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Pressure Reducing Valve Sizing
Cv/Kv calculation per IEC 60534-2-1 with valve size recommendation
Water (Liquid)
Air / Gas
Steam
Metric
Imperial
Inlet Pressure P₁
bar
Outlet Pressure P₂
bar
Flow Rate
m³/h
Temperature
°C
Valve Type (FL)
Single Seat Globe — FL = 0.9
Double Seat Globe — FL = 0.85
Butterfly Valve — FL = 0.6
Ball Valve — FL = 0.55
Cage Guided Valve — FL = 0.9
Related Engineering Tools
Cv Value Calculator
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Control Valve Sizing Calculator
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Pressure Drop Calculator
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Flow Rate Calculator
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