Rupture Disc Working Principle

Rupture Disc Working Principle

A Rupture Disc, or bursting disc is a safety device used to protect vessels, piping and other systems or equipment from excessive pressure and/or vacuum. The disc itself is a sheet of metal that has been deliberately weakened so that it will burst – or rupture – at a specific pressure. This means that if the pressure in the system builds up and reaches dangerous levels, the disc bursts, relieving the excess pressure and preventing life-threatening injury as well as catastrophic damage to the equipment.

An advantage of using rupture discs is their reliability because there are no moving parts. Additionally, they activate faster than other types of PRD (pressure relief device), and they can be made from higher alloys than other PRDs due to their lower weight.

Rupture Disc are suitable for use as a single PRD, in systems designed with multiple PRDs, and in fire condition applications. Rupture discs are never to be used on power boilers or other fired vessels as described in ASME section I. They are suitable for applications on all other non-fired vessels as described in ASME Section VIII.

Rupture Disc are often installed in series with a Pressure Relief Valve (PRV). In these types of applications, the devices are considered ‘close coupled’, which limits shock loading on the relief valve during activation.

OsecoElfab have wide range of Rupture Disc product and Explosion Vent. With industries served in Oil and Gas, Chemical & Petrochemical, Food and Beverages, Pharmaceuticals, Power Plant and also other general industries.

For product types and variations, please see this page

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