CONTROL VALVES

selected resources
Applications
Case history

Knowledge of valve condition brought up-to-date through audit

In the spring of 2007 Metso Automation carried out an extensive audit of the installed equipment base and equipment inventory at Rautaruukki’s Raahe Works. More than a thousand Neles control and on-of more
Applications
Technical article

Digital devices deliver for Duke and Millstone

Digital positioners are seeing broader use in the nuclear industry. They are typically faster and more stable than the analog devices they replace, which translates into simpler control schematics and more
Technology
Technical article

Proper actuator sizing for rotary control valves, Part 1

In the sizing of rotary control valves, cost pressure leads to the actuators being sized with the lowest possible safety factors so that smaller actuator sizes can be used. The problem is that no appl more
Applications
Technical article

Streamlining control valve selection using EDE

Despite the use of electronic documents, simulation software and the like, the design, procurement, and purchasing of capital equipment is still a very labor-intensive process. The next major step fo more
Technology
Technical article

Aerodynamic noise attenuation in rotary control valves

High noise levels not only constitute a health risk to personnel but can also cause damage to equipment. In many countries, strict noise abatement laws require the reduction of noise levels to accepta more
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