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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Product Notice | Updates and New Code for E-LO Control Valve: MXC

MXA Upgraded to MXC In accordance with our mission to make a difference in the lives of those we serve, we continually use customer feedback to make strategic improvements to our products. This notice is to inform you that we have made the following updates to the E-LO Electric Low Pressure Control Valve. Added a
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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 Cavitation?

What is Cavitation?

Cavitation is the formation and collapse of air or gas bubbles in a liquid. The bubbles are formed when liquid undergoes a rapid change of pressure and falls below the vapor pressure. They collapse when the pressure recovers. This can all happen in a very short span just after the vena contracta—the point in the valve
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Sand Issues in the United States

Flowback Sand Across the United States

The Impact of Flowback Sand In a previous blog post, we provided a quick guide for flowback and its role in the oil and gas industry. For example, one of the main components of flowback is the sand that mixes into the crude oil, natural gas, and water. Though unavoidable, sandy flowback can significantly slow
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