Materials:
Body: Cast/ductile iron
Ball: Rubber-coated aluminum
Ball rack: DI
Baffie: DI

Sliding ball type
Coated with rubber and dependent on line pressure, ball can slide up and down in the integrated chute in body to open or close valves without any noise and water-hammering and nice sealing capability
Full without any block so the flow rate is much with little resisting force and pressure loss and water-head loss is 50% of swing
Installed vertically or horizontally
Used in cold and hot waters, industries and sewage pipeline and more for sewage submersible pump