Two factors dictate the design of an ideal brace: 1  Joints adjacent to the thumb CMC joint must be excluded to maximize function when wearing the brace; thus a design using three points of pressure cannot be used. 2  The brace must specifically prevent CMC dorsal translation.
Expansion valve. An expansion valve is a valve used for different purposes: Steam engines. A valve used to control the expansion of steam: Expansion valve (steam engine) The best-known of these was the Meyer expansion valve, the invention of Jean-Jacques Meyer.
THERMOSTATIC EXPANSION VALVES. IDENTlFlCATlON. To completely identify a SPORLAN thermostatic expansion valve. the following information. is required: To completely identify a SPORLAN thermostatic element the following. information is required: 1.Type of valve (body style) 2.Refrigerant. 3.External equalizer.