Valve mechanism with frangible plug

摘要

A valve mechanism 100 is herein described that utilises a frangible plug 10. The valve mechanism comprises a valve body 50 having an inlet port 52 and an outlet port 54 and a passageway 56 extending therebetween. The valve mechanism 100 comprises a frangible plug 10 that is held within the valve body 50 to block the passageway 56 when the plug is intact. The plug comprises a predefined fracture plane and is configured to fracture across the predefined fracture plate 90 upon application of an impact force.