Imi Marston Limited

George W Brodie

A domed bursting disc adapted to be mounted in a holder and subject to pressure in which the disc is formed of flexible graphite. The flexible graphite may be used in a reverse buckling mode and may be backed by a metal disc. The disc is capable of operations over a wide range of temperatures and in non-oxidizing atmospheres can operate at temperatures up to 3,000.degree. C.

Pressure relief disc

A safety pressure relief device including a pair of annular disc holders adapted to clamp between them a reverse buckling disc, one of the annular discs being located within the other disc and an arrester bar being disposed within the confines of the other disc member.

Safety pressure relief device assembly

A reverse buckling disc pressure relief venting apparatus in which the disc is held in position by an annular abutment against which the edge of the disc is forced when spreading under pressure and in which sealing is performed by means of a compressible seal acting between the disc and a support member for the disc.

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Wellington, United Kingdom

George W Brodie