Which valve is preferred for handling slurries and fluids with a high solid content?

The ball valve is preferred for handling slurries and fluids with a high solid content due to its design features that minimize friction and allow for a smooth flow. The spherical shape of the ball provides a large, unobstructed flow path when fully open, which is essential for moving slurries that contain solids. This design helps prevent the slurries from accumulating or creating blockages within the valve, which can happen with other types of valves that have more intricate flow paths.

Additionally, ball valves typically require less torque to operate and can maintain a good seal even in dirty and abrasive conditions, making them suitable for high-solids applications. Their straightforward operation and reliable performance in harsh conditions enhance their suitability for managing slurries effectively.

In contrast, globe valves are less optimal for this application because their internal design creates more turbulence and may lead to sedimentation of solids. Gate valves, while providing a full flow when open, may not offer robust sealing in environments with high solid content, and the flow path can be restrictive. Butterfly valves can introduce a level of turbulence and may not fully prevent sediment build-up, making them less effective for such applications compared to the straightforward, efficient action of a ball valve.