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Country Discussion Topics
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Out of date gas piping
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deadcarp    Posted 07-09-2004 at 17:44:46       [Reply]  [No Email]
When i was a builder (20 years ago), we were only allowed to use black iron (& teflon tape) or flared copper for gas lines. Now they use CSST, yellow plastic, even galvanized. Is my thinking that outa date? :)

Clod    Posted 07-09-2004 at 18:02:49       [Reply]  [No Email]
They allow PVC in some places..That surprised me to learn it can be used for gas. Oh galvanized? It is longer lasting than black iron pipe. We used it al our life for gas lines..NEVER NEVER use black iron for water pipe.It rust everything. Black iron pipe is not protected fron corrosion.If I have a choice I will use gavalnized for gas/ air lines .. But folks use black iron in Gas ,water because it is CHEAPER.

deadcarp    Posted 07-09-2004 at 18:11:28       [Reply]  [No Email]
Well i know galvanized releases bad stuff if welded - my buddy wilmes was a blacksmith and blames those odd quickie galvanized welding jobs for having to use oxygen now. My cousin welded, (some galvanized) and he has lung troubles now too. :)

Clod    Posted 07-09-2004 at 18:33:45       [Reply]  [No Email]
Yes,, I wondered about that in water myself DC.. I think the water coats the lines in a short time..Thats my guess though,,Never drink right out of a newly install galvanized line though..Oh yes..These expert welders here run when they see galvanized iron..So I weld that myself..They are a very timid group.Yes,,I had that galvanize illnes.. You drink lots of milk..But when I grew up. You didnt refuse to do anything they called for on a job.I guess that is why I have more trouble in x ray rooms. They have to ask me which are new breaks and which are old breaks. You are the Marine..Are you going to let a Navy or Army guy do the galvanized work???? Now,., Thats more like it!

Doc    Posted 07-09-2004 at 20:59:17       [Reply]  [No Email]
The reason galvenized was not allowed is because it can flake off on the inside from ageing. I'm suprised to hear it is being used. Perhaps it is a homeowner job done by someone that does not know better. We are only allowed black with teflon or copper as stated above.

Know of a homeowner who once ran a line from the well head on his property right into his house with out even a Big Joe on it not to mention a little Joe. We caught him before he actually plumbed into any of his appliances. He had 400 pounds of gas pressure running into his house. Yikes! He'd have been toast for sure.

Randy    Posted 01-04-2005 at 17:58:28       [Reply]  [Send Email]
The old galvanized pipe was hot dipped and could not be used for gas because it would flake and plug orfices. The newer (30 yrs or so) galvanized pipe is electroplated and can be used for gas

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