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Ball Valve

Hard seal ball valve

Label: Zhejiang hard seal ball valve; Hard seal flange ball valve; Wenzhou high temperature ball valve added time: May 25, 2021 click 73 second

 Hard seal ball valve

? ? ? ? Hard seal globe valve , manual cast steel Hard seal ball valve The body surface adopts advanced spraying technology, and the highest hardness can reach hrc78 by treating various working conditions. The highest hardness of valve seat sealing surface can reach hrc72. The ball and valve seat are ground in pairs, and all sealing areas of the whole sealing surface of the ball valve are precisely ground. Suitable for high temperature and high pressure water, steam, oil, coal, fiber, viscous and corrosive media, as well as media with particles. Metal sealed ball valve There are two kinds of structure of floating ball and fixed ball. The metal seat ring contacts with the spherical surface and forms a seal between the seat ring and the spherical surface through the uniform spring load acting on the seat ring.
The load of spring is enough to provide a reliable seal between the valve seat and the ball. Under the condition of low pressure, a sealing grease injection system can be designed between the sealing surface of the valve seat and the ball.
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