Relief valve isolating apparatus

Details Relief valve isolating apparatus Relief valve isolating apparatus

F - Mech Eng,Light,Heat,Weapons

16

K

137/4.2

F16K 17/00 (2006.01) F16K 17/04 (2006.01) F16K 17/16 (2006.01)

Patent

CA 1127499

ABSTRACT A one-piece fluid pressure rupturable relief e valve isolating apparatus comprised of a cylindrical sup- port body having a flat annular margin of a scored concave- convex reverse buckling rupture disc welded to one end, a flat annular ring being welded between the disc and the support body so as to project interiorly of a transition between the concave-convex and flat marginal portions of the disc. The arrangement permits a welded structure with- out the welding operation substantially affecting the rup- ture pressure of the disc whilst reducing the risk of separation of fragments of the disc on rupture.

334375

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