A worm gear butterfly valve is a butterfly valve that installs a worm gear on the valve body. By rotating the handwheel on the turbine head, the butterfly valve can be opened and closed. The advantage of turbine drive is that it is very labor-saving, and the larger the diameter of the butterfly valve, the more advantages it can achieve with turbine drive. Common materials for worm gear butterfly valves include gray cast iron, ductile iron, cast steel, stainless steel, and alloy.

If the material used is high-temperature and high-pressure, such as steam, high-temperature liquid, etc., it is suitable to use cast steel worm gear butterfly valves