Mixing delivery over-flow valve double seal assistant
An overflow valve and double-seal technology, applied in safety valves, balance valves, valve devices, etc., can solve the problems of equipment vibration, failure to guarantee valve sealing, stability, safety, etc., achieve high safety and improve production Efficiency and safety performance, the effect of a wide range of applications
Inactive Publication Date: 2008-03-05
SOUTH CHINA UNIV OF TECH
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Abstract
This invention provides a double sealing pair of mixed transportation overflow valve containing corresponding upper and lower sealing pair. The upper sealing pair is positioned at the lower end of the valve core, and the lower sealing pair is fixed on the valve body. The lower sealing pair has flange at the top of inner lumen with a blade-shaped section. The upper sealing pair includes seal circle, ferrule and seal ring. The seal ring is positioned at the bottom face of the valve core via the fixing block and embedded in the upper ring groove of the fixing block. The seal circle is embedded in the lower ring groove on the bottom face of the valve core via the outer ferrule and the inner fixing ring. An inverted conical face is set at the bottom of the external of the lower sealing pair. When the valve is closed, the external of the seal ring is coupled with the lower sealing pair, the flange of the lower sealing pair contacts with the bottom of the ferrule. The invention has high sealing performance, stability and safety.
Application Domain
Equalizing valvesSafety valves
Technology Topic
EngineeringFlange +1
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