Bs&b Safety Systems, Inc.

Wayne V Wright

Dixit B Kadakia

A vacuum support for use with a safety pressure relief rupture member. A vacuum support disk includes a convex side and a concave side with the convex side being positioned against a concave side of the rupture disk which also includes convex and concave sides. A arc-shaped slit, centered with respect to the vacuum support disk, is formed therethrough and permits fluid communication between either side of the vacuum support disk. A pair of opposed substantially parallel disk edges define opposte sides of the slit. The edges are urged against one another when the pressure on the concave side of the vacuum support disk is lower than the pressure on the convex side of the rupture disk thereby supporting the rupture disk.

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Cushing, OK, United States of America

Wayne V Wright