Proper insertion of cylinder valves help prevents leaking. A clean surface, proper lubrication and proper torque ensure a tight seal between the cylinder and the valve.
Valve Repair and Inspection
When cylinders are exposed to fires, why do some of them explode and others do not?
Failing to follow basic cylinder handling procedures caused loss of life, damage and a large court fine. Uncapped cylinders fell over, causing a cascade effect.
When dealing with high-pressure gases, cylinder technicians need to be aware of the numerous hazards: Corrosion, falling cylinders dislodging valves, burst discs rupturing, and decibel levels of escaping gases. The technician, or anyone handling a high-pressure cylinder, needs to be aware of the cylinder and its surroundings during use.
This specific incident involved two employees moving a 600 psi (41 bar) Halon (fire suppression) cylinder to be weighed. Not knowing the exact specifications of this 4BW cylinder or capacity it is within the range of 48” (1.2m) tall and around 200 lbs (90 kilos).
In August of 2019, a wedding DJ was using a carbon dioxide cylinder for effects during a wedding celebration. There was an incident reported as an explosion involving the cylinder and stating three people were injured. As in most immediate news reports, accuracy was not key, and there was not much follow up to the initial claims of the explosion.