Understanding Pressure Drop in Valves: A Visual Guide

PRESSURE DROP/FLOW RATE DIAGRAM – BALL VALVE

PRESSURE DROP ΔP DIAGRAM – CHOKE VALVE ( Butterfly valve)

PRESSURE DROP ΔP DIAGRAM – FOOT VALVE ( Bottom valve)

PRESSURE DROP ΔP DIAGRAM – BRASS CHECK VALVE

PRESSURE DROP ΔP DIAGRAM – FLANGED CHECK VALVE IN CAST IRON

PRESSURE DROP IN EQUIVALENT LENGTH OF PIPE IN METRES OF GALVANISED STEEL PIPE