*Compressed Gas Cylinder Hazards* No need to tank me for this information... Leaving free standing cylinders can easily lead to a chaotic situation essentially vaporizing your opportunity to make it home safely. A compressed gas cylinder is like a sleeping giant. It is heavy, smooth, and hard to grip securely. It can be up to 57 inches tall, may weight up to 155 lbs full and be pressurized up to 2,200 psi. The effects of unintentional release of energy by a compressed gas cylinder can have devas