华德换向阀4WE6J61B/CW220-50NZ5*
华德换向阀4WE6J61B/CW220-50NZ5*
华德换向阀4WE6J61B/CW220-50NZ5*
华德换向阀4WE6J61B/CW220-50NZ5*
华德换向阀4WE6J61B/CW220-50NZ5*

4WE6J61B/CW220-50NZ5华德换向阀4WE6J61B/CW220-50NZ5*

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2019-10-09 11:17:56
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产品简介

华德换向阀4WE6J61B/CW220-50NZ5*
北京华德 华德电磁阀 华德调速阀 华德单向阀 华德比例阀 华德换向阀

详细介绍

华德换向阀4WE6J61B/CW220-50NZ5*

华德换向阀4WE6J61B/CW220-50NZ5*

 

 

北京华德液压全系列 具体型号

北京华德换向阀部分型号如下:

4WE6G61B/CW220-50N9Z5 4WEH10C20B/6AW220-50NEZ4

4WE6G61B/CW220-50N9Z5L 4WEH10C20B/6AW220-50NEZ5

4WE6G61B/CW220-50NDKL 4WEH10C20B/6AW220-50NEZ5L

4WE6G61B/CW220-50NDL 4WEH10C20B/6AW220-50NTZ4

4WE6G61B/CW220-50NZ5 4WEH10C20B/6AW220-50NTZ5

4WE6G61B/CW220-50NZ5L 4WEH10C20B/6AW220-50NTZ5L

4WE6H50B/AG24N         4WEH10C20B/6AW220-50NZ4

4WE6H50B/AW220-50N 4WEH10C20B/6AW220-50NZ5

4WE6H50B/BG24N         4WEH10C20B/6AW220-50NZ5L

4WE6H50B/BW220-50N 4WEH10C20B/6EW220-50NEZ4

4WE6H61B/CG12N9K4 4WEH10C20B/6EW220-50NEZ5

4WE6H61B/CG12N9Z4 4WEH10C20B/6EW220-50NEZ5L

4WE6H61B/CG12N9Z5 4WEH10C20B/6EW220-50NZ4

4WE6H61B/CG12N9Z5L 4WEH10C20B/6EW220-50NZ5

4WE6H61B/CG12NK4 4WEH10C20B/6EW220-50NZ5L

4WE6H61B/CG12NZ4 4WEH10C20B/O6AG24NETZ4

4WE6H61B/CG12NZ5 4WEH10C20B/O6AG24NETZ5

4WE6H61B/CG12NZ5L 4WEH10C20B/O6AG24NETZ5L

4WE6H61B/CG24N9K4 4WEH10C20B/O6AG24NEZ4

4WE6H61B/CG24N9Z4 4WEH10C20B/O6AG24NEZ5

4WE6H61B/CG24N9Z5 4WEH10C20B/O6AG24NEZ5L

4WE6H61B/CG24N9Z5L 4WEH10C20B/O6AG24NTZ4

4WE6H61B/CG24NK4 4WEH10C20B/O6AG24NTZ5

4WE6H61B/CG24NZ4 4WEH10C20B/O6AG24NTZ5L

4WE6H61B/CG24NZ5 4WEH10C20B/O6AG24NZ4

4WE6H61B/CG24NZ5L 4WEH10C20B/O6AG24NZ5

4WE6H61B/CW220-50N9K4 4WEH10C20B/O6AG24NZ5L

 

北京华德液压全系列 具体型号

北京华德换向阀部分型号如下:

