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...
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...
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.
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...
