The design of the pneumatic ball valve

pneumatic ball valve is basically a ball 'the ball through the center of the black hole'. The ball is squeezing two seats, one ball retainer. When the ball is fully open, so that in the cave and port allows flow liquid line. In order to stop the ball is ° turned to stop the flow. This is when the problem could occur, the pneumatic valve opened or closed. The design of the pneumatic ball valve is closed, almost no ball - flow of low pressure drop This is equal stress on both sides. When high flow off pneumatic ball valve is closed, the fluid velocity across the seats increased, until completely close the pneumatic valve.