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Thread: Pump for lawn sprinklers

  1. #1

    Pump for lawn sprinklers

    I would like to use water from a lake to water my yard. I have 15 Rain Bird sprinklers. The highest are 86' above the pump & the pump is sometimes 20' above the water. I plan to use 1 1/2" pipe to the yard & 3.4" to the sprinklers. Can I do this with a self priming pump, if so what size, or do I need to use a submersible pump? If I need a submersible pump, would a deep well pump be best for this? Any help will be appreciated.

  2. #2
    Pump guy speedbump's Avatar
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    I will need to know the amount of water these sprinklers use when watering. Otherwise I can't size a pump. A deep well jet is out of the question.

    If I can assume that 86 feet is the highest vertical distance, the selp priming centrifugal will lose 37 psi of it's 50 psi max just to get the water up the hill, so It's out of the question too.

    The sub is what is left.

    bob...


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  3. #3
    The sprinklers use about 6gpm/25psi

  4. #4
    Is a submersible pump made for this purpose or do I need to use a deep well submersible pump?

  5. #5
    Pump guy speedbump's Avatar
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    The deep well and submersible are the same thing.

    The 1/2hp is the smallest pump you can get and will do more than you are looking for. Nine gallons per minute at 40 psi. with your 86 foot lift.

    bob...


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