Dry bulk transport manual butterfly valves control the flow of dry materials such as grains and powders stored in hoppers and other industrial containers. They are rated for low-pressure applications. These valves start, stop, and throttle media flow within a system. They can be set to fully open, fully closed, or intermediate positions by hand with a lever or handwheel. These valves are compact, lightweight, and have a slim profile that minimizes pressure drops and ensures efficient flow.