When manufacturing bags for medical fluids, extreme precision and high production speeds are of the utmost importance. The systems produced by Kiefel GmbH, Freilassing Germany, meet both requirements: ...

This, in turn, controls the speed at which the piston strokes while extending or retracting, depending on the location in the circuit. J-Series valves allow free flow from inlet to outlet past the ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

A worksheet that calculates control valve installed gain can be part of any control valve selection process. For many years, the author has used, and promoted the use of, control valve installed flow ...

Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...