Expansion Joints

   Special elements that are installed in pipe lines in order to absorb all kinds of expansion movements (axial, laterall and angular). They are designed to minimize stress and tension in the connections to fragile or critical equipment like pumps, strainers, etc.

   There are different types of expansion joints:

   - Metallic expansion joints: they consist of metallic bellows that absorb the expansion movements. There are different configurations: single or multi-ply, flanged, with weld end connections, with or without limit rods, etc. The choice depends on the movements to be absorbed, and the operating conditions (fluid, temperature, pressure).

   - Rubber expansion joints. They are based on different qualities of rubber: natural rubber, neoprene, viton, EPDM, etc. The rubber is the element that absorbs movements.

   - Textile or fabric expansion joints. They use fabric reinforced with fibres, teflon, etc., to act as the movement absorbing element. The end connection can be flanged, with weld ends, clamps, couplings, etc.