VTOZWGAM型先导式溢流阀WGAM-10/10/100WGAM-10/10/210WGAM-10/10/350WGAM-10/11/100WGAM-10/11/210WGAM-10/11/350WGAM-20/10/100WGAM-20/10/210WGAM-20/10/350WGAM-20/11/100WGAM-20/11/210WGAM-20/11/350WGAM-32/10/100WGAM-32/10/210WGAM-32/10/350WGAM-32/11/100WGAM-32/11/210WGAM-32/11/350VTOZWGIR，WGIU型压力控制阀WGAM-20/11/350原装维拓斯VTOZ溢流阀当将溢流阀接入系统时，液压油就在阀芯上产生一个作用力，力的方向与弹簧力的方向相反，当进油口压力低于溢流阀的调定压力时,则阀芯不开启，此时进油口压力主要取决于外负载。当油液作用力大于弹簧力时，阀芯开启，油液从溢流口流回油箱。弹簧力随着溢流阀的开口量的增大而增大，直至与液压作用力相平衡。当溢流阀开始溢流时，其进油口处的压力基本稳定在调定值上，从而起到溢流稳压的作用。通过调压螺钉调节弹簧的预压缩量，可以调定溢流阀溢流压力值的大小。WGIU-10/10/50WGIU-10/10/100WGIU-10/10/210WGIU-10/11/50WGIU-10/11/100WGIU-10/11/210WGIR-10/10/50WGIR-10/10/100WGIRR-10/10/210WGIR-10/11/50WGIR-10/11/100WGIRR-10/11/210VTOZWQV-06型流量控制阀WQV-06/1WQV-06/6/VWQV-06/11WQV-06/16WQV-06/24/VVTOZWDP型单向阀WDR-06/4WDR-10/4WDR-15/4WDR-25/4WDR-06WDR-10WDR-15WDR-25VTOZWHMP，WKM型叠加式溢流阀WGAM-20/11/350原装维拓斯VTOZ溢流阀WHMP-011/50WHMP-012/50WHMP-013/50WHMP-014/50WHMP-015/50WHMP-011/100WHMP-012/100WHMP-013/100WHMP-014/100WHMP-015/100WHMP-011/210WHMP-012/210WHMP-013/210WHMP-014/210WHMP-015/210WHMP-011/350WHMP-012/350WHMP-013/350WHMP-014/350WHMP-015/350WKM-011/50WKM-012/50WKM-013/50WKM-014/50WKM-015/50WGAM-20/11/350原装维拓斯VTOZ溢流阀WKM-011/100WKM-012/100WKM-013/100WKM-014/100WKM-015/100WKM-011/210WKM-012/210WKM-013/210WKM-014/210WKM-015/210WKM-011/350WKM-012/350WKM-013/350WKM-014/350WKM-015/350WGAM-20/11/350原装维拓斯VTOZ溢流阀)