Wednesday, February 21, 2018

What You Need To Know About Hydrostatic Pipeline Testing

June 21, 2016 by  
Filed under Business

Public safety is the first priority in the pipeline industry. This is for the reason that each day, pipelines operates underneath our feet with most people not conscious of it. To ensure public safety, the major concern altogether aims at maintained pipeline integrity. In protecting such integrity, hydrostatic pipeline testing is one process of management that is applied. This process entails around the clock monitoring and maintenance, and a sophisticated inspection and leak detection processes.

Hydrostatic testing is a process that involves filling the pipelines with a liquid commonly water, and pressurizing them at a high level that goes beyond the normal operation pressure. This process ensures that the pipes are defect free. This kind of testing is not only limited to pipelines but is also used to test for leaks and the strength of gas cylinders, plumbing, fuel tanks and boilers.

While performing the test, a measure of pressure tightness is taken through the closing of supply valves, then examining for any loss in pressure. For a simple detection of the leaks, a colored liquid becomes a bit better to use. By taking a measure from the vessel of permanent deformation, one is at a position to measure the containers strength. By this method of testing, vessel durability and safety standards are maintained ultimately. Altogether, fresh vessels are generally originally qualified by means of a hydrostatic test.

This kind of test used to establish and verify pipeline integrity has been in use for quite a number of years. In this test procedure, a variety of flaws are detected. A few of the flaws include active cells corrosion, localized hard spot, actual pipeline mechanical properties as well as stress corrosion cracking and material defects that could result in failure given the presence of hydrogen. This test is typically significant in nondestructive pipelines assessment with the application of the right test pressure and used to attain the necessary results judiciously.

Usually, pipelines are designed to thrive under maximum pressure and require to be tested in order to make sure that they are structurally good and can endure internal pressure before usage. For example, gas pipelines are hydro-tested ahead of service. A part of the pipelines is filled with pressure and water is pumped to a value that is very high exceeding maximum operating pressure. This pressure is normally held for a certain time within four to eight hours.

Usually, this testing is normally safe and is an accepted approach for testing pipelines. In case the pipelines fail during the test, there is usually, large water leaks. Although the leakage may cause some flooding, plans are usually put in place together with a repair team.

Prior to any testing, extensive planning to minimize any inconveniences to customers and the neighborhood is carried out. Nevertheless, depending on the location of gas venting and weather, one may smell gas. Such situations are usually safe.

After the test is carried out, any contaminant in the water used is normally filtered of, before being drained from the pipes. Once the water is tested and found to be clean it can be released by permit into a sewer system or an open field.

You can get a detailed overview of the reasons why you should use hydrostatic pipeline testing services at right now.

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