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High temperature resistant features of high temperature ball valve

 

High temperature resistant measures
When working in high temperature, because of the thermal expansion, up dead of the ball and seat of the valve is easy to be caused, leading to the valve unable to be opened. The high temperature ball valve is with Belleville spring or spring loaded sealing structure, under high temperature, the thermal expansion of parts can be absorbed by Belleville spring or spring. So the valve can be flexible to open and close under high temperature.
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Division and selection of high temperature ball valve

             Structural advantages

High temperature ball valve is with metal elastic circle as seat sealing ring, in order to compensate for the influence of the changing external conditions such as temperature, pressure and wear on ball valve seal performance. This valve is consist of the body, ball, stem, metal valve seat, the flexible graphite sealing ring between the seat and valve body, metal elastic circle, pressure ring of metal elastic circle and gasket. One of the two seats is metal seat which can slide in embedded groove in the valve body, the other one is transformable elastic metal ring. Because of the structure, when the ball is heated and expands, the metal elastic ring can transform and make the ball not be stuck.
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