A Direct acting relief valve or Direct acting pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire. How to adjust Direct Acting Pressure Relief Valve? Step 1: Loose the lock nut of the adjusting stem. Turn the adjusting screw counterclockwise until lowest outlet pressure. Step 2: Adjusting the required set-point by turning adjusting stem clockwise and watch the pressure gauge to required upstream pressure. Pressure Relief valve is a safety device to release exceed pressure, preventing undesired damages within a system. Direct Acting Pressure Relief Valve is suitable for general liquids and gases. Suitable for process automation control and many general purpose applications. Convenient in-style mounts either horizontally or vertically. Wide range capacity to handle local water
