按照现场管道内径尺寸或流量要求来确定通径（DN）尺寸；
2）接口方式，一般>DN50要选择法兰接口，≤DN50则可根据用户需要自由选择。
2、根据流体参数选择电磁阀的：材质、温度组
1）腐蚀性流体：宜选用耐腐蚀电磁阀和全不锈钢；食用超净流体：宜选用食品级不锈钢材质电磁阀；
2）高温流体：要选择采用耐高温的电工材料和密封材料制造的电磁阀，而且要选择活塞式结构类型的；
3）流体状态：大至有气态，液态或混合状态，特别是口径大于DN25时一定要区分开来；
4）流体粘度：通常在50cSt以下可任意选择，若超过此值，则要选用高粘度电磁阀。
3、根据压力参数选择电磁阀的：原理和结构品种
1）公称压力：这个参数与其它通用阀门的含义是一样的，是根据管道公称压力来定；
2）工作压力：如果工作压力低则必须选用直动或分步直动式原理；zui低工作压差在0.04Mpa以上时直动式、分步直动式、先导式均可选用。
4、电气选择：电压规格应尽量优先选用AC220V、DC24较为方便。
5、根据持续工作时间长短来选择：常闭、常开、或可持续通电
1）当电磁阀需要长时间开启，并且持续的时间多于关闭的时间应选 用常开型；
2）要是开启的时间短或开和关的时间不多时，则选常闭型；
3）但是有些用于安全保护的工况，如炉、窑火焰监测，则不能选常开的，应选可*通电型。
6、根据环境要求选择辅助功能：防爆、止回、手动、防水雾、水淋、潜水。

4WE10D3X/CG24N9K4 

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4WE10D3X/CG24N9K4 

安全性：
1、腐蚀性介质：宜选用塑料王电磁阀和全不锈钢；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。
2、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。
3、电磁阀公称压力应超过管内zui高工作压力。
适用性：
1、介质特性
1）质气，液态或混合状态分别选用不同品种的电磁阀；
2）介质温度不同规格产品，否则线圈会烧掉，密封件老化，严重影响寿命命；
3）介质粘度，通常在50cSt以下。若超过此值，通径大于15mm时，用多功能电磁阀；通径小于15mm时，用高粘度电磁阀。
4）介质清洁度不高时都应在电磁阀前配装反冲过滤阀，压力低时，可选用直动膜片式电磁阀；
5）介质若是定向流通，且不允许倒流，需用双向流通；
6）介质温度应选在电磁阀允许范围之内。
2、管道参数
1）根据介质流向要求及管道连接方式选择阀门通口及型号；
2）根据流量和阀门Kv值选定公称通径，也可选同管道内径；
3）工作压差：zui低工作压差在0.04Mpa以上是可选用间接先导式；zui低工作压差接近或小于零的必须选用直动式或分步直接式。