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Feet of head to PSI conversion

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S Davis
S Davis Member Posts: 491
Anyone have a conversion chart for feet of head to PSI?

Thanks

S Davis


Apex Radiant Heating

Comments

  • Geo_2
    Geo_2 Member Posts: 76
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    psi

    height x .434
  • S Davis
    S Davis Member Posts: 491
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    Pump Head

    What I need is conversions for pump head to PSI and I think you need conversion charts depending on system temp and fluid, glycol etc.

    S Davis


    Apex Radiant Heating
  • hr
    hr Member Posts: 6,106
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    (feet of head Divided by 2.31) x specfic gravity= PSI

    From my Grundfos wallet card.

    hot rod

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  • S Davis
    S Davis Member Posts: 491
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    Thanks

    Thank you thats what I was looking for.

    S Davis


    Apex Radiant Heating
  • Jerry Boulanger_2
    Jerry Boulanger_2 Member Posts: 111
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    Hold the phone!

    The conversion of feet of head to psi IS dependent on the specific gravity of the fluid. The lower the SG, the higher the column of water required to produce 1 psi. This can be critical when using pump head to go to the curve and determine flow. The ASHRAE Applications Handbook has a chart in the chapter on Testing, Adjusting and Balancing.
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