Safety pressure relief device

Details Safety pressure relief device Safety pressure relief device

2011-01-18

2011-01-18

Rivell, John (Department: 3753)

Fluid handling

Destructible or deformable element controlled

Destructible element

C137S068270, C072S057000

Reexamination Certificate

active

07870865

ABSTRACT:
A pressure relief bursting disc has a flange portion, a sloping portion interior of the flange portion and a dished portion interior of the sloping portion. The sloping portion has its wider end joined to the flange portion and slopes up from the flange portion in a first direction and is joined at its narrower end directly to the dished portion. The dished portion has its concave side facing in the first direction. In use pressure is applied to the concave side of the dished portion. The disc has a line of weakness, in the sloping portion. This shape achieves reliability of the burst strength, because the sloping portion buckles at the burst strength.

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