Re: No grid power available, need low power pressure
Posted by hj on July 01, 2002 at 08:56:55:
In response to Re: No grid power available, need low power pressure
You can figure 1 psi for every 2 feet of elevation. Choose a pump based on its power demands since a high efficiency pump will use less power for the same output of water. If the tanks are going to be unpressurized then you will need pumps for both the filling and the drawdown.

: We have 10 acres that firstly will be used for in ground nursery stock.
: A well will be be dug soon.
: We will have solar panals to:
: 1. run pump
: 2. run an irrigation timer
: 3. open and close valves on the system
: It is a long narrow parcel approx. 308' wide and 1600 ' long with about a max 10-15' grade from the lowest point of the property.
: What would be the water pressure on a 5000 gallon storage tank without a back up pump for pressure? I will have 2 5000 gal.tanks,set on the ground at the highest point.
: Would you suggest a low volume pump(less power needed to fill the tank during the sun light hours, and a supplimental pressure tank at my watering times to pressurize? I believe that I will be able to use low pressure drippers on each system.
: I will need at least 15 psi to open the valves.

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