Return valve

Once the medium pressure in the system pipeline or device exceeds the set value, the return valve will automatically release the pressure, thus achieving the function of safety protection. There are two types of non return valves, spring type and rod type.

The spring type safety non return valve mainly relies on the force of the spring to work, and the valve net spring type safety return valve has a closed and Closed, generally flammable, explosive or toxic media should be closed, and steam or inert gas can be unclosed.

The lever type safety return valve mainly relies on the force of the lever weight to work, but the large size of the lever type safety valve often limits the selection range. When the temperature is high, a safety valve with a radiator is selected.

Backflow valves are widely used, and are generally used in boiler feed water, cooling water, and condensate equipment in power plants and nuclear power plants; petroleum, chemical industry, and refrigeration equipment. Common non return check valve include: KA Series Check Valve, CV Series Check Valve.

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