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 Schedule 20 water pipe
Author: Pipe User (FL)

Our Gulf Coast canal community of 320 homes was developed about 30 years ago. Most of the building sites were filled to be 12 feet above mean low water.

We are experiencing a lot of breakage/leaks in our irrigation lines, and in the potable water service lines. Does the Schedule 20 pipe manufactured 30 years ago become brittle or inflexible? Suggestions??

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 Re: Schedule 20 water pipe
Author: hj (AZ)

It is too thin to have EVER been used for anything other than "downstream" irrigation lines.

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 Re: Schedule 20 water pipe
Author: stuckinlodi (MO)

Sch 20 on the left, Sch 40 on the right:





[best-inspection.com]



Edited 2 times.

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 Re: Schedule 20 water pipe
Author: hj (AZ)

PLus what happens when it receives a little stress/tension from the ground settling?

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 Re: Schedule 20 water pipe
Author: stuckinlodi (MO)

Plus any UV/strong sunlight exposure it got for weeks while waiting to be buried. PVC does not react well to sunlight unless it has had UV inhibitors added.

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 Re: Schedule 20 water pipe
Author: PlumberLoren (CA)

To StuckinLodi. Excellent way to illustrate the strength and weakness of PVC. We used a lot of Schedule 80 at the local Nuclear Power Plant a few years back. It is good stuff. But I would not use Schedule 20 on anything.

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