I sell Wilden Pumps so judge what I say with a bias.
Here is what I would use to evaluate which pump is better if I were you:
1. Longevity and reliability of the product. - Does it last as long as the manufacturer says it will? Ofcourse if its misapplied then that's not a fair comparison, but...
As far as operating efficiently lately I have seen a real big push towards using VFD's to control systems with a big benefit in energy efficiency. If you aren't familiar with VFD's I'll give you a quick summary: VFD= Variable Frequency Drive. In essence its an electrical device placed between...
Replying to the first post by tbedford. My experience with closed sysytems is limited but I have run across them a few times and here is what I have learned. It's been my experience that people who design closed loop systems often choose a pump that is over sized especially considering the head...
Here are a few thing to do to prevent Vortexing. And remember that vortexing is caused by inlet velocity so anything you can do to minimise inlet velocity will help.
These suggestions were obtained at http://www.mcnallyinstitute.com/14-html/14-12.htm
* Place a cone under the bell.
*...
This may not be exactly what your looking for but I bet a quick call the the manufacturer might leed to some better information.
http://www.typhoonprocess.com/downloads/5076%20WIL%20CUT%20Typhoon%20Mixer.pdf
Good Luck!
Whieber
Walter Hieber
PIB, INC. - http://www.thepumpbox.com
I have a bunch of links and am trying to continue adding links to my site for people with hydraulic questions at my site.
Here is the link:
http://thepumpbox.com/links.php?lPath=7
If others of you out there have links that you recommend please feel free to add to the list. I'm going to add the...
I have setup several Goulds PumpSmart devices and they do exactly what your looking for(Chaining multiple pumps to VFD's). One of the biggest advantages is cost cutting in energy consuption and having complete control of the application as well as a bunch of pump protection logics to prevent...
