The telescopic butterfly valve has simple structure, and its structure length can be adjusted for easy installation. The telescopic butterfly valve has two sealing types: soft seal and metal hard seal. For soft seal valves, the sealing ring can be embedded on the valve body or attached to the periphery of the butterfly plate. The sealing element can be replaced, and the sealing is reliable to achieve two-way sealing.

Purpose

The telescopic butterfly valve is suitable for regulating the flow and intercepting the flow medium on the water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, light textile, paper making, etc., and has the function of compensating the thermal expansion and cold contraction of the pipeline.