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Old 09-27-2011, 11:30 AM
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regularguy regularguy is offline
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Join Date: Jul 2003
Location: Seneca, Illinois
Posts: 152
Originally Posted by jvanvliet View Post
I have centrifical pumps (Gould mostly, 1.5 HP & up) sucking (lots of dirty) water for years without wearing down the impellers, some as many as 20 years. I'd wonder what is wearing down your impellers that you need them built up after a couple of years.
The pump is probably ten years old and a couple of years ago I tore it down and had the impellers built back up and replaced the wear rings, at that time it was in pretty rough shape and showed a lot of wear. I had a machine shop do the brass work and I'm not sure that what I did was the best way to do the repair, I always thought that it was a little louder when it ran after that. I guess that I got about 8 years out of the pump when it was new, I thought that was a pretty acceptable life from the pump, I don't utilize a flow meter but my irrigation software calculates water useage based on flow multiplied by time and I usually average about 1.5 million gallons per year, some years more and some less based on the weather.
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