Leakage Test (Water Test) of UPVC Pipeline

I spent half a life-time dealing with the transportation of fluids, in pipes and other. As far as I know, no leakage is allowed in a pipe line, not even a trace, not even a shadow of a leakage. Nothing... nada. And this goes for any and all diameters and all materials.

"method of preparing and conducting leakage test for UPVC pipe line"

One method is to pass water with water-soluble inorganic dye through pipelines at operational conditions or at pressures 1 bar higher or so.

"the allowable rate of leakage for each diameter"

Easy: it's always zero.

Why would they call it a leakage test if leaks were not the expected result?

I can provide you with the BS table you desire.

Ok, I can't really give you the table, because that's BS. But it's something like this:

For each pipe diamtere beginning with 1/4" the acceptable leakage rate is 2% over the accepted rate for each smaller diamtere. So, the rate for 1/2" pipe would be 2 % more than 1/4". As you can see, the leak rate for 8" pipe is considerably more than for 1/4". Above 8" it's the square of the result of the difference between the rate of 1/4" pipe and the rate of the next larger size.

I hope this clears the matter up for you.

Ok I'll bite, So what would be the allowable amount of leakage for a 1/4 inch line?

Zero?

Correct!

Or, I suppose you could express the rate as 102% less than a 1/2" pipeline?

The excess non-leakage might someday be used to generate HHO when I reveal my invention which I just had evaluated by experts.

The leak tests that I've been required to perform are typically pressure.

Lets look at natural gas as an example. local code (here) requires that a gas line hold 3X the amount of pressure for 10 minutes with zero drop in pressure.

This means just prior to attaching any equipment to the line. All ends (except for the test point) are plugged solid. The test equipment is adapted to the line and the line is then pressurised to code requirements (with air) and held there, to code requirements. There are other types of leak tests but realistically you should be looking at the code requirements where you are.

Soap bubbles drips etc.. are not a means of leak testing. They are a means of identifying the location of a leak. Unless your doing small drain pipes such as under your kitchen sink.

Then WHY IS YOUR TITLE

Re: Leakage Test (Water Test) of UPVC Pipeline

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Good BYE!