PVC pipe for steam

gibson

Is it feasible to replace old steel returns on a steam boiler with PVC pipe? Afterall, the PVC can take the heat, it can take the pressure, and it will never rust. It has some insulative properties, too.

Jamie Hall

Hmm...

Well, I've seen CPVC rated at 180 F. Is there some rated at 212? If not, I'd be kind of worried if something bad happened and steam got into a return (Murphy is alive and well, and living in the basement), might you not have a problem?

Anna Conda

http://www.dynalabcorp.com/technical_info_pvc.asp

Max operating temperature of 158F, melting point of 176F... falls a bit short of the 212F needed to create steam at sea level atmospheric. Steam under a pound or two of pressure, falls well short. It could certainly be done, but I wouldn't expect it to last any significant length of time.

Big Ed

What I See ........

......with PVC laying on the concrete floor is a crack.

Edward A. (Ed) Carey_3

After long deliberation

NO

Ed Carey

Jim Farrell

ARE YOU FOR REAL...NO NO NO

You should noteven use copper but some people do...

Steel Pipe allows for expansion and contraction...

Glenn Sossin_2

PVC

PVC Sch40 begins to denature at 140F. Its ability to withstand pressure drops severely as the temperature approaches that number.

It's like a piece of speghetti (sure I spelt that wrong). Its hard until you cook it. It will be come a limp noodle if overheated - useless. Exceptionally bad idea.

Unknown

Jim

Why should copper not ever be used on steam returns ?

Mad Dog!!!!!!!!

Sure...give it a try...................................

your house first. Are you serious? Mad Dog

Weezbo

Step Away From The Purple Primer !

And Leave the Glue alone while you are at it *~/:)

you didn't conceive of this idea in a small closed room ...:) put the lid back on the cans ... the fumes are like the old bathroom tile glue..it doesn't allow you to do your finer thinking...like don't start focusing on brain surgery or anything along those lines while in that room...

all in fun. you wouldn't want to do that with pvc..it would melt and look like a squished macaroni ...maintaining Pitch would be a bugger...

gerry gill

it creates a battery,

its the cathode and anode setup.

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