Our in-house inspection body is accredited by TPED, UKAS and DOT and ensures that all cylinders are tested impartially and to the highest possible standards. Our fully trained inspectors conduct periodic testing of fire suppression cylinders for Facilities Management and Fires suppression engineers all over the world. Our state-of-the-art equipment is routinely calibrated and verified by independent inspection bodies to ensure our own in-house testing is accurate and effective.
The TPED and DOT accredited standards requires all cylinders to be hydrostatically tested every 3, 5, or 10 years. The time allowed by law is determined by a variety of factors such as the type of material, the gas it contains, its age, and special permits the cylinder may have been manufactured under.
What is a hydrostatic test?
A “hydro test” is an approved way to test the structural integrity of a compressed gas container. It is performed by removing the valve, filling the container with water, and then pressuring the container above its operating limit. The expansion of the cylinder is measured, recorded, and analyzed. If cylinder expands beyond certain limits, the cylinder must be condemned.
How often is a hydro test required?
This depends on the rating of the cylinder and the date it was last tested. The month and year of each hydro test is stamped onto the cylinder between a letter and four numbers identifying the tester.
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