中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。
氨用阀则不能采用铜材。
2、爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。
3、电磁阀公称压力应超过管内最高工作压力
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
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
