Priming a shallow pump on a driven well with a check valve

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by rslaback, Oct 11, 2020.

  1. rslaback

    rslaback New Member

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    Aug 21, 2020
    Location:
    Westcentral WI
    Today I just got done driving a sand point into the ground at a property I have near my lake subdivision home. Water is about 15' below ground and the soil is pretty much 100% sand. My state of Wisconsin puts out a pamphlet on driving well points and I have basically mirrored one of their examples.

    After getting everything hooked up I am having problems priming the pump. Since I am required to install a check valve I had some concerns about being able to get the suction line filled with water. I originally had hoped to prime the suction line by dumping water down the pipe and then quickly installing the state required cap. However the flow of the slotted point into the sand is so good that it takes the water as quickly as I can pour it.

    I can obviously use the prime port on the pump to fill the pump casing and to the check valve but how do I prime the system from the check valve down to the water table?
     

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  2. valveman

    valveman Cary Austin Staff Member

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    Pump Controls Technician
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    Lubbock, Texas
    I would put the check valve under the tee. The closer it is to the sand point the better. Also, if the sand point is not driven deep enough to seal the area above the slots it will never prime.
     
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  4. Reach4

    Reach4 Well-Known Member

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    Doesn't the pump need to be "self priming"? Are they pretty much all called that these days?
     
  5. valveman

    valveman Cary Austin Staff Member

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    I don't like self primers. They only self prime when there is no pressure in the system anyway. You may have to prime it a time or two before it sucks water up from the sand point, but you would a self primer as well.
     
  6. Reach4

    Reach4 Well-Known Member

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    Location:
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    It's going to have to suck some air anyway. Self priming sounds like a good feature, but I know that features can have misleading names.

    A vacuum pump sounds like a useful tool to get a shallow well going.
     
  7. valveman

    valveman Cary Austin Staff Member

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    Pump Controls Technician
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    Lubbock, Texas
    Jet pumps will suck a little air. Just keep priming until you get the air out.
     
  8. rslaback

    rslaback New Member

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    Aug 21, 2020
    Location:
    Westcentral WI
    I would assume the slot area should be sealed. There is 7.5' of pipe above the point section that is full of water.

    I'm currently trying to get my A/C vacuum pump hooked up to the prime port of the pump in hopes of using it to pull the initial water up the well.
     
  9. rslaback

    rslaback New Member

    Joined:
    Aug 21, 2020
    Location:
    Westcentral WI
    Worked. Like. A. Charm.
     

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    Reach4 likes this.
  10. valveman

    valveman Cary Austin Staff Member

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    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
    Cool. But not everybody has a vacuum pump. A shop vac will work as well.
     
  11. Reach4

    Reach4 Well-Known Member

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    LLigetfa likes this.
  12. rslaback

    rslaback New Member

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    Aug 21, 2020
    Location:
    Westcentral WI
    They should.
     
  13. Chucky_ott

    Chucky_ott Member

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    Apr 13, 2018
    Location:
    Ontario
    Yes. I wanted to buy one for veneering but never could justify the cost. I could justify one for priming my jet pump too.

    Actually, was thinking of getting a Guzzler hand pump for priming. They're apparently great for that purpose.
     
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