Selecting the right rotary control valve

Wade Helfer is the Rotary Technologist at Emerson Automation Solutions for its Fisher rotary valves, and is responsible for developing and evaluating new technologies. He 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.

Jason Jablonski is the Director of Fisher Rotary Engineering at Emerson Automation Solutions, and has 20 yr of experience in the design, testing and manufacturing of process control equipment. He is a project management professional, an agile certified practitioner, and a member of the API subcommittee on piping and valves. Mr. Jablonski earned a BS degree in mechanical engineering from Iowa State University and an MBA degree from the University of Texas at Dallas.