×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Pipe flare dimensionning

Pipe flare dimensionning

Pipe flare dimensionning

(OP)
Hi,

I need to do a 2d drawing of a pipe with a flared end. This is for fabrication....

Can anyone tell me how to properly dimension a Flare on a pipe. Is it done by a note or actual dimensions? What are the rules, standard, etc...


Maybe you can redirect me to a source on information.

Any help is appreciated.

Thank you

RE: Pipe flare dimensionning

engtobe,

The pipe with a flared end would usually be a cold formed lap to be used with a backup flange, like the fabricated lap or flared lap per ASME 31.3 para 306.4.2 which states (b) the outer diameter of the lap shall be within the dimensional tolerances of the corresponding ASME b16.9 lap joint stub end.  (Also see B31.3 Fig 328.5.5 for fabricated laps.)

The pages 15 and 29 of B16.9 have the lap O.D. "G" that corresponds to the raised face diameter of that size pipe  flange.  (Thickness of the lap is required to be at least 95% of the minimum pipe wall thickness, multiplied by the ratio of pipe O.D. divided by the diameter at which the thickness is measured.)  

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources