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Single Flange Dresser Coupling is formed by adding a limit device to the basic sleeve Type Expansion Joint and locked at maximum expansion by double nut.The pipeline can thus freely expand in certain limit. When maximum valve is reached,it will be limited
Single flange transmission joint is used to connect Flange on the one side and weld pipe on the other，modulate the product＇s length in between.Screw down bolts after installation to integrate the structure and guarantee a ceitain shift which will facilit