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Tied double expansion joints

This type of expansion joint can accept large movements in the lateral plane and can operate in all directions. Expansion joints with two tied bars can accommodate angular movement of flanges. The restraints absorb axial reaction force produced by internal pressure. The lateral movement depends on length of intermediate pipe. The tied bars are connected to the flanges through spherical washers.

Customized designs on demand


Typ: TDP

Tied double expansion joint with pipe ends

Tied double expansion joint with flanges

Typ: TDF

Tied double expansion joint with flanges

Project pressure Project temperature Nominal diameters Materials
Bellows Flanges, pipe ends, hinges
6, 10, 16, 25 bar 300 °C DN50 – DN600 1.4541 carbon or stainless steel

All special designs related to other sizes of nominal diameter, pressure ratings and lengths on request.