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Thread: low pressure,need help

  1. #1

    Default low pressure,need help

    have 60 lbs of pressure,working 6 heads,can i install 1/2hp motor in line with only 45psi,will this boost my pressue any?

  2. #2
    Moderator valveman's Avatar
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    A HP jet pump can add about 40 PSI to 12 GPM flow. So yes it could help. Are you boosting city water?

  3. #3

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    yes i'm using city water.you say @60psi a1/2hp pump will boost my pressure up more on a 3/4 inch line.

  4. #4
    Moderator valveman's Avatar
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    As long as you are not using more than 12 GPM, the 1/2 HP pump will add 40 PSI to the city pressure. If the city pressure is 20, you will be getting 60 PSI.

  5. #5

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    thank you.i have 60lbs now ,will it bring me up to 70psi?

  6. #6
    Sprinkler Guy Wet_Boots's Avatar
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    You'd be better off trying to rework the sprinklers, like trying smaller nozzles in them, which can make them spray further. A better match as a booster would be a 1/3 horsepower jet pump, but they can be hard to find.

  7. #7
    Moderator valveman's Avatar
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    A 1/2 HP will add 40 PSI to whatever is coming in. 60 coming in, 100 going out, unless you regulate it with something, like a Cycle Stop Valve.

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