Calculations
Gate valve
Coefficient
Given the flow

Input data

Diameter

Elevation (D2)

Output data

Head loss coefficient (kQ)

k applicable to h = k.U²/2g

Description

Given the valve diameter and the opening rate, calculates the head loss corfficient applied to the equation hf = kQ.Q² ou: Given the flow, the valve diameter and the opening rate, calculates the minor losses.

References

  • AZEVEDO NETTO, J. M. DE. Manual de hidráulica. 9. Ed. São Paulo, Blucher, 2015.