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REXROTH力士乐电磁阀德国*的竟争力有多大?

时间:2016-07-01      阅读:1025

  REXROTH力士乐电磁阀德国*的竟争力有多大?


  REXROTH力士乐电磁阀通电时,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。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。 力士乐电磁阀特点: 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。力士乐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.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:力士乐直动膜片结构、分步重片结构、力士乐先导膜式结构、力士乐直动活塞结构、分步直动活塞结构、力士乐先导活塞结构。


  REXROTH力士乐电磁阀分为常闭和常开二种;一般选用常闭型,通电打开,断电关闭;但在开启时间很长关闭时很短时要选用常开型了。寿命试验,工厂一般属于型式试验项目,确切地说我国还没有电磁阀的专业标准,因此选用电磁阀厂家时慎重。动作时间很短频率较高时一般选取直动式,大口径选用快速系列。一般电磁阀不防水,在条件不允许时请选用防水型,工厂可以定做。电磁阀的zui高标定公称压力一定要超过管路内的zui高压力,否则使用寿命会缩短或产生其它意外情况。有腐蚀性液体的应选用全不锈钢型,强腐蚀性流体宜选用塑料王(SLF)电磁阀。爆炸性环境必须选用相应的防爆产品。有很多电磁阀可以通用,但在能满足以上三点的基础上应选用的产品。电磁阀的选型  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)。


  REXROTH力士乐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)当力士乐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,应选可长期通电型。
  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。
  1、安装时应注意阀体上箭头应与介质流向一致。不可装在有直接滴水或溅水的地方。电磁阀应垂直向上安装;
  2、力士乐电磁阀应保证在电源电压为额定电压的15%-10%波动范围内正常工作;
  3、力士乐电磁阀安装后,管道中不得有反向压差。并需通电数次,使之适温后方可正式投入使用;
  4、力士乐电磁阀安装前应*清洗管道。通入的介质应无杂质。阀前装过滤器;
  5、当力士乐电磁阀发生故障或清洗时,为保证系统继续运行,应安装旁路装置。


  REXROTH力士乐电磁阀里有密闭的腔,在不同位置开有通孔,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缸的活塞,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。


  REXROTH力士乐电磁阀常规型号
  4WE6D7X/HG24N9K4
  4WE6C7X/HG24N9K4
  4WE6E7X/HG24N9K4
  4WE6J7X/HG24N9K4
  4WE6M7X/HG24N9K4
  4WE6Y7X/HG24N9K4
  4WE6D6X/EG24N9K4
  4WE6C6X/EG24N9K4
  4WE6E6X/EG24N9K4
  4WE6J6X/EG24N9K4
  4WE6Y6X/EG24N9K4
  4E6G6X/EG24N9K4
  4WE6H6X/EG24N9K4
  4WE6D/OFEG24N9K4
  4WE6EA6X/EG24N9K4
  4WE6EB6X/EG24N9K4
  4WE6U6X/EG24N9K4
  4WE6R73-6X/EG24N9K4/A12
  3WE6A6X/EG24N9K4
  4WE10Y3X/CG24N9K4
  4E10D3X/CG24N9K4
  4WE10EA3X/CG24N9K4
  4WE10EB3X/CG24N9K4
  4WE10E3X/CG24N9K4
  4E10J3X/CG24N9K4
  4WE10U3X/CG24N9K4
  4WE10G3X/CG24N9K4
  4WE10F3X/CG24N9K4
  4WE10M3X/CG24N9K4
  4WE6D6X/EW230N9K4
  4WE6E6X/EW230N9K4
  4WE6J6X/EW230N9K4
  
