2017 Latest Design TU-3A01 thermal wax actuator for electric switch valve Export to Madrid
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2017 Latest Design TU-3A01 thermal wax actuator for electric switch valve Export to Madrid Detail:
1. Operation Principle
The Thermostatic Wax that has been sealed in shell body induces expansion by a given temperature, and inner rubber seal part drives its handspike to move under expansion pressure to realize a transition from thermal energy into mechanical energy. The Thermostatic Wax brings an upward movement to its handspike, and automatic control of various function are realized by use of upward movement of handspike. The return of handspike is accomplished by negative load in a given returned temperature.
2. Characteristic
(1)Small body size, occupied limited space, and its size and structure may be designed in according to the location where needs to work.
(2)Temperature control is reliable and nicety
(3)No shaking and tranquilization in working condition.
(4)The element doesn’t need special maintenance.
(5)Working life is long.
3.Main Technical Parameters
(1)Handspike’s height may be confirmed by drawing and technical parameters
(2)Handspike movement is relatives to the temperature range of the element, and the effective distance range is from 1.5mm to 20 mm.
(3)Temperature control range of thermal wax actuator is between –20 ~ 230℃.
(4)Lag phenomenon is generally 1 ~ 2℃. Friction of each component part and lag of the component part temperature cause a lag phenomenon. Because there is a difference between up and down curve of traveling distance.
(5)Loading force of thermal wax actuator is difference, it depends on its’ shell size.
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Taft E. Armandroff is Director of the W. M. Keck Observatory. At the helm of operating one of the worlds leading astronomical research facilities, his priorities are to advance the scientific objectives of the Observatory, plan strategically with the broad astronomical community, and develop resources that will sustain Keck at the forefront of astronomy for decades to come.
A 1982 graduate of Wesleyan University, Armandroff holds a B.A. in astronomy with high honors. He continued his studies at Yale University, earning an M.S., M. Phil., and Ph.D. in astronomy. As primary author or co-author of 41 refereed journal articles and review papers, he is a widely respected research astronomer in dwarf spheroidal galaxies, stellar populations in the Milky Way galaxy and nearby galaxies, globular clusters, chemical evolution of galaxies, and dark matter.
Prior to joining Keck Observatory in 2006, he worked for 19 years at the National Optical Astronomy Observatory (NOAO) in Tucson, Arizona, holding positions of Associate Director and Director of the NOAO Gemini Science Center. In that capacity, he spearheaded U.S. contributions to and scientific use of the international twin Gemini telescopes in Hawaii and Chile.
A distinguished leader of many instrument development projects in wide-field optical imaging, multi-object spectroscopy and infrared spectroscopy, he is a passionate advocate for new technologies that will assist astronomers in their quest to understand our universe.
Dr. Taft Armandroff visits Google’s Mountain View, CA headquarters as part of the Authors@Google series.
