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Pressure Ratings

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Pressure Ratings

Unread postAuthor: Modderxtrordanare » Tue Apr 03, 2007 1:12 pm

If a piece of pipe is rated to "NSF 61" does that mean its rated to a max of 61 PSI?

Because I found a cool schedule 40 fitting, and I cant find what it's rated to. I would think it'd be rated like any other sch40 fitting.
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 03, 2007 1:14 pm

Not at all related to pressure, it just means it complies to this standard - so basically, your piece of pipe is safe to drink out of :wink:
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Unread postAuthor: willarddaniels » Tue Apr 03, 2007 1:28 pm

http://www.contractormag.com/articles/1298/cplumb.asp
This website was the first site Google recommended when searching for "nsf 61"
research research
This site explains in a whole lot more words what jackssmirkingrevenge so very well summarized.
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Unread postAuthor: Modderxtrordanare » Tue Apr 03, 2007 2:32 pm

So should I just go ahead and get the fitting? It's sch40, and that is a basis on how thick the pipe walls are. I would assume that it is rated just the same as any other sch40 fitting.
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Unread postAuthor: hi » Tue Apr 03, 2007 5:00 pm

if its sch 40 pvc, yes go ahead, it wont do any harm to anything.
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Unread postAuthor: frankrede » Tue Apr 03, 2007 9:40 pm

hi wrote:if its sch 40 pvc, yes go ahead, it wont do any harm to anything.
Wrong.
Sch-40 means nothing.
No pressure rating means no pressure.
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Unread postAuthor: Modderxtrordanare » Tue Apr 03, 2007 10:43 pm

Well it's clear pipe, that's why there arent any words on it. No words = No idea if it's rated or not.
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 03, 2007 10:50 pm

It's probably safe to use as a combustion chamber or as a barrel but I wouldn't trust it as a pressure chamber for a pneumatic.
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Unread postAuthor: Modderxtrordanare » Tue Apr 03, 2007 10:53 pm

It actually was for a pneumatic. :oops:
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 03, 2007 10:55 pm

Trust me, you'll get a lot more buzz with clear pipe if you use it for a combustion :wink:
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Unread postAuthor: noname » Tue Apr 03, 2007 10:58 pm

frankrede wrote:No pressure rating means no pressure.

I have yet to see a pressure rating on any PVC fitting, and everyone uses 'em.
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Unread postAuthor: SpudMonster » Tue Apr 03, 2007 11:01 pm

NSF-PW and NSF-61 fittings are both perfectly safe to use in pressure applications. Your fitting is absolutley safe to use in a pneumatic or a combustion. (I would recommend the combustion)
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Unread postAuthor: MrCrowley » Tue Apr 03, 2007 11:35 pm

noname wrote:
frankrede wrote:No pressure rating means no pressure.

I have yet to see a pressure rating on any PVC fitting, and everyone uses 'em.


We have ratings on our fittings down here in NZ and Aussie*


* I assume as we use the same pipe
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Unread postAuthor: frankrede » Wed Apr 04, 2007 12:24 am

I have yet to see a piece of pressure rated pipe of fitting that doesn't have atleast nsf-pw or a pressure rating.
My fittings have nsf-pw and my pipe has nsf-pw and a pressure.
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