Description

Safety Valve (Pressure Relief Valve) which automatically releases a substance from a boiler, pressure vessel, or other system, when the pressure or temperature exceeds preset limits. Also pilot-operated relief valves could have the function of safety valves.

Safety Valves are used on Pressure equipments,Containers or Pipeline as over Pressure in the equipment increase and exceeds allowance.the valve can automatically open to discharges some mediums to prevent the pressure keeping raised.when the pressure decreases till to the stipulated value,the valve can close in time to avoic the pressure too much reduced,so that normal production will be carried out.