The Explorer Series of electric actuators from Exlar Corp., Chanhassen, Minn. (exlar.com), combines a brushless servoamplifier and position controller in a single unit, letting users add servo ...

The article will then look at valve types very briefly before focusing on digital positioners. It will examine the expectations that the user should have with regards to digital positioners, for ...

They work in harsh environments, and they get little or no recognition. But their impact on power plant efficiency can be significant. Valves and actuators are critical in almost every aspect of power ...

Plant engineers at Eskom’s Majuba Power Station in South Africa have been continuously looking for ways to improve efficiency and reliability. The six-unit, 4,000-MW, supercritical coal-fired plant ...

Festo introduces a ball valve assembly program designed to deliver a host of process application benefits. Festo introduces a ball valve assembly program designed to deliver a host of process ...

Electric rod-actuators are replacing fluid power actuators for many high-force applications throughout industry. Tasks once limited to hydraulic and pneumatic cylinders such as pressing, holding, ...

If you are interested in participating on ISA96, please contact ISA standards staff at +1 919-549-8411 or ISA Standards. The committee will develop standards and technical reports related to valve ...

To increase the accessibility of piezoelectric transducers and actuators for OEM designers, manufacturers may package these devices inside a protective arrangement of flexures. This approach offers a ...

Applicable to variable fill-level systems, the unit features failsafe functionality that, in the event of power or pressure failure, allows operations personnel to advance the drive unit manually to a ...

A single power plant uses hundreds of valves to control almost every aspect of its operation. Valves, in conjunction with a controlling actuator, are used for pollution control, feed water, cooling ...