Contact US

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!

*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

Balancing Drum

Balancing Drum

Balancing Drum

A 11th stage pump is running with 10th impellers. In case of adding a last stage impeller, am I have to change the balancing drum ?
Thanks in advance.

RE: Balancing Drum

I would think - Yes - but to be sure why don't you check with the manufacturer.

Naresuan University

RE: Balancing Drum

Has it always run with 10 impellers?  So that the balancing drum might have been initially designed for only 10 impellers, or was it modified along the way by removing an impeller?

Knowing this might have some bearing on the answer.


RE: Balancing Drum

10 impellers were installed at the beginning, but added last impeller due to head requirement. Motor was originally selected on the basis of 10 impellers. I wonder the balancing drum was designed for 10 or 11 ?

RE: Balancing Drum

I'm afraid not having a crystal ball to answer if the unit was desigend for 10 or 11 impellers, you will have to ask the manufacturer or the supplier.

Naresuan University

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! Already a Member? Login


Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close