Tracer Gas Volume Needed for Testing your Piping

admin — Sun, 18 Jul 2021 08:55:55 +0000

Tracer Gas Volume Needed for Testing your Piping

Tracer Gas Volume

Tracer gas volume calculation is important prior every use of Sniffer for leak detection? Of course each pipe has its own length and diameter. Also, you may need to apply different levels of pressure. The formula to evaluate amount of gas is simple: Gas Amount = π x L x D^2/4 x P, where L is the pipe length, D is piping’s internal diameter, P is applied pressure.

Example:

Let say, you have 100 meter long pipe with 100 mm diameter. You plan to pressurize it by 1 bar pressure. Therefore, you will need 785 liters of at 1 bar pressure.

Few Practical Tips:

In most cases, you do not need to remove all water from tested piping to perform tracer gas leak test.
Take into consideration that a leaking pipe will constantly loose gas.
You can assess tracer gas volume needed by accumulating water drained from the pipe.

The post Tracer Gas Volume Needed for Testing your Piping appeared first on Jacobs.

Advantages of Tracer Leak Detection Technique

admin — Sun, 18 Jul 2021 07:37:45 +0000

Advantages of Tracer Leak Detection Technique

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Sniffer 430 is the ultimate leak detection system for small diameter water pipes. It operates using the tracer leak detection technique. A tracer gas (5% hydrogen and 95% nitrogen mixture) is injected into examined piping (underground, underfloor or other) under small pressure. Afterwards, inspection is performed to detect the area where the gas is escaping from a pinhole, crack or a leaking joint. Leak detection using tracer gas is especially suited for small diameter water lines in houses, gardens, air condition lines and others. Leaks are readily detected deep underground (3-4 meters), under ceramic or wooden floors or under concrete. In some cases, small drillings are performed on concrete to allow better gas passage.

The main advantages of Sniffer 430 system and tracer gas equipment in general compared to acoustic methods are:

Sniffer 430 detects even small leaks that do not produce friction/turbulent flow.
Sniffer 430 is not limited to any type of piping materials (metal, plastic, composite and etc.).
Sniffer 430 can effectively detect leaks even under small pressure levels below 1 bar.

In-home leak detection system Sniffer 430 provides multiple advantages compared to thermal camera inspections. These include:

Sniffer 430 detects real source of leak. Thermal cameras detects hot/cold spots where water accumulated while the real leak source can be at significant distance.
Sniffer 430 leak detection is not limited in wet, high moisture or areas with reflecting ceramic tiles.
Unlike thermal camera, Sniffer 430 detect leaks which are not necessary in eye contact, for example if leaks are located behind kitchen cabinet.

Possible limitations of tracer gas technique are:

You need a tracer gas for examination and pipe should be shut off and pressurized by the gas.
Impractical to test large diameter pipes because of large volumes of gas needed.

To summarize:

Sniffer 430 system is must to have for fast, reliable and accurate leak detection in underground and under slab piping, outdoor and indoor applications!

The post Advantages of Tracer Leak Detection Technique appeared first on Jacobs.