But for safety reasons, keep in mind cylinders must always be kept upright, away from sources of heat, and be secured with a chain or strap to prevent it from falling over.
Should the gas cylinder be exposed to a heat source, the gas inside the cylinder will expand, resulting in over pressurizing the cylinder. This may cause the pressure relief valve (PRV) on the cylinder to burst, resulting in an incredibly loud boom. The cylinder will be OK, but the thin copper burst disk in the pressure relief valve (PRV) assembly will need to be replaced.