  4WE10D3X/CW230N9K4
  4WE10E3X/CW230N9K4
  4WE10J3X/CW230N9K4
  4WE6Y62/EG24N9K4/B10
  4WE6E-6X/EG24N9K4/V
  4WE10E-3X/CG24N9K4/V
  4WE6E-6X/EG24N9K4/V
  4WE6E-6X/EG24K4/V
  4WE10D3X/CG24N9K4/V
  4WE6J6X/EG24N9K4/V
  4WE6E6X/EG24N9K4/V
  4WE6J-6X/EG24N9K4+Z5L
  4WE6J-6X/EG24N9K4+Z5L
  4WE6J-6X/CG24N9Z5L
  4WE6J-5X/EW110NZ5L/V
  4WE6D-6X/G24N9K4B10
  4WE6D-6X/EG24N9K4/B08
  4WE10Y-3X/CG24N9K4
  4WE10J-4X/CG24N9K4
  4WE10J-3X/CW110N9K4/V
  4WE10J-3X/CG24N9K4/V
  4WE10J-3X/CG24N9K4
  4WE10E-3X/CG24N9K4/V
  4WE10E-3X/CG24N9K4
  4WE10D-3X/CG24N9K4+Z4
  4WE10D-3X/CG24N9K4
  4WE6电磁换向阀 
  4WE6Y50B/BG24NZ4
  4WE6Y50B/BG24NZ5L
  4WE6Y50B/BW220RNZ5L
  4WE6Y50B/AG24NZ4B10/V
  4WE6Y-61B/CG24N9Z5L/V
  4WE6Y50B/AG110NZ4
  4WE6Y-61B/CG220N9Z4
  4WE6Y-61B/OFCG24N9Z4
  4WE6Y50B/OFAG24NZ5L
  4WE6Y-61B/OFCG24N9Z5L
  4WE6Y-61B/CW110RN9Z5L
  4WE6Y50B/AG220NZ4
  4WE6Y50B/OFAW220RNZ5L
  4WE6Y-61B/CG24N9Z4/V
  4WE6Y-61B/CG220N9Z5LB12
  4WE6Y-61B/CG24N9Z4B10/V
  4WE6Y-61B/CW220RN9Z5L
  4WE6Y50B/OFAG24NZ4
  4WE6Y2-61B/CG24N9K4V
  HD-4WE6Y60/SG24N9Z4
  4WE6Y50B/BG12NZ4
  3WE6A50B/OAG24NZ4
  3WE6A50B/OAG110NZ5L
  3WE6A50B/OAW220-50NZ4
  3WE6A50B/OAW220-50NZ5L
  3WE6A50B/OFAG24NZ4
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  3WE6A50B/AW110-50NZ5L
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  3WE6A50B/AW220-50NZ4B12
  3WE6A50B/AG12NZ5L
  3WE6A50B/
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  3WE6A-61B/OFCG24N9Z5L
  3WE6A-61B/CW220-50N9Z4
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  3WE6A-61B/CW220-50N9Z4B12
  3WE6A-61B/CG24N9Z5LB10
  3WE6A50B/OAW220RNZ5L
  3WE6A50B/OAW110RNZ5L
  3WE6A-61B/CG24N9Z4B10
  3WE6A-61B/CW220-50N9Z5L
  3WE6A-61B/CW220-50N9Z5LB12
  3WE6A-61B/CG12N9Z5L
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  3WE6A50B/AW220-50NZ4B08
  3WE6A-61B/CW220RN9Z5L
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  3WE6A50B/AW220-50NZ4-E
  3WE6A50B/AG24NZ4-E
  3WE6A50B/BG24NZ4
  3WE6A50B/BW220-50NZ5LB10
  3WE6A50B/BG24NZ5LB10
  3WE6A-61B/CG24N9Z4/V
  3WE6A-61B/CG24N9Z4B10/V
  3WE6A50B/AG24NZ5L-E
  3WE6A-61B/CG220N9Z5L
  3WE6A-61B/CG24N9Z5LB08
  3WE6A-61B/CG12N9Z4
  3WE6A-61B/CG24N9Z5L/V
  3WE6A50B/BW220RNZ5LB08
  3WE6A-61B/EW110-50N9Z4
  3WE6A50B/BG24NZ5L
  3WE6A-61B/CW220-50N9Z4/V
  3WE6A-61B/CG24N9Z4-E
  3WE6A-61B/CG220N9Z5LB12
  3WE6A-61B/CW220-50N9Z5L/V
  3WE6A-61B/CG24N9DL
  3WE6A-61B/CG24N9K4
  3WE6A50B/BG24NZ5L-E
  3WE6A-61B/OFCG220N9Z5L
  3WE6A50B/AG220NZ5L
  4WE6EA50B/AG24NZ4
  4WE6EA50B/AG24NZ5L
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  4WE6EA50B/AW220-50NZ4B08
  4WE6EA50B/AW220-50NZ4B12
  4WE6EA50B/AW220-50NZ5L
  4WE6EA50B/AW110-50NZ5L
  4WE6EA50B/AW110-50NZ4
  4WE6EA-61B/CG24N9Z4
