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Vanne types et selection guide

Comparison de vanne types including gate, globe, ball, butterfly, et check valves with selection criteria.

valvetypesselectionCalculatrice

Overview

Engineering reference data for Valve Types and Selection Guide 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

References