1. Three-phase alternating current with rated frequency in50Hz, rated voltage in 380V, 660 V or 1,140V (permissible deviation ±5%). (When placing an order, users must specify the voltage value of electric pump).
2. Electric pump may work in shallow water or submerged into water not exceeding 5m.
3. The temperature of media handled not exceeding 40C.ambient working temperature between 0~40C.
4.’ The PH value of liquid pumped between4~ 10.
5. The volume ratio of solid impurities contained in water shall not exceed 2%.
6. The diameter of solid particles contained in water shall not exceed the 50% of the minimum size of flow passing section.