4WE6H61B/CW220-50N9Z4 4WEH10D20B/6AW220-50NETZ4

4WE6H61B/CW220-50N9Z5 4WEH10D20B/6AW220-50NETZ5

4WE6H61B/CW220-50N9Z5L 4WEH10D20B/6AW220-50NETZ5L

4WE6H61B/CW220-50NK4 4WEH10D20B/6AW220-50NEZ4

4WE6H61B/CW220-50NZ4 4WEH10D20B/6AW220-50NEZ5

4WE6H61B/CW220-50NZ5 4WEH10D20B/6AW220-50NEZ5L

4WE6H61B/CW220-50NZ5L 4WEH10D20B/6AW220-50NTZ4

4WE6J50B/AG24N         4WEH10D20B/6AW220-50NTZ5

4WE6J50B/AW220-50N 4WEH10D20B/6AW220-50NTZ5L

4WE6J50B/BG24N         4WEH10D20B/6AW220-50NZ4

4WE6J50B/BW220-50N 4WEH10D20B/6AW220-50NZ5

4WE6J61B/CG12N9DKL 4WEH10D20B/6AW220-50NZ5L

4WE6J61B/CG12N9DL 4WEH10D20B/6EW220-50NETZ4

4WE6J61B/CG12N9Z4 4WEH10D20B/6EW220-50NETZ5

4WE6J61B/CG12N9Z5 4WEH10D20B/6EW220-50NETZ5L

4WE6J61B/CG12N9Z5L 4WEH10D20B/6EW220-50NEZ4

4WE6J61B/CG12NDKL 4WEH10D20B/6EW220-50NEZ5

4WE6J61B/CG12NDL 4WEH10D20B/6EW220-50NEZ5L

4WE6J61B/CG12NZ4 4WEH10D20B/6EW220-50NTZ4

4WE6J61B/CG12NZ5 4WEH10D20B/6EW220-50NTZ5

4WE6J61B/CG12NZ5L 4WEH10D20B/6EW220-50NTZ5L

4WE6J61B/CG24N9DKL 4WEH10D20B/6EW220-50NZ4

4WE6J61B/CG24N9DL 4WEH10D20B/6EW220-50NZ5

4WE6J61B/CG24N9Z4 4WEH10D20B/6EW220-50NZ5L

4WE6J61B/CG24N9Z5 4WEH10E20B/6AW220-50NETZ4

4WE6J61B/CG24N9Z5L 4WEH10E20B/6AW220-50NETZ5

4WE6J61B/CG24NDKL 4WEH10E20B/6AW220-50NETZ5L

 

 

 

 

在调节节流部分时,出油腔流量不发生变化,其主要原因是阀芯径向卡住和节流部分发生故障等。减压阀芯或节流阀芯在全关闭位置时,径向卡住,会使调节节流口开度而出油腔的流量不发生变化。当节流调节部分发生故障时,会使调节螺杆不能轴向移动,使出油腔流量也不发生变化。发生阀芯卡住或节流调节部分故障时,应进行清洗和修复。

节流调节型调速阀当节流口调整好锁紧后,有时会出现流量不稳定现象,特别在小稳定流量时易发生,其主要原因是锁紧装置松动,节流口部分堵塞,油温升高,进、出油腔小压差过低和进、出油腔接反等。

1、要保证调速阀对流量(即对执行元件油缸的速度)的控制精度,需要保证一定的压差(进出油腔小压差,指节流口全开,通过公称流量时,阀进出油腔的压差);普通调速阀,其压差不应小于0. 5MPa。高精度调速阀,其压差高达1MPa。另外,环境温度变化比较大时,就选用带温度补偿的调速阀。注意:压差过低,减压阀部分不能正常工作,就不能对节流阀进行有效的压力补偿,因而影响 液压站液压系统流量的稳定。

通过阀的实际流量确定小了,将导致阀的规格(容量)选得偏小、使阀的局部压力损失过大,引起油温过高等弊端,严重时会造成液压站液压系统不能正常工作。要以通过阀的实际流量(不是按泵的流量),作为选择阀的主要参数之一。

3、控制阀的使用压力、流量,不要超过其额定值,如流量控制阀的使用压力、流量超过了其额定值,就易引起液压卡紧和液动力,对控制阀工作品质产生不良影响。

4、注意普通调速阀启动时存在着流量跳跃现象,这种流量跳跃现象会影响执行元件油缸速度的平稳性。为此,应采取相应的措施。

 

 

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