Sanitary tapware - pressure flushing valves and automatic closing urinal valves pn 10 ; german version en 12541 : 2002 卫生便池.压力冲洗阀和自动关闭冲水阀
The device is suitable to 380 - 220kv substation ' s automatic closing emergency sources control of lines , two - winding transformers or three - winding transformers 该装置适用于变电站内380v ? 220kv各种电压等级线路、双卷、三卷等变压器的双方向备用电源自动投入控制。