Managing instances of excessive pressure in industrial plants is a basic element of safety both for structures and technicians. Rupture discs are, as of today, the perfect tools to guarantee complete safety.
What is a Rupture Disc? How Does a Burst Disk Work?
Rupture discs are safety devices with the function of stopping sudden variations in pressure from damaging an industrial plant.
They mainly consist of a thin membrane – which can be made of several different materials, depending on the exact situation – which is designed to break and open when the specific level of differential pressure rises above the resistance limit that the disc was originally calibrated for, so as to allow for the excess pressure to vent out safely.
Rupture discs are devices that perform the same basic function as safety valves.
The main difference however being that they intervene as a result of the differential pressure to which they are subjected but then they cannot be re-closed (in fact, they must be replaced once opened).
Typically, bursting discs are devices composed of an assembly that also includes a special container called holder and, when necessary, other components such as: a vacuum or back pressure support, a reinforcement ring, a rupture indicator, etc.
Rupture discs are pressure-tight devices designed to open by means of rupture at a pre-predetermined pressure value.
There are different types of rupture discs manufactured in corrosion resistant metals or in graphite.
They can cover a wide range of sizes, rupture pressures and operating temperatures.
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