Importance

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Abstract

A pressure relief valve assembly includes a body having a passage extending therethrough. The body includes an upstream end adapted to be connected to a source of fluid pressure, an intermediate portion, and a downstream end having a downstream exit. A rupture disk is mounted in the passageway and blocks the fluid pressure of the source from the downstream end. In operation, the rupture disk configured to rupture above a predetermined differential fluid pressure. A catcher is disposed in the passage downstream of the rupture disk. The catcher generally includes a disk portion with at least one opening sized to prevent passage of the rupture disk through the catcher in response to a rupture disk failure while simultaneously allowing fluid flow through the catcher to the downstream exit.

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First Claim