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Valve Characteristics – Quick Opening, Linear & Equal Percentage

S Bharadwaj Reddy
In essence a valve simply functions as a restriction in a flow line, with flow areas A1 and A2 and pressure differential p1 – p2, as shown in Below Figure. Valve Characteristics...

Inherent vs Installed Control Valve Flow Characteristics

S Bharadwaj Reddy
What is inherent characteristic of a valve ? The inherent characteristic of a valve is the characteristic published by the manufacturer, based on tests performed in a system where great care...

Control Valve Performance with Constant Pressure

S Bharadwaj Reddy
First, let us imagine a control valve installed at the base of a dam, releasing water from the reservoir. Given a constant height of water in the reservoir, the upstream...

Difference between Quick Opening, Linear & Equal Percentage Control Valve characteristics

S Bharadwaj Reddy
Each valve has a flow characteristic, which describes the relationship between the flow rate and valve travel. As a valve opens, the flow characteristic, which is inherent to the design...

Control Valve Characteristics

S Bharadwaj Reddy
All control valves have an inherent flow characteristics that defines the relationship between ‘valve opening’ and flowrate under constant pressure conditions. Please note that ‘valve opening’ in this context refers...

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