PHONE: 630-773-2222
Equal percent flow characteristic
Invented by Dr. Hans Baumann PE. Ph.D
About Us
Z-Disc
Hans D. Baumann, PhD, P.E. is widely recognized as one of the foremost experts in control valve design and related technologies He is credited with over 200 U.S. and worldwide patents and has published 118 papers (many peer reviewed) plus articles in addition to co-authoring seven handbooks on valves, instrumentation, and noise. His book, “Control Valve Primer – A User’s Guide”, published by ISA, is considered the “textbook of valve selection and implementation”. Lilly Engineering is proud to have Dr. Baumann serve as its primary technology consultant in the Design and development of the Z-DISC Control Vane technologies.
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Shark Tooth
Yeary Controls specializes in the development and integration of innovative valve technologies and we have focused on valve solutions for energy and various process industries for over forty years. The Sharktooth® Control Valve is the first triple eccentric type control valve exclusively designed for process control and throttling purposes. It was conceived in a collaborative effort between Yeary Controls and Dr. Hans Baumann, a foremost expert in control valve design. The Sharktooth® Control Valve represents the latest in control valve technologies for process control applications.