阀体上的接口，也就是电磁阀的通路数，有几个通路口，该电磁阀就叫几通电磁阀。
电磁阀安装后，一般所有接口都应该是连接好了的，所谓工作位置指的是阀芯的位置。
博世力士乐的阀芯在线圈不通电时处在甲位置，在线圈通电时处在乙位置，
阀芯在不同位置时，对各接口起到或接通或封闭的作用
德国力士乐REXROTH电磁阀部分型号如下：
4WE6B62/EW230N9K4 4WE6C62/EW230N9K4 4WE6D62/EW230N9K4 4WE6Y62/EW230N9K4
4WE6D62/OFEW230N9K4 4WE6D62/OFEW230N9K4/V 4WE6A62/EG12N9K4 4WE6C62/EG12N9K4
4WE6D62/EG12N9K4 4WE6Y62/EG12N9K4 4WE6F70/HG24N9K4 4WE6D70/HG24N9K4
4WE6G70/HG24N9K4 4WE6L70/HG24N9K4 4WE6M70/HG24N9K4 4WE6U70/HG24N9K4
4WE6EA62/EG24N9K4 4WE6G62/EG24N9K4 4WE6V6X/EW230N9K4 4WE6V6X/EG24N9K4
4WE6V62/EW230N9K4 4WE6V62/EG24N9K4 4WE6UA6X/EW230N9K4 4WE6UA6X/EG24N9K4
4WE6UA62/EW230N9K4 4WE6UA62/EG24N9K4 4WE6U6X/EW230N9K4 4WE6U6X/EG24N9K4
4WE6U62/EW230N9K4 4WE6U62/EG24N9K4 4WE6T6X/EW230N9K4 4WE6T6X/EG24N9K4
4WE6T62/EW230N9K4 4WE6T62/EG24N9K4 4WE6RA6X/EW230N9K4 4WE6RA6X/EG24N9K4
4WE6RA62/EW230N9K4 4WE6RA62/EG24N9K4 4WE6R6X/EW230N9K4 4WE6R6X/EG24N9K4
4WE6R62/EW230N9K4 4WE6R62/EG24N9K4 4WE6Q6X/EW230N9K4 4WE6Q6X/EG24N9K4
4WE6Q62/EW230N9K4 4WE6Q62/EG24N9K4 4WE6P6X/EW230N9K4 4WE6P6X/EG24N9K4
4WE6P62/EW230N9K4 4WE6P62/EG24N9K4 4WE6MA6X/EW230N9K4 4WE6MA6X/EG24N9K4
4WE6MA62/EW230N9K4 4WE6MA62/EG24N9K4 4WE6M6X/EW230N9K4 4WE6M62/EG24N9K4
4WE6LA6X/EW230N9K4 4WE6LA6X/EG24N9K4 4WE6LA62/EW230N9K4 4WE6LA62/EG24N9K4
4WE6L6X/EW230N9K4 4WE6L6X/EG24N9K4 4WE6L62/EG24N9K4 4WE6JA6X/EW230N9K4
4WE6JA6X/EG24N9K4 4WE6JA62/EW230N9K4 4WE6HA6X/EW230N9K4 4WE6HA6X/EG24N9K4
4WE6HA62/EW230N9K4 4WE6H6X/EW230N9K4 4WE6GA6X/EW230N9K4 4WE6GA6X/EG24N9K4
4WE6GA62/EW230N9K4 4WE6GA62/EG24N9K4 4WE6G6X/EW230N9K4 4WE6G6X/EG24N9K4
4WE6F6X/EW230N9K4 4WE6EA6X/EW230N9K4 4WE6EA6X/EW230N9K4 4WE6EA6X/EG24N9K4
4WE6EA6X/EG24N9K4 4WE6EA62/EW230N9K4 4WE6EA62/EG24N9K4 4WE6EA62/EG24N9K4
4WE6E6X/EG24N9K4 4WE6E6X/EG24N9K4/B10 4WE6E6X/EG24N9K4/B10 3WE10B3X/CG24N9K4
