×
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

Reagent pump selection.

Reagent pump selection.

Reagent pump selection.

(OP)
I'm not having any success finding a pump, actually two, that meet the pressure and flow rates I need.

I have to pump a reagent (bleach) into a pressurized line.  The line is at 120psi and I have to flow at 0.2gal/hr(12ml/min).

All the pumps I'm finding/have-tried are not doing the job.  The typical reagent pulse pumps are abysmal.   The pulses are also creating havoc.  I greatly desire a continuous pump.  Most pumps in this low flow range seem to top out around 100psi.

If I need to, to match a pump, I can dilute the reagents up to 10x so those numbers would change up to 2gal/hr(120ml/min).

Any suggestions?

Keith Cress
kcress - http://www.flaminsystems.com

RE: Reagent pump selection.

A gear pump might work, if you're prepared to replace it regularly.

What you need is a really small triplex plunger pump with glass pistons.  I'm not aware that there is such a thing.

You could kluge up a triplex pump using air cylinders and a PLC instead of a crankshaft, I'm sure.



  

Mike Halloran
Pembroke Pines, FL, USA

RE: Reagent pump selection.

If pulsation really screws with your system, you probably should look more in the direction of a rotary PD pump rather than a reciprocating PD pump. Many manufacturers of gear and rotary lobe type pumps for you service.  

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