The working principle of the water valve and used in closed-loop system, play the following roles: 1: Automatic valve with decompression regulator device, the pressure value can be adjusted with the pressure gauge and automatically maintain the adjusted system pressure; when the system When the pressure is reduced, the water is automatically turned on and automatically shut down when the set pressure is reached, so as to prevent the water pressure from damaging the system equipment. 2: Prevent system water backflow; The automatic fill valve has a check valve to prevent the system water from reducing Stop when the return. 3: Manual cut off; in order to facilitate the maintenance of system equipment, automatic valve with manual shut-off valve, you can turn off the water supply.
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