Ball valve elasticity
Oct 22, 2023| The ball of the ball valve is elastic. The ball and the seat sealing ring are made of metal materials, the specific pressure of the seal is very large, and the pressure of the medium itself can not meet the requirements of the seal, and external forces must be applied. This valve is suitable for high temperature and high pressure media.
An elastic sphere is an elastic groove opened at the lower end of the inner wall of the sphere to obtain elasticity. When the channel is closed, use the wedge head of the stem to expand the ball and press the seat to seal. The wedge head is loosened before the ball is turned, and the ball is then restored to its original shape, so that there is a small gap between the ball and the seat, which can reduce the friction and operating torque of the sealing surface.