适用于连铸辊、蒸汽阀、楔形阀、安全阀等部件的硬面堆焊。

It is for hardfacing of continuous casting roll, steam valve, wedge-shaped valve, safety valve, etc.

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当关闭通道时，用阀杆的楔形头使球体涨开与阀座压紧达到密封。

When the closed channel, the wedge-shaped head with a stem to open up the ball and pressed to seal the valve seat.

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闸板有两个密封面，最常用的楔式闸板阀的两个密封面形成楔形，楔形角随阀门参数而异。

Gate has two sealing surfaces, the most commonly used wedge gate valve sealing surface to form two wedge-shaped, wedge Angle parameters vary with the valve.

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