Pro-Techtor International Services
Balancing valve assembly of a cold and hot water mixing valve
 A balancing valve assembly of a cold and hot water mixing valve including a mixing valve casing having a bottom wall provided with a depression for receiving a balancing valve cover plate. Cold and hot water inlets are provided in the depression, and a balancing valve lower cavity is disposed above the cold and hot water inlets. A balancing valve upper cavity is provided below cold and hot water inlets on the balancing valve cover plate. A washer is disposed between the mixing valve casing and the balancing valve cover plate when coupled so that the balancing valve lower cavity of the casing and the balancing valve upper cavity of the balancing valve cover plate together form a leakage-free space in which a balancing valve body may be secured, thus achieving a structure that is simple and quick to assemble and remains secured alter assembly. 
G Y Y Y Y Y
G05D Y10T Y10T Y10T Y10T Y10T
inventional additional additional additional additional additional
Chia-Bo
Chang