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Pipe Sizing Tool

Pipe Sizing Tool

Pipe Sizing Tool

(OP)
Is there any pipe sizing tool for the field.  Where you could just attach it to the pipe and it would tell you the size of pipe and schedule?  All I could find is www.pipesizer.com , but the website looks amateur and I am not sure I want to send money without a valid website.  Sometimes it is hard to tell the difference between a 3 and 2-1/2" pipe.  Or how do you measure pipe sizes?  Please, share your wisdom.    

RE: Pipe Sizing Tool

A tape measure? Measure OD, ID?

"Do not worry about your problems with mathematics, I assure you mine are far greater."   
Albert Einstein
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RE: Pipe Sizing Tool

Go to: http://www.newmantools.com/gauge/pr.htm and check out the "Pocket Rocket". It has two scales - one for nominal pipe, and the other for actual diameter.

RE: Pipe Sizing Tool

A cool trick is to take a string and measure the cirfumference and then get the diameter from that (circumferene=PI*Diameter). This is really useful with really big pipe like 30" and up where trying to measure the diameter directly is hard. I am assuming you don't have an open end on the pipe of course. Wall thickness on a closed pipe is not so easy, there are thickness gages out there that measure the pipe wall thickness form the outside of the pipe (they are not Cheap).

RE: Pipe Sizing Tool

I usually try to find a flange... all flanges have the size and rating etched on the side.
When flanges are not available then a piece of string (or wire) as GSTeng said works just fine

saludos.
a.

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