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How do Luxfer carbon composite cylinders compare with liquid oxygen (LOX) systems?

Luxfer carbon composite cylinders are a profitable, cost-effective alternative to more expensive LOX systems because Luxfer composite cylinders allow you to leverage your existing filling and delivery equipment. Unlike LOX, composite cylinders do not require major investments in equipment and infrastructure. Moreover, since carbon composite cylinders cost less initially than LOX systems, you will recoup your initial investment and start getting your payback in far less time.

Why is Luxfer offering carbon composite cylinder technology for medical oxygen?

Carbon composite cylinder technology provides significant clinical benefits to patients, especially those who are ambulatory. Physicians often encourage ambulation for oxygen patients, and cylinder weight is an important factor in a patient's ability to remain active. Luxfer carbon composite cylinders are the lightest-weight portable oxygen cylinders available in the market today, which makes them an ideal choice for ambulatory patients.

I’d like to blend my own EAN mixtures. Is it all right for me to use Luxfer scuba cylinders for partial-pressure nitrox blending?

In all matters relating to gas-handling, blending and filling, Luxfer defers to CGA, of which Luxfer is a member. Partial-pressure blending with oxygen should be done only by those properly trained to do so safely by a recognized, responsible agency that strictly follows CGA guidelines. Most accidents related to partial-pressure blending have involved people who have not been properly trained.

It’s really important that I have enough pure oxygen in my decompression cylinder when I need to use it after a deep dive. Is it okay to put extra oxygen in my cylinder to make sure that I don’t run out?

DOT regulations (see CFR 49) strictly prohibit over-pressurizing a scuba cylinder containing any kind of gas, but it is particularly dangerous to do so with high oxygen concentrations. The reason is: The higher the pressure and the higher the oxygen concentration, the higher the risk of a fire and explosion if a contaminant is present.