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  #41  
Old 10-12-2011, 09:39 AM
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FIMCO-MEISTER FIMCO-MEISTER is offline
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Just for curiosity sake (remember I'm not a well man) why is a second pump strictly for the irrigation out of the question? Cost? Space?
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  #42  
Old 10-12-2011, 11:02 AM
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Mike Leary Mike Leary is offline
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Quote:
Originally Posted by FIMCO-MEISTER View Post
Just for curiosity sake (remember I'm not a well man) why is a second pump strictly for the irrigation out of the question? Cost? Space?
Well, I, for one, would install two pumps so as to have high pressure for irri and low for household.
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  #43  
Old 10-12-2011, 11:09 AM
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Wet_Boots Wet_Boots is offline
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If he has an air break before the irrigation storage tank, it would follow that a second pump would be drawing from the tank, just for the irrigation.
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  #44  
Old 10-12-2011, 03:20 PM
txirrigation txirrigation is offline
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Well will refill at 15-17 gpm. I am limiting the refill flow to the irrigtion tank to 6 so the fresh tank will refill faster than the irrigation tank. That way during holidays when each house is full of people the fresh water will always be ready.

There will be two pumps, one for fresh and one for irrigation. The pumps will also have thier own supply tanks.
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  #45  
Old 10-12-2011, 03:23 PM
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Is the domestic use more than the 15-17 gpm can handle?
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  #46  
Old 10-12-2011, 03:38 PM
txirrigation txirrigation is offline
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Originally Posted by Wet_Boots View Post
Is the domestic use more than the 15-17 gpm can handle?
No. But that is assuming the irrigation storage tank is not refilling.
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  #47  
Old 10-12-2011, 04:00 PM
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Originally Posted by txirrigation View Post
No. But that is assuming the irrigation storage tank is not refilling.
That is the idea behind a pressure-sustaining valve. It only is open when the upstream pressure is above a certain point, so the domestic side never gets starved for water.

From what you describe, you only need an air-break-fed tank for the irrigation. Maybe some additional pressure-tank capacity on the original well, for the benefit of domestic use.
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  #48  
Old 10-12-2011, 08:43 PM
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Umm, a solid design would impress me. I'd like to see it.

draftingtables.com
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