Steel Pipe Fittings

Steel Dismantling Joint Coupling

Steel Dismantling Joint Coupling
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Product Details

Dismantling joint coupling is a type of compensator or expansion joint. Flange connection expansion joint is composed of bellows (an elastic element), bolts, nuts, flanges and other accessories. The bellows absorb effectively the expansion and deformation of the pipeline size change, conduits and containers caused by thermal expansion and cold contraction, or compensates the axial, transverse and angular displacement of pipelines, also can be used for damping of vibration and noise transmissions. The dismantling expansion joint can be used in heating pipes to prevent deformation or damage caused by thermal elongation or temperature stress during heating or to reduce forces on the pipe wall, valve or pump structure.


Size: DN50-3200

Pressure: 0.25 MPa-6.4 MPa



Active area:16-31021 m²

Outer diameter:225-2180 mm

Connection: Flanges

Materials:  Ductile iron, carbon steel, Stainless steel 304, 316 or on request


The steel dismantling joint coupling is mainly used to compensate axial displacement, lateral displacement or angular displacement (not recommended), is characterized by no thrust, corrosion resistance, high-temperature resistance, noise and vibration attenuation, especially suitable for hot air pipe and smoke pipe. World iron&steel supply and manufacture dismantling joint coupling in accordance with EN, ASTM, GB standards and we also made a variety of materials for wider application. The materials used in the pipe system are directly related to how to join the pipes and what types of pressure assembled in the pipe. For more information, call us today!

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