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Thread: Galvanized Pressure Tank Question

  1. #1
    DIY Junior Member muddyriver's Avatar
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    Default Galvanized Pressure Tank Question

    I have around an 80 gallon galvanized pressure tank (about 65 in tall).The water enters at the top of the tank.It is beggining to leak in alot of different places and i need a new one.I cant find anybody who sells them.

    Somebody else recommended putting a blatter tank in to replace it.They also said i would have to pull the pump and put the check valve in the well.This well is 160 feet deep.Im realy looking for an economical way to fix this problem.Any suggetions would be great.Thanks

  2. #2
    DIYer, not in the trades LLigetfa's Avatar
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    I doubt that the checkvalve would have been removed from the pump but there likely is a bleeder near the top of the well that still requires the pump to be lifted.

    You could always go with a WellMate glass composite hydro-pneumatic tank.

    http://www.wellmate.com/en-US/produc...onnect-series/

  3. #3
    DIY Junior Member muddyriver's Avatar
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    It has a check valve now but its right above the pressure tank not down in the well.

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    DIYer, not in the trades LLigetfa's Avatar
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    A snifter/bleeder system requires a checkvalve at the tank but is does NOT require that the check valve in the pump be removed. Bleeding the line all the way back to the water table can inject too much air on every pump cycle. Normally the bleeder is near the top of the well to only bleed part of the line.

  5. #5
    DIY Junior Member muddyriver's Avatar
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    So your saying theres another check valve down in the well above the pump?So i could switch it over to a bladder tank without pulling the pump?

  6. #6
    DIYer, not in the trades LLigetfa's Avatar
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    I'm saying that I doubt the checkvalve was removed from the pump. You still would have to remove the bleeder that most likely is on the down pipe which would still require you open the well and lift the pump at least enough to get to it. How much effort would depend on whether the pump is hung on iron pipe.

    What I suggested is to keep the existing bleeder/snifter and replace the galvanized tank with a WellMate glass composite hydro-pneumatic tank.

    If you are prepared to lift the pump to remove the bleeder, you could go with a much smaller bladder tank and install a Cycle Stop Valve.

  7. #7
    DIY Junior Member muddyriver's Avatar
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    Do you think the hp 18 would be a good mach or would you suggest a different one?

  8. #8
    DIYer, not in the trades LLigetfa's Avatar
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    You haven't described the pump so it's just conjecture whether the existing 80 gallon tank is adequate or overkill. WellMate HP-18 has almost 18 gallons of drawdown at 30/50 PSI.

  9. #9
    DIY Junior Member muddyriver's Avatar
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    I have no way to describe the pump.It was just replaced 2 years ago with a commercial pump that could handle a 160 foot rise,thats all i know.

  10. #10
    General Engineering Contractor ballvalve's Avatar
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    Excuse me, but this is confusion max. Water entering the TOP of a pressure tank?? Unheard of.

    Check valve at that point without a Schrader valve? Without the Schrader or a micronizer, bleeder in the well or not, no air is entering the tank. How about a photo of this conundrum?

  11. #11
    DIYer, not in the trades LLigetfa's Avatar
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    Water can enter the tank from the top if you choose to plumb it that way. Gravity takes over from there and if the checkvalve were to leak, it would leak air instead of water.

    I was going on the assumtion that there is a snifter on or before the checkvalve. Of course it is all conjecture. Often the air volume control quits working and some folks have been known to remove the bleeder/snifter and just manually air up the tank periodically. There's no limit to frugality.

  12. #12
    General Engineering Contractor ballvalve's Avatar
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    Never saw a plain tank with a top port except where they hung it on a little hook to paint it.

  13. #13
    DIYer, not in the trades LLigetfa's Avatar
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    Then your memory is failing you as you participated in the following discussion.
    http://www.terrylove.com/forums/show...tall-questions

  14. #14
    Test, Don't Guess! cacher_chick's Avatar
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    I replaced my galvanized tank with a new one from the local Farm & Fleet store. I chose to do this so that I would not have to pull the pump up to remove the bleeders.

  15. #15
    General Engineering Contractor ballvalve's Avatar
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    Quote Originally Posted by LLigetfa View Post
    Then your memory is failing you as you participated in the following discussion.
    http://www.terrylove.com/forums/show...tall-questions
    Must be a good memory as that tank is bottom plumbed as the MFG. insists. That is not a 'port' in the top, thats a manufacturers device for fabrication. You could put pressure gauges in any on of those 2 if you so wish. Not a water inlet. Look at the whole picture, its of course plumbed at the bottom. Probably break your snifter if you plumbed in the top too.

    Got a picture of plain tank with a top entry?

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