北京华德换向阀部分型号如下:
4WE6M61B/CG12N9K4 4WEH10F20B/6EW220-50NTZ4
4WE6M61B/CG12NDKL 4WEH10F20B/6EW220-50NTZ5
4WE6M61B/CG12NDL 4WEH10F20B/6EW220-50NTZ5L
4WE6M61B/CG12NK4 4WEH10F20B/6EW220-50NZ4
4WE6M61B/CG24N9DKL 4WEH10F20B/6EW220-50NZ5
4WE6M61B/CG24N9DL 4WEH10F20B/6EW220-50NZ5L
4WE6M61B/CG24N9K4 4WEH10G20B/6AW220-50NETZ4
4WE6M61B/CG24NDKL 4WEH10G20B/6AW220-50NETZ5
4WE6M61B/CG24NDL 4WEH10G20B/6AW220-50NETZ5L
4WE6M61B/CG24NK4 4WEH10G20B/6AW220-50NEZ4
4WE6M61B/CW220-50N9DKL 4WEH10G20B/6AW220-50NEZ5
4WE6M61B/CW220-50N9DL 4WEH10G20B/6AW220-50NEZ5L
4WE6M61B/CW220-50N9K4 4WEH10G20B/6AW220-50NTZ4
4WE6M61B/CW220-50N9Z5L 4WEH10G20B/6AW220-50NTZ5
4WE6M61B/CW220-50NDKL 4WEH10G20B/6AW220-50NTZ5L
4WE6M61B/CW220-50NDL 4WEH10G20B/6AW220-50NZ5
4WE6M61B/CW220-50NK4 4WEH10G20B/6AW220-50NZ5L
4WE6P50B/AG24N 4WEH10G20B/6EW220-50NETZ4
4WE6P50B/AW220-50N 4WEH10G20B/6EW220-50NETZ5
4WE6P50B/BG24N 4WEH10G20B/6EW220-50NETZ5L
4WE6P50B/BW220-50N 4WEH10G20B/6EW220-50NEZ4
4WE6P61B/CG12N9DKL 4WEH10G20B/6EW220-50NEZ5
4WE6P61B/CG12N9DL 4WEH10G20B/6EW220-50NEZ5L
4WE6P61B/CG12N9K4 4WEH10G20B/6EW220-50NTZ4
4WE6P61B/CG12N9Z4 4WEH10G20B/6EW220-50NTZ5
4WE6P61B/CG12N9Z5 4WEH10G20B/6EW220-50NTZ5L
换向阀是实现液压油流的沟通、切断和换向,以及压力卸载和顺序动作控制的阀门,是具有两种以上流动形式和两个以上油口的方向控制阀。可分为手动换向阀、电磁换向阀、电液换向阀等。工作时借着阀外的驱动传动机构转动驱动轴,带动摇拐臂,启动阀板,使工作流体时而从左入口通向阀的下部出口,时而从右入口变换通向下部出口,实现了周期变换流向的目的。手柄逆时针旋转,两组密封组件分别在凸轮的作用下关闭下端的两个通道,上端的两个通道分别与管道装置的进口相通