Ball valve structure：The ball valve has many kinds of structure, but it is basically the same and different. All the ball core is round. It is mainly composed of the seat, ball, seal, stem and other driving devices. The valve is turned 90 degrees through the stem to realize the opening and closing of the valve. It is used to turn off, partition, adjust the size of the flow and change the flow of the medium on the pipe. To. The valve seat has different seat seal according to different working conditions. The valve body has one piece, two sections and three sections.
O ball valve structure:The valve body of the O type ball valve is equipped with a ball with a middle through hole in the valve body. The sphere has a hole with a diameter equal to the diameter of the pipe. The ball can be rotated in the seal seat, and there is a circular elastic body on both sides of the pipeline to seal the body. By rotating the sphere 90&deg, the direction of the through hole can be changed, so as to realize the switch of the ball valve.
