Feeding ball valve is a ball with a circular channel as the opening and closing parts, the ball with the valve stem rotation to achieve the opening and closing action of the valve, its opening and closing parts is a hole in the ball, around the axis perpendicular to the channel rotation, so as to achieve the purpose of opening and closing the channel.

Discharge ball valve is a special structure of the discharge ball valve, the seat and the end flange is close, the material retention is less, the structure is compact, the sealing performance is superior, for fine chemical, pharmaceutical, chemical industry reaction pot, also can be used in fine soft particle medium transport. Using PPL sealing material, more wear - resistant, is the toothpaste industry vacuum paste pot is the ideal product.