Unfortunately the fusible plug does not prevent a majority of fridge safety issues.
2.
Lead fusible plugs may be present in the crown of the boiler's firebox.
3.
It is reported that the fusible plug will only vent the pressure vessel in the event of a fire.
4.
The RV fridge fusible plug is a retroactive device which responds to a major failure mode that results in a fire.
5.
Aircraft tires also include fusible plugs ( which are assembled on the inside of the wheels ), designed to melt at a certain temperature.
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However, 397 was only used once on the demolition trains in April 1956, only to be failed when it dropped a fusible plug.
7.
The development of the fusible plug to release pressure in conditions of excessively high temperature and low water levels was designed to protect against this occurrence.
8.
Fusible plugs are sometimes fitted to the receivers of air compressors as a precaution against the ignition of any lubricating oil vapour that might be present.
9.
A patented ( Patent published 1867 ) type of fireproof safe uses a fusible plug to douse its contents with water if the external temperature gets too high.
10.
Medical gas cylinders in the UK and some other countries have a fusible plug of Wood's metal in the valve block between the valve seat and the cylinder.