Sizing – Dwyer Instruments Blog

How Do I Properly Size a Valve?

Melissa Rosentreter — Wed, 24 Jul 2019 12:00:01 +0000

We are often asked what size valves are needed for specific applications. To fully answer this question, I will begin by covering some general terminology: Pressure Drop – The difference in upstream and downstream pressures of the fluid flowing through the valve Critical Flow – The flow has reached the point of being choked. At …

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Control Valve Sizing

Dwyer Instruments — Wed, 23 May 2018 13:00:24 +0000

Control valves are used to change process conditions such as flow, temperature, level, and pH. A complete control system would include a sensor, controller, positioner or current to pressure transducer, and control valve. Globe valves, such as the Dwyer Hi-Flow™ Series, are a common type of control valve. In the example shown, a Hi-Flow™ control valve is …

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Control Valve Actuator Sizing and Valve Action Selection

Dwyer Instruments — Thu, 30 Mar 2017 13:45:54 +0000

Control valves are used to change process conditions such as flow, temperature, level, and pH. A complete control system would include: a sensor, controller, positioner or current to pressure transducer, and control valve. Globe valves, such as the Dwyer Series 2000VA/ 3000WA Hi-Flow™ Control Valve, are a very common type of control valve. The Dwyer …

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