1. It is suitable for well or reservoir water supply;
2. It is suitable for civil, industrial, mining and enterprise;
3. It is used in school and irrigation garden;
4. The maximum liquid temperature is + 35 ℃;
5. The pH value is between 6.5 and 8.5, and the maximum sediment concentration is 0.25%;
6. The maximum immersion depth is 30 m;
7. The minimum well diameter is 100 mm.