The R-K DRV (Diaphragm Relief Valve) series is designed to release any unwanted (UP-STREAM) pressure on the piping, storage tank and/or system due to the pressure surges, vaporizing, heat reaction. This valve is designed to work with low pressure only. Adjustable screw and lock-nut makes it easy and accurate preset relief pressure. Pressure range from 5 to 25 PSI Teflon (primary) and elastomer (back-up) diaphrams.
No metal contact with fluid. Top entry makes in-line maintenance quickly and easily Ideally for DI water, harsh chemical, and other high purity applications. To release back pressure (downstream pressure) or higher pressure range, please see R-K ‘s MRB specifications.
