critical flow

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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What is Valve Flow Coefficient (Cv)?

What is Valve Flow Coefficient (Cv)? Valve Flow Coefficient (Cv) is a valve’s capacity for a liquid or gas to flow through it. It is technically defined as “the volume of water at 60°F (in US gallons) that will flow through a valve per minute with a pressure drop of 1 psi across the valve.”
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