DV5 Series High Pressure Medium Flow Diaphragm Valves are equipped with cobalt‑nickel alloy diaphragms that feature high strength, corrosion resistance and long service life.The operating pressure ranges from vacuum to 3500 psig for manual actuation and from vacuum to 3000 psig for pneumatic actuation, with a flow coefficient of 0.8. Suitable for medium-flow applications, a variety of seat materials, port types and sizes are available.