According to the operating conditions of the equipment, it can be divided into single valve single tank type, double valve double tank type, and multi valve parallel connection type

Double valve and double tank softened water is mainly used for continuous water supply conditions such as process water or steam boilers. Its main advantage is strong backup and 24-hour continuous water supply

The single valve single tank type is mainly used for replenishing circulating water, usually using a water softener and a soft water tank for water supply. The main features are small footprint and low cost.