Product name: SD43H/X manual flange expansion butterfly valve

Product use of expansion butterfly valve: it has the function of automatically compensating the thermal expansion and cold contraction of the pipeline for convenient loading and unloading. It is used as a device to regulate the flow and cut off the fluid on the industrial pipelines such as petroleum, chemical, electric power, paper, water supply and drainage and municipal construction with the temperature below 425 ℃ and the nominal pressure below 1.6MPa.

Product features 1. Unique structure, flexible design, light weight, labor-saving, rapid opening and closing

2. It can not only compensate the function of thermal expansion and cold contraction caused by pipe temperature difference, but also provide convenience for the installation and replacement of maintenance valves

3. The sealing part can be adjusted and replaced, and the sealing performance is reliable

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