Re: 1/4" copper tubing?

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Mddeming@xxxxxxx 

In a message dated 3/30/07 9:32:46 P.M. Eastern Standard Time, 
tesla@xxxxxxxxxx writes:
   I didn't say that it did. :)
     But I can see why it could have confused the issue instead of
clarifying it.
     What I should have said is "standard pipe is *designated* by the
outside diameter". I was trying to point out that within the same
standard pipe size, the OD remains the same for all pipes, while the
ID changes as the thickness changes. I was trying to correct this
point from the preceding post.
     As you have shown, the OD is of course nowhere near the
"nominal" size. But neither is the ID, except for extremely thick pipe!

-Phil LaBudde


Hi Phil,
I am sitting here with some 1/2" PVC pipe and some 1/2" CPVC pipe, 
and they are nowhere near being the same OD. the CPVC will slide 
loosely inside Schedule 20 CPVC,  and almost fits inside Sch 40. A 
3/4" CPVC pipe is only microscopically larger OD than 1/2" PVC.

Matt D.




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