Single action devices that offer the ultimate over-pressure protection for vessels.
React to pressure differences between the process and the vent.
Can be manufactured to almost any recognized standard bore diameter, depending on the bursting pressure, operating pressure and related temperatures.
Special bore diameters available to meet specific constraints.
Broad range of materials options.
Wide range from simple forward acting tensile loaded assemblies to grooved reverse-buckling compression loaded units.
Design options include simple single discs clamped directly between flanges or complex multi-disc assemblies including both reverse buckling primary discs and conventional secondary discs with high capability reverse pressure supports.