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Re: [TowerTalk] Sourcing PVC

To: "Art Greenberg" <art@artg.tv>
Subject: Re: [TowerTalk] Sourcing PVC
From: "Rick Karlquist" <richard@karlquist.com>
Reply-to: richard@karlquist.com
Date: Thu, 11 Jul 2013 08:37:18 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Art Greenberg wrote:

> easier to find. You can find IPS pipe in thinner wall than Schedule 40.
> Pipes maked SDR-xx (except for the SDR-35) are IPS sizes. The larger the
> number, the thinner the wall. Check with a local plumbing or irrigation
> supply for SDR-41 or SDR-61 (the later having almost the same wall
> thickness as 2729 pipe).

Check out Horizon Irrigation's web site:

http://www.horizononline.com

They carry the SDR series.  This is important in the 4 inch IPS (which is
actually 4.5 inch OD) because the thinner wall SDR has an ID slightly over
4 inches while the schedule 40 has an ID slightly under 4 inches.
If you want to slide 4 inch OD irrigation pipe inside 4 inch IPS PVC
pipe, it has to be the SDR type.  (Note, this only applies to the
4 inch size.  Schedule 40 is fine for 2 and 3 inch PVC).

Another supplier for exotic pipe is Ferguson:

http://www.ferguson.com

Rick N6RK

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