×
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

Gas seal for wastewater?

Gas seal for wastewater?

Gas seal for wastewater?

(OP)

I have more than once seen pumps damaged when, for whatever reason, the seal water system fails at a wastewater facility. I am curious about the viability of nitrogen gas pump seals in that environment. Since such a system can send an alarm well before the nitrogen supply actually runs out, it would seem to solve this problem. But invariably I see water seal systems.
Does anyone have experience with gas seals in this application?
JKM9

RE: Gas seal for wastewater?

I'm spec'ing one out now for a vertical sump pump.  Sure.  There may be some issues depending upon the application.  

Remember that if the N2 source is a bottle that you can have the same situation arise- the bottle pressure drops below the pressure needed for the seal, and oops....

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