Actuators and Controls
Hydraulic Actuators Gaining in Use PDF Print E-mail
Tuesday, 06 September 2011 13:49

vmsum11_actuatorsHydraulic actuators (in black) for flow control valves in a distribution terminal of a pipeline help control gasoline, diesel and other products.BY KEVIN HYNES

Although the actuator market is dominated by pneumatic and electromechanic products, a growing number of niches require the performance levels of electrohydraulic actuators.

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The Human Factor in Valve Operation PDF Print E-mail
Monday, 27 June 2011 09:18

VM-spg11-ArrestorBY KEVIN SWICEGOOD


Worker safety, efficiency and the cost of operations, and most recently, new methods of control, are key focal points in operating valves. One factor that affects all areas is the role and level of human involvement in the processes.

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