... corrosion resistance 4.long life of Automatic Control Valves Water Softener Type choice:Softener equipment applies cation resin for ... ,it has not only automatic function,but also is manual operation.Technical index and working1.Water pressure:0.18-0.6Mpa ... drinking,wine,washing,textile,chemical,medicine and other industrial softener water treatment.Double tanks one runningh and the other alternating ...