mountain water supply
river pumping 
farmland irrigation
1. Conveying medium temperature should be below 40℃.
2. Conveying medium PH value should be 6.5-8.5.
3. The volume ratio of particle in the conveying medium should be below 0.1%, The maximum particle in the conveying medium is 0.2MM.
4. Power frequency:50Hz, Voltage:AC220V/380V.
5. Taking the center of the impeller as the reference, pump should not work deeper than 5 meters.
6. Real working head should be no less than 60% of rated head.
