×
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

Helium inflatable pipe plug material?

Helium inflatable pipe plug material?

Helium inflatable pipe plug material?

(OP)
I require an inflatable pipe plug for temporary sealing a 1m diameter pipe pressurised with 1 bar Helium at about 350 deg C or lower.  Can someone point me in the right direction for a possible supplier or recommend some materials to use.  Permeability tables of Helium at these temperatures for NRHB, Silicone, PVF etc will help.  What should the inflatable length be to ensure a proper seal?

RE: Helium inflatable pipe plug material?

You can buy inflatable test plugs as a stock item.  

RE: Helium inflatable pipe plug material?

(OP)
We have been using these type of plugs/pipe stoppers from various suppliers for many years, but our regular suppliers do not cater for Helium nor the high temperatures.  A lower temperature may be possible in the sealing region but will require active cooling.

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