Slurry Pump Volute Liners are interchangeable with AH/HH/L/M slurry pump volute lines, It is also one of wetted parts for slurry pumps. It forms a pump chamber with throat bush and frame plate liner insert and so slurry will wash them, Slurry pump volute Liner is a curved funnel increasing in area to the discharge port. It is often used together with impeller for slurry pumps. As the area of the cross-section increases, the volute reduces the speed of the liquid and increases the pressure of the liquid.