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Thread: 1'' polypipe as the drop pipe

  1. #1
    DIY Member luc's Avatar
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    Default 1'' polypipe as the drop pipe

    Hello everyone,

    Just want to know if it is good practice to use 1'' polypipe as the drop pipe in wells with 3 HP or 5 HP submersible pumps.

    Thanks,
    Luc

  2. #2
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    That be a bit much HP to be setting on Poly

  3. #3
    DIY Member luc's Avatar
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    What is usuallly used for drop pipe on 3 to 5 hp pumps?

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    PVC, or Galvanized. I hate Galvanized though because it rusts

  5. #5
    DIY Member luc's Avatar
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    Thanks Peter for replying.

    Quote Originally Posted by Peter Griffin View Post
    PVC, or Galvanized. I hate Galvanized though because it rusts
    I read on a previous post that even PVC was not reccomended for pumps greater then 2 HP!!!!

    Luc

  6. #6
    General Engineering Contractor ballvalve's Avatar
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    Schedule 80 pvc with the SS couplers should hang 5hp dependant on depth. I would email the pipes MFG and not take the point here. I have 3HP on 200psi poly @200 feet, but you must use long,drawn brass fittings with three to 4 real clamps with a sae torque rating. You would have to also heat to insert the pipe on the fittings using the MFGR's instructions, not the local barefoot plumbers torch method. I woulod also reheat the pipe the next day and retorgue the clamps before setting. If using a 5 hp pump a slow start would solve all torque issues.

  7. #7
    DIY Member luc's Avatar
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    Thanks ballvale for replying. It answers my question.

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