The safety valve is a special valve that the opening and closing parts are in a state of constant closure under the action of
external force, and when the medium pressure in the equipment or pipeline rises beyond the specified value, it can prevent the
medium pressure in the pipeline or equipment from exceeding the specified value by discharging the medium outside the system.
Safety valve belongs to automatic valve, mainly used in boilers, pressure vessels and pipelines, control pressure does not exceed
the specified value, personal safety and equipment operation plays an important role in protection
