The Lug Type Butterfly Valve dn 50 is a butterfly valve with a solid shaft and reliable seal. It is usually used to close or regulate the fluid in the pipeline, and can be widely used in chemical, food, pharmaceutical and other industries. Its name "Lug Type" comes from the hole or ear shape in its design, which allows the valve to be easily installed on the pipe. Its operation is simple, usually only need to rotate the handle or gear to achieve switch and flow control. And dn50 butterfly valve is simple in structure, light in weight and easy to maintain.