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.

News
27/06/2017

Modulating damper actuation

Nearly two hundred Auma electric actuators have been supplied to Greece’s ...
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07/06/2017

Adaptable angle seat valve

Featuring a patented interface and award-winning modular product ...
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09/05/2017

Smart IO-Link connectivity

Parker Hannifin has added smart connectivity of its pneumatic valve ...
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24/04/2017

Modern valve island

At Hannover Messe Bürkert displayed its new valve islands AirLINE (Type ...
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15/03/2017

Valves improve efficiency

MET Advanced Technology Systems (MET), a start-up company founded in ...
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Control valve solution - 08/02/2017
Maintenance concerns - 24/11/2016
Hygienic valve actuators - 08/11/2016
Actuator leakage tester - 31/10/2016
High performance actuators - 27/07/2016
Library
04/01/2016

LNG valves for the Arctic

IMI Critical Engineering has clinched several major contracts for one of ...
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19/03/2014

Power grab

Managing your factory's energy usage effectively can pay real dividends in ...
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07/08/2013

Taking control

Control valves – and specifically their actuator and positioner systems – ...
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06/02/2012

Pole position

Although control valve, actuator and positioner technologies develop only ...
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09/02/2011

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