1. Conveying medium temperature should be below 40℃.
2. Conveying medium PH value should be 6.5-8.5.
3. The volume ratio of solid impurities in the medium shall not exceed 0.05%, and the particle size shall not exceed 0.2mm.
4. The chloride ion content in water is not more than 400mg/L.
5. Taking the center of the impeller as the reference, pump should not work deeper than 5 meters.