Tightness testing is carried out to ensure that the industrial and commercial gas pipework is safe for use, or continued use, so as not to cause a hazard or unsafe situation. Tightness testing for all gas pipework installations is carried out at operating pressure.
In a new gas pipework installation, the test is to verify that, within tolerances caused by the finite time for testing and the accuracy of instruments used, pipework is nominally gas tight.
On existing gas pipe work installations, the test is to verify that, within the same above tolerances, the pipe work is gas tight, within acceptable defined limits.
Tightness Testing new industrial and commercial gas pipe work will be designed to withstand a strength test pressure (STP) to identify any major flaw in the construction of the new gas installation pipe work, prior to carrying out a tightness test.
A strength test shall be carried out on any new industrial and commercial gas pipework installations or extensions to existing commercail gas pipework installations.
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solutions that utilise the latest design and engineering technologies.
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