Worm geared pair cast steel butterfly valve. This product consists of rubber sealing butterfly valve and carbon steel or stainless steel valve plate and valve stem. Suitable for temperature ≤ 80 ~ 120 °C, such as food, medicine, chemicals, petroleum, electricity, textiles, paper and other water supply and drainage, used to regulate the gas flow and cut off the role of the media.

The main characteristics of the worm gear paired cast steel butterfly valve are: novel and reasonable design, unique structure, light weight, rapid opening and closing, small operating torque, easy operation and labor saving. Can be installed anywhere for easy maintenance. The seal can be replaced, the sealing performance is reliable, and zero leakage of the two-way seal is achieved. The sealing material is resistant to aging, weak in corrosion, and has a long service life.