Axial expansion joints are expansion joints that absorb mainly longitudinal movements axially along a straight section of pipe.
Axial expansion joint flared flanges and guide sleeve
►Smaller space requirements
►No alteration of flow movement
►Movement possible in any direction
►No redirection of pipe work required
►Low unit costs
►High axial forces at higher pressures
►Strong fixed points and good axial pipe guides required
►Small and medium movement absorption
►For large expansion movements several axial expansion joints are required
►On long stretches many fixed points and pipe guides are required
| Axial expansion joint variants | |
| Connection parts | Axial expansion joints can be manufactured with weld ends, fixed flanges or swivel flanges or combinations thereof, depending on customer requirements |
| Guide tubes | To avoid abrasion and turbulence (e.g. at high flow rates in pipe work systems), axial expansion joints can be equipped with inner guide tubes |
| Outer protection tube | To protect the metal bellows against mechanical effects from the outside, axial expansion joints can be equipped with outer protection tubes |
| One or two bellows | Axial expansion joints can be manufactures with one bellows or two bellows that are connected by a central tube |
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