Safety/Pressure, Vacuum Relief Valve

Relief valves that protect a line, vessel or air receiver from over-pressure, together with vacuum relief valves that admit air when a tank is drained or cools and would otherwise be pulled in on itself. The range is mainly brass, with stainless steel bodies, in full-size and mini patterns, and includes a version with a hose tail so the discharge can be piped away to a drain. Specify the set pressure, the connection size and thread, the relieving capacity the equipment needs, and the medium: brass suits air and water, stainless the more aggressive services.