|Posted by hj on July 14, 2004 at 09:40:00:|
|In response to Re: fire sprinklers|
Fire systems and heating systems are both "closed" systems with no water added once they are filled, unless there is a leak. Therefore, without the continual exposure to "fresh" oxygen, those systems do not deteriorate in the presence of water. A domestic water system is always adding fresh water to the system so black pipe would be subject to rusting and premature failure.
: : :I believe fire sprinkler systems are done with black pipe, not galv. If I am wrong on this I am sure Sylvan will straighten me out. And for that matter, if I am correct, I don't actually know the reason. He could help me out.
: That's true and we use black on hot water boiler piping. LonnythePlumber
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