Gas cylinder
Gas Cylinder
A Gas Cylinder (pronounced: /gæs 'sɪlɪndər/) is a pressure vessel used to store gases at above atmospheric pressure. High-pressure gas cylinders are also called bottles.
Etymology
The term "Gas Cylinder" is derived from the English words "gas" and "cylinder". The word "gas" is from the Greek word "khaos" meaning "empty space", while "cylinder" is from the Greek word "kulindros" which means "roller, tumbler".
Description
A typical gas cylinder design is elongated, standing upright on a flattened bottom end, with the valve and fitting at the top for connecting to the receiving apparatus. The construction materials used for the cylinders depend on the gas stored, but the most common materials include steel, aluminum, and composite materials.
Related Terms
- Pressure vessel: A container designed to hold gases or liquids at a pressure substantially different from the ambient pressure.
- Valve: A device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways.
- Steel: An alloy of iron with typically a few percent of carbon to improve its strength and fracture resistance compared to iron.
- Aluminum: A chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, non-magnetic and ductile metal.
- Composite materials: A material made from two or more constituent materials with significantly different physical or chemical properties that, when combined, produce a material with characteristics different from the individual components.
External links
- Medical encyclopedia article on Gas cylinder
- Wikipedia's article - Gas cylinder
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