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27.2.2.4.1
Pressures at hydraulic junction points shall balance within 0.5 psi (0.03 bar).
27.2.2.4.2
The highest pressure at the junction point, and the total flows as adjusted, shall be carried into the calculations.
27.2.2.4.3
Pressure balancing shall be permitted through the use of a K-factor developed for branch lines or portions of systems using the formula in 27.2.2.5.

Related Code Sections

23.4.2.4.3 Plans and Calculations,
Pressure balancing shall be permitted through the use of a K-factor developed for branch lines or portions of systems using the formula in 23.4.2.5 ...