Thin ball valve, thin butterfly valve has simple structure, small size, light weight, only a few parts. Moreover, the valve can be opened and closed quickly only by 90 ° rotation, and the operation is simple. At the same time, the valve has good fluid control characteristics. When the ball valve is in the fully open position, the thickness of the valve plate is the resistance of the medium flowing through the valve body, so the pressure drop through the valve is very small and it has good flow control characteristics. There are two sealing types of tower valve, elastic seal and metal seal. Elastic seal valve, seal ring can be embedded in the body or attached to the valve plate around.
