A FRANGIBLE PLUG FOR USE IN A VALVE MECHANISM

摘要

A frangible plug for use in a valve mechanism, the frangible plug comprising: a first section 1 having a first end 13 and an opposing second section 2 having a second end and a cylindrical sidewall 16 extending between the first and second ends; means 100 for applying a force on the cylindrical sidewall of the frangible plug such that the first section fractures from the opposing second section, and wherein the means for applying a force on said cylindrical sidewall extends circumferentially around the outer circumference of the sidewall.