  4WE6EA-61B/CW220-50N9Z5L
  4WE6EA50B/AW220RNZ5L
  4WE6EA-61B/CW220-50N9Z4
  4WE6EA-61B/CG24N9Z5L
  4WE6EA-61B/CG24N9DL
  4WE6EA-61B/OFCG24N9Z5L
  4WE6EA-61B/EG24N9Z5L
  4WE6EA50B/BG24NZ4
  4WE6EA50B/BG24NZ5L
  4WE6EA50B/OFAG24NZ5L
  4WE6EA-62B/EG24N9K4
  4WE6EA50B/AW110RNZ5L
  4WE6EA50B/OFAW220-50NZ4
  4WE6EA50B/BW220-50NZ4
  4WE6EA-61B/CG24N9K4
  4WE6FA50B/AG24NZ4
  4WE6FA50B/AG24NZ5L
  4WE6FA50B/AW220-50NZ4
  4WE6FA-61B/CW220-50N9Z4
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  4WE6FA-61B/CG24N9Z4
  4WE6FA50B/AW110-50NZ4
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  4WE6GA50B/AW220-50NZ4
  4WE6GA50B/AG24NZ5L
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  4WE6GA-61B/CG12N9Z4
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  4WE6GA-61B/CG24N9Z4
  4WE6GA-61B/CG24N9Z5L
  4WE6GA-61B/CW220-50N9Z5L
  4WE6GA50B/AG12NZ5L
  4WE6GA50B/BW220-50NZ5L
  4WE6GA-61B/CG24N9K4
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  4WE6GA-61B/CW110-50N9Z5L
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  4WE6HA50B/AG24NZ5L
  4WE6HA50B/AW110RNZ5L
  4WE6HA50B/AW220-50NZ4
  4WE6HA50B/AW110-50NZ4
  4WE6HA50B/AW220-50NZ5L
  4WE6HA50B/AW220RNZ5L
  4WE6HA-61B/CW220-50N9Z4
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  4WE6HA-61B/OFCG24N9Z4
  4WE6HA-61B/CW220-50N9Z5L
  4WE6JA50B/AG24NZ4
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  4WE6JA50B/AW110-50NZ5L
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  4WE6JA50B/AW220-50NZ5LB10
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  4WE6JA-61B/CG24N9Z5LB10
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  4WE6JA-61B/CW220-50N9Z4
  4WE6JA-61B/CW220-50N9Z5L
  4WE6JA-61B/CG24N9DL
  4WE6JA50B/AW110-50NZ4
  4WE6JA50B/AG110NZ4
  4WE6JA-61B/CG24N9Z5L/V
  HD-4WE6JA60/SG24N9Z4
  4WE6LA50B/AW220-50NZ4
  4WE6LA50B/AG24NZ5LB08
  4WE6LA50B/AG24NZ4
  4WE6LA50B/AW220RNZ5L
  4WE6MA50B/AG24NZ5L
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  4WE6MA50B/AW220-50NZ5L
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  4WE6PA50B/AW220-50NZ4
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  4WE6PA50B/AG24NZ4
  4WE6QA50B/AW220-50NZ4
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  4WE6TA50B/AG24NZ4
  4WE6TA50B/AW220-50NZ4
  4WE6TA50B/AW220-50NZ5L
  4WE6TA50B/AG24NZ5LB10
  4WE6TA50B/AG24NZ5L
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  4WE6UA50B/AW220-50NZ4
  4WE6UA50B/AG24NZ5L
  4WE6UA-61B/CG24N9Z4
  4WE6UA-61B/CG24N9Z5L
  4WE6UA-61B/CW220-50N9Z4
  4WE6UA-61B/CW220-50N9Z5L
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  3WE6B50B/AW110RNZ5LB12
  3WE6B-61B/CG24N9Z4
  3WE6B-61B/CG24N9Z5L
  3WE6B-61B/CW220-50N9Z4
