Ratio of Flange OD to Pipe Size

[NewPiping]

Could anyone please advise what is the approximate ratio of flange OD to the pipe of the same diameter? Thanks in advance.

 

[nickelkid]

What is the flange rating?

 

[BigInch]

http://www.engineeringtoolbox.com/piping-tubing-systems-t_6.html

"Make everything as simple as possible, but not simpler." - Albert Einstein (1879-1955)
***************

http://virtualpipeline.spaces.live.com/

 

[pennpiper]

Dear "NewPiping" you sound like a novice. It that correct?
If so then you need to read the information noted by "BigInch" in the link he provided.
You also should go to

http://www.pipingdesigners.com

and read ALL the information you find there under the buttons (TIPS, TOOLS, TRAINING, STANDARDS & FORUM) at the top of the screen.

You will learn a lot.

 

[pennpiper]

An after thought:

The "Ratio of Flange OD to Pipe Size" has nothing to do with anything.

 

[NewPiping]

Yes. I am still very new. I would like to know if eg. a 3" pipe connecting to 3" WN flange. The O.D is bigger than 3" pipe but is there a standard to determine the O.D of flange required. Regardless of the rating?

 

[pennpiper]

Step 1 read this:

http://www.scsenergy.com/scsdataflgrating.htm

Step 2 read all of this

http://www.texasflange.com/Dimensioncutsheet.htm