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RoyalWe
LSU Fan
Prairieville, LA
Member since Mar 2018
527 posts

Natural Gas Line Testing and Use
I’ve got a 1/2 inch natural gas line on my back porch from the house with a ball valve and cap on the end of the nipple. I’m looking to fit it with quick connects to be able to swap to either a natural gas grill or a portable generator. The gas regulator for the generator conversion kit says it can take a maximum supply pressure of “8 oz” (which I assume is 8 oz/in^2 or 1/2 psig). I have no idea what the supply pressure might be of my 1/2 inch line. I was going to buy a gauge to check and then hope I don’t have to regulate it down before it gets to the generator regulator. Any ideas or tips here? Any thoughts on what pressure I might expect? Is there a standard here?

Thanks!


fishfighter
LSU Fan
Baton Rouge
Member since Apr 2008
33686 posts

re: Natural Gas Line Testing and Use
Call the gas company that supply you to find out what pressure they set their meters at.


Ashtray
LSU Fan
La
Member since Apr 2017
97 posts

re: Natural Gas Line Testing and Use
I have nearly the same setup, you wont have any issues with pressure. If anything you may have issues with not enough volume to supply your generator if your line is a long run from your house gas meter. Most of those gen set conversion kits have a table showing pipe size for length of run to the generator. Mine was just over the spec where they recommend 3/4 inch pipe to deliver the volume, but the 1/2 line runs my 5KW just fine on full load


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Clames
LSU Fan
Member since Oct 2010
10321 posts
 Online 

re: Natural Gas Line Testing and Use
You can build a simple pressure test gauge setup with hardware store fittings but the toughest part is finding a gauge with the resolution you need. You'll need a low pressure gauge, 0 - 20psi. I built my own several years ago with some iron pipe fittings.


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