Luxfer Gas Cylinders has received questions from cylinder inspectors and users about whether it is necessary to use eddy-current devices to test Luxfer scuba cylinders made from aluminum alloy 6061 (AA6061).
This manual covers three design variants. They differ by the over-torque tolerance of the manual valve. The variants are: original valve, original valve with field upgrade, and current valve with factory upgrade.
Luxfer Gas Cylinders has received an increased number of inquiries about
underwater use of full-wrapped Type 3 carbon composite cylinders. A
Type 3 cylinder is a high-pressure cylinder composed of an all-aluminum
liner fully overwrapped with layers of carbon fiber and fiberglass.