北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下:
4WE6L61B/CG12NK44WEH10E20B/6EW220-50NEZ4
4WE6L61B/CG12NZ54WEH10E20B/6EW220-50NEZ5
4WE6L61B/CG12NZ5L4WEH10E20B/6EW220-50NEZ5L
4WE6L61B/CG24N9DKL4WEH10E20B/6EW220-50NTZ4
4WE6L61B/CG24N9DL4WEH10E20B/6EW220-50NTZ5
4WE6L61B/CG24N9Z54WEH10E20B/6EW220-50NTZ5L
4WE6L61B/CG24N9Z5L4WEH10E20B/6EW220-50NZ4
4WE6L61B/CG24NDKL4WEH10E20B/6EW220-50NZ5
4WE6L61B/CG24NDL4WEH10E20B/6EW220-50NZ5L
4WE6L61B/CG24NK44WEH10F20B/6EG24NETZ4
4WE6L61B/CG24NZ54WEH10F20B/6EG24NETZ5
4WE6L61B/CG24NZ5L4WEH10F20B/6EG24NETZ5L
4WE6L61B/CW220-50N9DKL4WEH10F20B/6EG24NEZ4
4WE6L61B/CW220-50N9DL4WEH10F20B/6EG24NEZ5
4WE6L61B/CW220-50N9Z54WEH10F20B/6EG24NEZ5L
4WE6L61B/CW220-50N9Z5L4WEH10F20B/6EG24NTZ4
4WE6L61B/CW220-50NDKL4WEH10F20B/6EG24NTZ5
4WE6L61B/CW220-50NDL4WEH10F20B/6EG24NTZ5L
4WE6L61B/CW220-50NK44WEH10F20B/6EG24NZ4
4WE6L61B/CW220-50NZ54WEH10F20B/6EG24NZ5
4WE6L61B/CW220-50NZ5L4WEH10F20B/6EG24NZ5L
4WE6M50B/AG24N 4WEH10F20B/6EW220-50NETZ4
4WE6M50B/AW220-50N4WEH10F20B/6EW220-50NETZ5
4WE6M50B/BG24N 4WEH10F20B/6EW220-50NETZ5L
4WE6M50B/BW220-50N4WEH10F20B/6EW220-50NEZ4
4WE6M61B/CG12N9DKL4WEH10F20B/6EW220-50NEZ5
4WE6M61B/CG12N9DL4WEH10F20B/6EW220-50NEZ5L
按作用原理分类,可以分为直接作用式安全阀和非直接作用式安全阀。
1.直接作用式安全阀
直接作用式安全阀是在工作介质的直接作用下开启的,即依靠工作介质压力的作用克服加载机构加于阀瓣
的机械载荷,使阀门开启。这种安全阀具有结构简单,动作迅速,可靠性好等优点。但因为依靠结构加载,其载荷大小受到限制,不能用于高压、大口径的场合。