FAQs Cylinder Testing

Whatever you need to know about cylinder testing, we can help. Take a look at our frequently asked questions below, if you can’t find the information you are looking for, contact the A‑Gas team.

Frequently asked questions about cylinder testing are listed below, for all other inquiries please contact us Toll Free 1-844-397-4235


How often does a cylinder require retesting?

It is dependent on the type of cylinder and type of service of the cylinder. Most industrial cylinders require testing every 5 years. For further information call us at 800-372-1301.

What type of cylinders does A-Gas Americas retest?

A-Gas is approved to retest 3A, 3AA, 3AL 4B, 4BA, 4BW and tons series containers.

What United States federal agency governs hydrostatic testing?

The United States Department of Transportation (DOT) governs laws and practices used by hydrostatic testing facilities.

What Canadian federal agency governs hydrostatic testing?

Transport Canada (TC) governs laws and practices used when hydrostatic testing TC rated cylinders. All United States required permits would be completed by A-Gas.