Henan Liwei Industry Co., Ltd. is a professional expansion joint manufacturer, our products sells good all over the world and high praised by international clients. Double flanges dismantling joints is mainly applies to petroleum, chemical engineering, electric power, food, medicine, paper making, metallurgy, energy, construction, municipal engineering, sewage treatment, environment protection and drainage. It composes of body, sealing ring, follower and expansion short pipes. it is suitable for pipeline whose both sides are connected to flange, when installation, adjust length of product at both ends with flanges, screw down gland bolts and make it into a whole, and has certain displacement amount, to convenient for adjust dimension when installation. Double flange transmission joint is a new product for pump and valve products to connect to pipeline. It can also pass the axial thrust to the entire pipeline, which not only improve efficiency, and play a protective role for pump, valves and other equipment.