NAC445A.65525. “Air binding” defined.  


Latest version.
  • “Air binding” means a condition:

         1. In which:

         (a) A pump in suction head accumulates air after the initial priming of the pump, due to the release of gases contained in the water being pumped; and

         (b) The air displaces the water in the pump and causes the pump to lose its prime; or

         2. In which air accumulates in the higher points of a distribution main and reduces the capacity of the main.

     (Added to NAC by Bd. of Health, eff. 2-20-97)