What are oxygen cylinders?
This is the oldest method for delivering oxygen. Oxygen is compressed into a steel cylinder under high pressure, often a pressure of about 200 atmospheres. Like liquid oxygen, the concentration of oxygen delivered from cylinders is 100%. Oxygen is stored in large or small cylinders. Large cylinders are very heavy and have to be changed often as the contents are quickly used. Smaller cylinders are therefore emptied more quickly than larger cylinders, but are portable. Smaller aluminum cylinders are also available for portability. When using oxygen-sparing tubes or oxygen-conserving devices, these small cylinders can last for up to 8 hours. The small cylinders are usually used for portability when an oxygen concentrator is the main source of oxygen in the home. What maintenance do oxygen cylinders require? The pressure valves must be checked frequently. When the cylinders are empty, the regulator must be removed and placed on a full cylinder. What about hoses or tubes attached to the oxy