  3WE6B50B/AW220RNZ5L
  3WE6B-61B/CW220-50N9Z5L
  3WE6B-61B/CG12N9Z5L
  3WE6B50B/AG24NZ5LB12
  3WE6B-61B/CW110-50N9Z5L
  3WE6B-61B/CG24N9Z5LB12
  3WE6B50B/AW220-50NZ4-E
  3WE6B-61B/CG24N9Z4-E
  3WE6B-61B/CW220-50N9Z4-E
  3WE6B-61B/CW220-50N9Z5L-E
  3WE6B50B/AG24NZ4-E
  3WE6B50B/OFAG24NZ4
  3WE6B50B/OFAG24NZ5L
  3WE6B50B/AW220-50NZ5L-E
  3WE6B50B/BW220-50NZ4
  3WE6B-61B/CG24N9Z5L/V
  3WE6B-61B/CG12N9Z4
  3WE6B50B/BG24NZ5L
  3WE6B50B/OFAW220-50NZ4
  3WE6B50B/BG24NZ4
  3WE6B-61B/CG24N9Z4B10
  3WE6B50B/OFAW220RNZ5L
  3WE6B50B/OFAG220NZ4
  3WE6B-61B/CG24N9Z5LB12-E
  3WE6B50B/AG24NZ5L-E
  3WE6B-61B/CG24N9Z5L-E
  3WE6B50B/BW220-50NZ5L
  3WE6B-61B/CW220RN9Z5L-E
  4WE6EB50B/AG12NZ4
  4WE6EB50B/AG12NZ4B12
  4WE6EB50B/AG12NZ5LB08
  4WE6EB50B/AG24NZ4
  4WE6EB50B/AG24NZ5L
  4WE6EB50B/AW220RNZ5L
  4WE6EB50B/AW220-50NZ4
  4WE6EB50B/AW220-50NZ5L
  4WE6EB50B/AG24NZ4B08
  4WE6EB50B/AW110-50NZ4
  4WE6EB-61B/CG24N9Z4
  4WE6EB50B/AW110RNZ5L
  4WE6EB-61B/CW220-50N9Z4
  4WE6EB-61B/CG24N9Z5L
  4WE6EB-61B/OFCG220N9Z4
  4WE6EB-61B/OFCG24N9Z4
  4WE6EB-61B/OFCG110N9Z5L
  4WE6EB-61B/OFCG110N9Z4
  4WE6EB50B/BG24NZ4
  4WE6EB50B/BG24NZ5L
  4WE6EB-61B/OFCW220-50N9Z4
  4WE6EB50B/OFAG220NZ4B08
  4WE6EB50B/OFAG220NZ4
  4WE6EB-61B/CG24N9Z5L/V
  4WE6EB50B/AG12NZ5L
  4WE6EB-61B/OFCG24N9Z5L
  4WE6EB50B/AG220NZ5L
  4WE6EB50B/AG220NZ4
  4WE6EB50B/AW220-50NZ5LB10
  4WE6FB50B/AW220-50NZ4
  4WE6FB50B/AG24NZ4
  4WE6FB-61B/CW220-50N9Z5L
  4WE6GB50B/AG24NZ4
  4WE6GB50B/AG24NZ5L
  4WE6GB50B/AW220-50NZ5L
  4WE6GB50B/AW220-50NZ4
  4WE6GB-61B/CG12N9Z4
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  4WE6GB50B/AW220RNZ5L
  4WE6GB-61B/CW220-50N9Z5L
  4WE6GB-61B/CG24N9Z4
  4WE6GB-61B/CW220-50N9Z4
  4WE6GB-61B/CG24N9Z5L
  4WE6GB50B/OFAW220-50NZ5L
  HD-4WE6GB60/SG24N9Z4
  4WE6HB50B/AG24NZ4
  4WE6HB50B/AG24NZ5L
  4WE6HB50B/AW220-50NZ5L
  4WE6HB-61B/CG24N9Z4
  4WE6HB50B/AW220-50NZ4
  4WE6HB-61B/CG24N9Z5L
  4WE6HB-61B/CW220-50N9Z4
  4WE6JB50B/AG12NZ4
  4WE6JB50B/AG24NZ4
  4WE6JB50B/AG24NZ5L
  4WE6JB50B/AG24NZ4B08
  4WE6JB50B/AW220-50NZ5L
  4WE6JB50B/AW220RNZ5L
  4WE6JB50B/AW220-50NZ4
  4WE6JB-61B/CW220-50N9Z4
  4WE6JB-61B/CG24N9Z4
  4WE6JB-61B/OFCG220N9Z4
  4WE6JB-61B/OFCG110N9Z5L
  4WE6JB-61B/OFCG110N9Z4
  4WE6JB50B/BG24NZ4
  4WE6JB-61B/CG24N9Z5L
  4WE6JB50B/OFAG220NZ4
  4WE6JB50B/BG24NZ5L
  4WE6JB50B/AG12NZ5L
  4WE6JB50B/OFAG220NZ4B08
  4WE6JB-61B/OFCG24N9Z4
  4WE6JB-61B/CW220-50N9Z5L
  4WE6LB50B/AG12NZ4
  4WE6LB50B/AG24NZ4
  4WE6LB50B/AW220-50NZ4
  4WE6LB50B/AG24NZ5L
  4WE6MB50B/AG24NZ4
  4WE6MB50B/AG24NZ5L
  4WE6MB50B/AW220-50NZ4
  4WE6MB-61B/CG24N9Z5L
  4WE6PB50B/AW220-50NZ4
  4WE6PB50B/AG24NZ4
  4WE6PB-61B/CG24N9Z4

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