How do I test my scuba tank?

How long does it take to hydro test a scuba tank?

The tank is then pressurized to 5/3 of its normal pressure, which is found stamped on the cylinder. For 30 seconds the tank is pressurized, causing it to inflate and displace water from the chamber into the burette. The amount of water spilled is recorded as the total expansion.

Does a new scuba tank need to be inspected?

This annual inspection is not required by law, but it is considered to be an industry standard. Most dive shops will not perform air fills without a sticker that displays that your inspection is current. Tomorrow’s article will discuss the inspection that is required by law: hydrostatic tank testing.

How much does a hydrostatic test cost?

The cost of hydrostatic testing usually depends on the extent of the plumbing system being inspected. Most hydrostatic tests cost between $250 to $500. Bigger plumbing systems can cost thousands of dollars to be inspected.

How much does it cost to inspect 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.

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How long do scuba tanks last?

Based on personal experience, an average open water certified diver using a standard aluminum 80-cubic-foot tank on a 40-foot dive will be able to stay down for about 45 minutes before surfacing with a safe reserve of air.

How many times can you Hydro a scuba tank?

How often do my tanks need to be tested? The DOT mandates a new hydrostatic test every 5 years after the initial test, some special tanks are 3 years hydro tests. Visual inspections are required yearly on scuba cylinders.

How do you maintain a scuba tank?


  1. Always block or secure your tank so it can’t fall over easily or roll around, which can damage it, other equipment or you.
  2. Besides rinsing your cylinder and valve with fresh water and storing it in a cool place, don’t allow it to completely empty – always store it with air inside to keep moisture out.

How long does it take to do a hydrostatic test?

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

When should you get a hydrostatic test?

Hydro tests are often required after shutdowns and repairs in order to validate that equipment will operate under desired conditions once returned to service. Furthermore, hydrostatic testing cannot be performed during normal operations and cannot monitor equipment for leaks after the test has been performed.

Is a hydrostatic test mandatory?

Federal regulations mandate that a pipeline system be hydrostatically tested before initial operation begins. California law mandates that each pipeline system be tested at least every five years by an independent third-party approved by the Office of the State Fire Marshal (OSFM). …

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