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MEDSERVICETEC 02-05-2013 12:28 PM

gas piping pressure and leak form
 
where can I find a standard for for a gas line pressure and leakage test

danpik 02-05-2013 01:28 PM

Your supplier can tell you what pressure they supply in your area. As for leak testing the gas companies in my area like to see 3-5 psi on the line. Most times though they just do a dial test for 15 min. If it a new install or a repair then they want the air on it

coupe 02-06-2013 04:32 PM

Quote:

Originally Posted by MEDSERVICETEC (Post 1110191)
where can I find a standard for for a gas line pressure and leakage test

for leakage test, I use Windex or liquid soap on all joints and look for bubbles

joecaption 02-06-2013 04:35 PM

The gas supplyer should be doing the testing and there going to do it for free so it will not go boom.

hvac benny 02-06-2013 10:58 PM

OP should add his location. Here the test is 15 psi for 15 min, but some inspectors want 30 for 30. Every area is different. Soap test only is for final connections, but also needs to be accompanied by a dial test if gas is metered. Also, not all gas suppliers do work on the customers side. Here you need to hire a gas contractor to do any gas work, unless the local authority lets you do your own work. Bottom line, check your local codes and regulations.

danpik 02-07-2013 05:17 AM

Quote:

Originally Posted by joecaption (Post 1111113)
The gas supplyer should be doing the testing and there going to do it for free so it will not go boom.

Not in all areas. In my area we have to show 3-5 PSI on the line for 15 min on new installs and red tags. Turn-ons they do a dial test for 15 min. No supplier here will do the line pressure test.


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