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Expansion Joints

Seven standard expansion-joint configurations from DN 20 to DN 5000, with bellows produced in-house since 1994.

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Absorbs movement along the pipe axis. Used in hot-water and district-heating systems.

DN 20–5000PN 1–40 bar

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Nominal diameter (DN)(mm) *Pressure (PN)(bar) *Working temp. min(°C)Working temp. max(°C)Flow mediumFlow velocity(m/s)Axial movement (±)(mm)MaterialEnd connection

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Nominal diameter: DN 20–5000 mm
Nominal pressure: PN 1–40 bar

Axial expansion joint, standard program (DN 20–5000, PN 1–40 bar)

Expansion joints — types, manufacture, testing and documentation

Materials cross-reference (JUS · DIN · EN · ASTM)

Expansion Joints

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Spectacle Blinds (Figure-8)

3D Pipe Bending

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Expansion Joints

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Technical reference

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