DR6DP7-5X/210Y
武汉盛博特机电设备有限公司
电话：15007192649 027-51334010
传真：027-50738201 QQ:2843285950
联系人：赵先生
详解德国REXROTH比例换向阀的特点
德国REXROTH比例换向阀是一种中高压整体式两路换向阀。可按客户要求在阀上设溢流阀、过载阀、单向阀、补油阀等。溢流阀可调节系统压力、过载阀控制单个油腔工作压力，单向阀防止油液倒流，换向阀滑阀机能有A、O、Y、P等，可任意组合。换向手柄有两种安装形式，便于不同方向的操作。该阀采用并联油路，设计有压力输出口与其它液压元件相接提供动力源。经过特殊设计的密封方式，使阀的密封性能卓越。该阀泛用于叉车、环卫车辆、小型装载机等工程机械的液压系统。液压换向阀，由左右驱动阀组成，驱动阀包括驱动阀阀体和阀芯，其特征是：所述驱动阀阀体上设有过载保护阀，过载保护阀与阀体的进出油口连接，所述过载保护阀包括主阀体、副阀体、阀针和单向阀芯，所述主阀体后端螺接有副阀体，所述副阀体内腔置有阀针，阀针后端套接复位弹簧，锥形阀针与副阀体前端的油孔触接，所述单向阀芯前端设有圆孔，圆孔与节流阀芯滑动配合，所述中心设有节流孔的节流阀芯后端设有弹簧，所述副阀体前端与单向阀芯内腔之间形成卸压腔。有益效果：实现了微动效果；增加过载保护阀，使工作系统传过来的瞬时高压在系统的溢流阀卸荷之前开启，去除峰值压力，有效保护了液压件及结构件免受到破坏性冲击，换向阀是管路流体输送系统中控制部件，它是用来改变通路断面和介质流动方向，具有导流、截止、调节、节流、止回、分流或溢流卸压等功能。
SV单向阀
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R978910038 SV30GA4-4X/V/12
R978912051 SV25GA4-4X/12
R978914280 SV15GA4-4X/12
R978917483 SV30PA3-4X/V
德国REXROTH比例换向阀是并联式手动换向阀，具有高度集成的结构，压力损失小，工作可靠，安装维修方便等特点，可实现多个执行机构的集中控制，可按不同的使用要求组合功能阀片，该系列换向阀每联都带单向阀。根据用户需要，可在任一工作腔和回油腔之间安装过载阀或补油阀，单双作用调节手柄可以根据机型的不同进行互相转换。DF50系列换向阀广泛应用于各类行走机械中。