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Control valve

A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.

Types of control valve, Operation & Control action

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Types of control valve

Vena contractaButterfly valveBall valvePlug valveGate valve
11 related topics

Operation

ElectricalHydraulicPneumatic actuators4-20mAHVAC
9 related topics

Control action

Failure to safety
1 related topics

Valve positioners

Loop performance
1 related topics

Topics to explore

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Overview

Operation

Control action

Valve positioners

Types of control valve

Advanced semantic analysis

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Map overview Semantic statistics

Control valve

Nodes35
Edges34
Triples57
Avg. degree1.94
Density0.057143
Components1

How this topic connects Entity context

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Control valve

Top relations

see also · 16
Control valve → Addressable Remote Transducer Protocol, Check, Communications, Computerized, Control, Discipline, Engineering, Flow, FoundationFlow, HART Protocol, Industrial, Measuring, PID, Supervisory, System, Valve
related to Based on the functionality · 11
Control valve → Allows, Closed, Control, Controls, Examples, Gate, Globe, On-off, Regulates, These, Turbine
related to Pneumatic positioners · 8
Control valve → As, In, Nozzle, Pressure, Processing, Stem, The, When
related to Analog positioners · 7
Control valve → DC, I/P, In, Most, Otherwise, The, This
related to Operation · 3
Control valve → Air-actuated, Normally, The
related to Valve positioners · 3
Control valve → Positioners, The, There
related to External links · 2
Control valve → Control Valve HandbookFluid Control, Research InstituteNew
is a · 1
Control valve → valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller
related to Types of control valve · 1
Control valve → Control

Important terminology Word statistics

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Important terminology

valve control pressure signal pneumatic actuator stem positioner position flow valves nozzle output ball flapper open air globe move beam

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Control valveis avalve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller0.90text
pressureinstance ofThis enables the direct control of flow rate and the consequential control of process quantities0.80text
temperatureinstance ofThis enables the direct control of flow rate and the consequential control of process quantities0.80text
and liquid level.In automatic control terminologyinstance ofThis enables the direct control of flow rate and the consequential control of process quantities0.80text
a control valve is termed ainstance ofThis enables the direct control of flow rate and the consequential control of process quantities0.80text
water or oilElectric valveinstance ofActuated by a non-compressible medium0.80text
Control valverelated to Analog positionersThe0.60section
Control valverelated to Analog positionersI/P0.60section
Control valverelated to Analog positionersMost0.60section
Control valverelated to Analog positionersDC0.60section
Control valverelated to Analog positionersThis0.60section
Control valverelated to Analog positionersIn0.60section

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    Min side: 3
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