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1.Novel design, reasonable, unique structure, light weight, easy to operate, fast opening and closing
2.In addition to regulating and intercepting the flow, the telescopic butterfly valve can compensate the thermal expansion and cold contraction caused by the temperature difference of the pipeline. It can also provide convenience for the installation, replacement and maintenance of the valve
3.The sealing parts can be adjusted and replaced, and the sealing performance is reliable
2.In addition to regulating and intercepting the flow, the telescopic butterfly valve can compensate the thermal expansion and cold contraction caused by the temperature difference of the pipeline. It can also provide convenience for the installation, replacement and maintenance of the valve
3.The sealing parts can be adjusted and replaced, and the sealing performance is reliable