How much does it cost to hydro test a scuba tank?

Federal Law requires a new hydrostatic test every five years for most SCUBA tanks. AHS will provide this service for $55 per tank and it includes the test, a visual inspection, and an air fill. Hydro with a Nitrox fill is $62. Please note that additional charges may apply if the valve requires cleaning or rebuild.

How do they Hydro test SCUBA tanks?

A hydrostatic test involves pressurising the cylinder to its test pressure (usually 5/3 or 3/2 of the working pressure) and measuring its volume before and after the test. A permanent increase in volume above the tolerated level means the cylinder fails the test and must be permanently removed from service and use.

How much does it cost to hydro test a scuba tank? – Related Questions

How often do SCUBA tanks fail Hydro?

Generally, about 12% of tanks tested, fail the visual test – which reveals damage (both internally and externally) that exceeds the allowable limits. Very few tanks fail the hydrostatic test. It should be noted that most of the internal and external damage on a SCUBA tank is preventable by the user.

How long does a scuba tank Hydro last?

The DOT requires hydrostatic tests for SCUBA tanks every five years. If you’re not sure when the last test was performed, check the outside of the cylinder.

How is a hydrostatic pressure test performed?

It’s performed by filling the system with water, pressurizing it up to a level greater than Maximum Allowable Working Pressure (MAWP), and monitoring for visible and/or measurable leaks during a specified amount of time.

What is the possible injury from hydro testing?

Hazards of Hydro test:

Breaking/failure of line, gasket, flanges, and gauges. 2. Air entrapment inside the pipe.

What is the difference between hydro test and leak test?

Hydrotesting is another pressure testing option where a liquid (usually water) is injected into a pipe system to check for structural flaws permitting leakage. Hydrostatic testing allows the detection of leaks that only become obvious at elevated operating pressures.

How long is a Hydrotest good for?

Aluminum cylinders (not including hoop-wrapped) should be tested every five years. They have an indefinite service life provided they pass hydrostatic testing. Hoop-wrapped cylinders should be tested every three years. Hoop-wrapped cylinders have a 15-year service life.

What is the safe distance with hydro testing?

5.3. For hydrotesting only, a minimum distance of 50 feet should be maintained between facilities that are being tested and any person, whether it be the public or the personnel conducting the test.

What is the most serious hazard about Hydrotest?

The main risk associated with the hydro test, is the rupture of a high-pressure hose, due to deterioration or failure to inspect and connect properly them. There may be a loss of integrity of fittings resulting in damage to people or equipment this is due to flying of accessories used in the test.

How long does it take to hydrotest?

Duration of the test is two hours. Special consideration must also be given when multiple piping products are used.”

How long does hydrostatic pressure test last?

The test pressure should be maintained for a minimum period of 15 minutes and all joints and connections should be inspected for leakage.

What happens to a cylinder if it fails hydrostatic testing?

What happens if the cylinder fails? In the unlikely circumstance that the cylinder fails the hydro test, a test report will be given to the customer and the cylinder must be destroyed.