posssible tank pressure @ 18 psi, shut-off at 50?

Discussion in 'Pumps and Tanks Well Forum & Blog' started by serenityvalley, Jun 24, 2013.

  1. serenityvalley

    serenityvalley New Member

    Jun 24, 2013
    New Mexico
    My captive-air bladder tank is supposed to be 40 psi, with the cuton/off at 40/60, according to the manufacturer.

    The gauge reads cut on at 50, off at 60, and the tank reads 18 psi (by use of tire gauge).

    Is this even possible, or is something not calibrated properly?

    We have low water pressure, but no short-cycling, no water coming out of the tank valve, tank appears to have water in it.

    Thanks for your help.
  2. LLigetfa

    LLigetfa DIYer, not in the trades

    Feb 6, 2011
    Information Technology
    NW Ontario, Canada
    When the water pressure is higher than the precharge, both should read the same.
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  4. valveman

    valveman Moderator Staff Member

    Mar 15, 2006
    Pump Controls Technician
    Lubbock, Texas
    Put 35# of air in the tank and see if it stays.
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