About 10 years ago, I walked into the machine shop at a place I worked and there was one of the smallest acetylene cylinders sitting on the welding table with about 10 feet of flame coming out of the valve area. The building was a high bay, steel building so the risk of setting it on fire was low. After the cylinder had emptied itself, we looked it over and the solder overpressure/overtemp plug had come out of the valve, and dumped the contents of the cylinder to the air where it caught fire. Still pretty wound up, I called the gas supplier and their attitude was "Yeah, so what, put it outside and we will bring you another one Monday, go away". The next time my acetylene cylinder at home was empty, I never refilled it. Eventually, I swapped the oxygen and acetylene cylinders for another argon cylinder. Welding is all TIG now and cutting is saw or plasma.
Have any of you had one of those plugs come out? Is this a rare (I hope) occurrance?
Bob