Pressure relief panel hold open apparatus and method

Details Pressure relief panel hold open apparatus and method Pressure relief panel hold open apparatus and method

E - Fixed Constructions

04

B

E04B 2/00 (2006.01) E04B 1/98 (2006.01) E06B 5/12 (2006.01)

Patent

CA 2044489

A pressure relief panel assembly for protecting a building against over-pressure caused by explosion. The assembly has a panel pivotally connected to a frame and held by a calibrated magnet and striker set which releases when a predetermined over-pressure occurs. A linkage of two arms limits the extent to which the panel can blow open, and a spring mounted on one of the arms catches the other arm when the panel has blown open, pre- venting the panels from re-closing and thereby preventing implosion damage to the building. Alternatively, the panel, after opening, may be held partly open by a stop bar which pivots downwardly so that its end engages the magnet face, thus holding the panel partly open to pre- vent implosion damage to the building after the explo- sion.

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