flow rate

What is Critical Flow Factor (Cf)

What is Critical Flow Factor (Cf)?

What is Critical Flow Factor (Cf)? Critical Flow Factor, often referred to as “Cf” is a coefficient that defines how pressure will recover after it drops to its lowest point inside the control valve. This lowest point is also referred to as the vena contracta*. All globe-style control valves have a Cf that stays consistent regardless of
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