武汉直发4WRZE10W8-85-7X/6EG24N9TK31/A1V

因此当执行结构是单出杆的油缸时，要考虑活塞杆的杆径面积，活塞杆一侧的节流槽要进行减小，加入活塞杆面积是缸面积一半，那么选择的阀就要选择相对应E1、E2、W1、W2型，并且比例阀的AB油口随着选型就已经确定了，两个油口不能随便倒换
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