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cv ratings

smoore Member Posts: 28
does the larger the cv rating mean the valve is more restictive or less? can anyone explain these to me.


  • DWood
    DWood Member Posts: 60

    the higher the Cv rating the less restrictive the vavle is. Cv is defined as the number of gallons of water that can flow through the valve with a 1 psi pressure drop. or Cv = # gpm divided by the square root of delta p in psi.
    Hope it helps
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