Focus On : Valves, Actuators and Positioners

valves and actuators

Advances in control valves, valve actuators and positioners are changing the shape of industrial automation and control for plant engineers.

Examples include: a digital valve controller (electronic positioner) with automated diagnostics; and a wireless plug-in for accessing valve maintenance data even on plants running with older 4—20mA control systems. Then there are: new packings and seals, to reduce fugitive emissions; improved valve trims, for plant noise reduction and increased valve life; and valve controllers with contactless feedback, cutting out mechanical actuator linkages and, again, improving maintenance-free control valve life expectancy.

Plant Engineer's coverage of valves, actuators and positioners includes even a lowly butterfly valve now turned from shut off valve into rotary control valve with ball valve or globe valve performance.


Adaptable angle seat valve

Featuring a patented interface and award-winning modular product ...
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Smart IO-Link connectivity

Parker Hannifin has added smart connectivity of its pneumatic valve ...
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Modern valve island

At Hannover Messe Bürkert displayed its new valve islands AirLINE (Type ...
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Valves improve efficiency

MET Advanced Technology Systems (MET), a start-up company founded in ...
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Control valve solution

The world of fluid control systems presents a whole host of challenges for ...
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Maintenance concerns - 24/11/2016
Hygienic valve actuators - 08/11/2016
Actuator leakage tester - 31/10/2016
High performance actuators - 27/07/2016
Sectional mobile valves - 13/07/2016

LNG valves for the Arctic

IMI Critical Engineering has clinched several major contracts for one of ...
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Power grab

Managing your factory's energy usage effectively can pay real dividends in ...
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Taking control

Control valves – and specifically their actuator and positioner systems – ...
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Pole position

Although control valve, actuator and positioner technologies develop only ...
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Control Revisited

Control valves, actuators and positioners aren't renowned for rapid ...
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Instruments for control - 06/10/2010
Control valves best practice - 01/01/2010
Opening up on control valves - 01/12/2009
Testing safety valves - 01/04/2009
Open & shut case - 01/02/2009