Hydrostatic Testing
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How long is a hydrostatic test good for?
How long is a hydrostatic test good for?
Five years
The DOT does not specify a service life for steel and aluminum cylinders, but the CGA allows for their reuse indefinitely as long as they continue to pass their hydrostatic and visual inspections every five years.
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There is no DOT-recommended service life for steel and aluminum cylinders, but the CGA says they may be employed repeatedly as many times as desired if they pass both hydrostatic and visual examinations every five years. Typically, services in hydrostatic testing are mandated to ensure cylinders that are safe and compliant over time.
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