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Old 01-04-2012, 02:47 PM   #1
rancineb
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Default PVC Tubing: High-temp Necessary?

I'm new to home brewing and in the process of building a mash tun. I've read that some people have used a high-temperature PVC tubing for draining the mort. Is this necessary? Most tubing says it can withstand 175 degree temperatures so I assume just normal PVC tubing will be fine. Curious if anyone has any feedback of bad experiences. Thanks!

~Brian



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Old 01-04-2012, 02:57 PM   #2
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Maximum temp for PVC is something like 140 (need citation) CPVC is much higher..

I used CPVC... It seems to work great..



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Old 01-04-2012, 03:17 PM   #3
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Use CPVC.


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Old 01-04-2012, 03:31 PM   #4
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I found this PVC tubing that says it'll work for temperatures up to 175 degrees.

3/8 in. x 10 ft. PVC Tubing-SVIG20 at The Home Depot

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Old 01-04-2012, 04:31 PM   #5
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What do you mean by CPVC? I've found some PVC tubing that says it can be used up to 175 degree.

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Old 01-04-2012, 04:46 PM   #6
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Quote:
Originally Posted by rancineb
What do you mean by CPVC? I've found some PVC tubing that says it can be used up to 175 degree.
Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. Uses include hot and cold water pipe, and industrial liquid handling.

That 170 rated PVC may work but if you accidentally Sparge with water that is 175 it could affect the flavor.. According to wikipedia CPVC is rated to 200
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Old 01-04-2012, 04:47 PM   #7
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Quote:
Originally Posted by rancineb View Post
What do you mean by CPVC? I've found some PVC tubing that says it can be used up to 175 degree.
Are you talking about the flexible clear vinyl tubing for transferring from one container to another or the opaque white/off-white PVC pipe for a manifold?

If the former, I'm not sure how well the clear flexible tubing would work under high temps. It will probably stiffen up after a few uses though.

If the latter, CPVC pipe is safe to use with hot water compared to PVC pipe. CPVC is definitely worth the slight premium to avoid potential chemical leaching and softening.
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Old 01-04-2012, 04:58 PM   #8
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I'm talking about the clear vinyl tubing that I will use to transfer the mort from my mash tun to my pot. Are you saying that you use the stiff CPVC tubing for your mash tun instead of the flexible clear vinyl tubing?

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Old 01-04-2012, 05:00 PM   #9
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BTW, it's wort, not mort.

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Old 01-04-2012, 05:01 PM   #10
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For draining the wort into the kettle, I use a flexible vinyl hose that is rated somewhere in the 175-180 degree range.



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