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Recent content by Oneup

  1. Oneup

    Peristaltic pump in chemical service

    It is an American Lewa. If you are in the Gulf Coast area, there is a representative in Houston at 713-577-5392. The website: www.americanlewa.com
  2. Oneup

    Peristaltic pump in chemical service

    Thank you all for your input. I have on order a motor driven single diaphragm pump. I will let you know how it works. I will name the brand if anyone wants to know. We have high hopes it will do the job. It will eliminate the mechanical seal, is inexpensive and simple to work on, and the initial...
  3. Oneup

    Peristaltic pump in chemical service

    Yes the materials are corrosive but do not have a lot of solids. The life of the hose is my biggest concern.
  4. Oneup

    Peristaltic pump in chemical service

    I presently have gear pumps in raw material supply to chemical processes. They are very troublesome for a variety of reasons. I have discovered peristaltic pumps and it looks as if they might be a fit. I wonder if anyone has experience with peristaltic pumps in chemical plant service. If so, how...
  5. Oneup

    Low flow rate, run dry, non mag drive pump?

    Is that Pulsafeeder a metering pump or an air powered diaphram pump?
  6. Oneup

    Low flow rate, run dry, non mag drive pump?

    Run dry occurs at startup after hydrogen peroxide stands in the pump and lines and converts to oxygen gas. Startups are frequent since this is a batch plant.
  7. Oneup

    Low flow rate, run dry, non mag drive pump?

    Presently have a Eco gear pump in this application with a component seal, a Type 9 John Crane. Flow rate is 1/2 to 1 gpm, psi is 25 to 27. Problem is frequent seal failures. It is succeptable to periodically running dry. Pumping H2O2. Cannot use a mag drive because we cannot add heat. Cannot use...
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