×
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

Need sources for small positive displacement high precesion 5-15ml/mn
2

Need sources for small positive displacement high precesion 5-15ml/mn

Need sources for small positive displacement high precesion 5-15ml/mn

(OP)
These pumps must be highly reliable,continuous,positive displacement,capable of interfacing into a multi-functional control panel that varies pump stroke (feed rates) of all similar pumps that feed caustic,one acid salt @pH appx.2.0,a second acid salt @pH3.5 all of which are monitored before and after feeding into variable boiler feedwaters operating at appx. 15lbs psig.I need an international supplier who would supply thousands of these pumps at manufacturer's prices and trouble-shoot engineering problems as they occur during a plant pilot installation.I need someone who KNOWS how to deal with the reliability and precesion problem!

RE: Need sources for small positive displacement high precesion 5-15ml/mn

Check out Prominent Pumps - they are located just outside of Pittsburgh, PA.  They are a German-owned company (their plant in PA is a manufacturing plant).  Sorry, I don't know their phone number but I'm sure you could find it by doing a simple internet search.

You can interface their pumps to your control system.  They have models that will accept 4-20mA inputs, for example, to control the flowrate.

In my opinon, varying the stroking frequency as opposed to the stroke length is more accurate.

Tim S.

RE: Need sources for small positive displacement high precesion 5-15ml/mn

Another good manufacturer is Lewa (also German).  In states, they can be found at www.amlewa.com. ; Their Ecodos model ("ECOnomical DOSing"... how's that for German marketing!) is a good, reliable, but not too expensive sealless metering pump.

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


Resources

White Paper - Addressing Tooling and Casting Requirements at the Design Stage
Several of the tooling and casting requirements of a part can be addressed at the design stage. If these requirements are not addressed at the design stage, lot of time is spent in design iteration when the design reaches the die caster. These design issues lead to increase in time and cost of production leading to delay in time to market and reduced profits for the organization. Download Now
White Paper - The Other Side of Design for Assembly
Assembly level constraints need to be satisfied before the design can move downstream. This white paper will go through the various assembly level issues, which need to be tackled by various organizations on a regular basis. Know more about DFMPro, a design for assembly software. 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