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Ball Valves Flow Coefficients

Reference data and engineering information about ball valves flow coefficients for piping systems applications.

ballvalvesflowcoefficientsCalculator

Overview

Engineering reference data for Ball Valves Flow Coefficients in piping systems.

Key Formulas

Continuity

A1v1=A2v2A_1 v_1 = A_2 v_2

Mass conservation in pipe flow.

Pressure Drop

ΔP=fLDρv22\Delta P = f \frac{L}{D} \frac{\rho v^2}{2}

Darcy-Weisbach equation.

Pipe Area

A=πD24A = \frac{\pi D^2}{4}

Cross-sectional area of a pipe.

Variables

SymbolDescriptionUnit
DDPipe diameterm
vvFlow velocitym/s
ΔP\Delta PPressure dropPa
ffFriction factor

Data Table

2 rows
Valve Size data
col0
inches
mm

Source: engineeringtoolbox.com

References