Helfer, W.

Emerson Automation Solutions, Marshalltown, Iowa

Wade Helfer has 22 yr of industry experience in the design and evaluation of control and isolation valves for a variety of industries, and is an expert in rotary valve seals, butterfly valve flow dynamics and high-temperature valve design. He completed his BS degree and graduate coursework in mechanical engineering from Iowa State University and is the Rotary Technologist at Emerson Automation Solutions, responsible for developing and evaluating new technologies.

Using ball valves in high-temperature applications

Jablonski, J., Helfer, W., Emerson Automation Solutions

Ball valves are often an economical solution for controlling flows in refinery high-temperature applications, but their application can be complex, particularly in high-temperature uses.