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.

Explode view of Direct Acting Pressure Relief Valve

Features

◆ 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 supply pressure and adjust to specific pump specifications.

◆ Adjusting nut allows easy calibrated pressure adjustment.

◆ Stainless Steel 316 lower body and upper body construction for durability and compatibility.

◆ Easy maintenance, maintenance kits are available upon request.

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