It is used to open and close the flaps used in the Screw Conveyors.

What is a Manual Lever?
A manual lever is a type of valve key that connects to the shaft of a butterfly valve, allowing these valves to be controlled manually by hand.
The Manual Lever is easy to install, practical, and economical. Its ability to be used even in confined spaces is a key factor that increases its utility. It is a product that enables the opening and closing of valves used in screw conveyors, manually operated actuators, butterfly valves, and flow control gates.
The Manual Lever provides ease of use with its decorative design. It allows for flow control at a desired angle and can be locked into position. The Manual Lever is compatible with all butterfly valves and provides long-lasting operating performance. Thanks to its components, it is easily installed and operated.