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Calculation of diaphragms on distribution of water piping

  • d = diameter of the diaphragm in m
  • D = internal diameter of the pipe in m
  • P1 - P2 = pressure drop to be created in bar (Differential pressure)

The calculation of the diaphragms is carried out from the following relation:

  • Qv = Water flow in m3/s
  • S = Section of the pipe
  • r = Density of water in kg/m3 (depends on the temperature)
  • g = 9.81


One deduces the diameter from the diaphragm (d) by the relation.

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