Safety pressure relief device and method for making the same

Details Safety pressure relief device and method for making the same Safety pressure relief device and method for making the same

B - Operations, Transporting

01

J

26/162, 137/4.2

B01J 3/00 (2006.01) F16K 17/16 (2006.01)

Patent

CA 1286565

Abstract 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. An arc-shaped slit, centered with respect to the vacuum support disk, is formed therethrough and permits fluid com- munication between either side of the vacuum, support disk. A pair of opposed substantially parallel disk edges define opposite 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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