NON-METALLIC EXPANSION JOINTS
Metallic Expansion Joints Catalogue





Non-Metallic HRSG Expansion Joints



Flexi-Duct HRSG expansion joints absorb thermal growth and movements of a ducting system while containing internal pressures and media.


Components

1. Flexible Element
2. Insulating Layers
3. Insulating Retainer Layer
4. Backup Bars
5. Gasket
6. Baffle
7. Cavity Pillow
8. Insulation



Flexi-Duct offers multi plane movements in a shorter face-to-face dimension. The ability to accommodate axial, lateral (in two planes), torsional and angular movements concurrently is an inherent capability of the expansion joint design.


Flexi-Duct uses a wide variety of elastomers which can withstand temperatures up to 1200ºF and are a practical and economical expansion joint solution.


Benefits
• Superior corrosion resistance

• High temperature and mechanical strength

• Large amount of movements

• Low loads

• Noise and vibration elimination

• While meeting mechanical requirements, the membrane must perform in severe heat, weather, and chemically hostile environments.

• Exceptionally strong reinforcing materials allow thinner membranes to optimize flexing capabilities.

• Superior coating adhesion resists de-lamination

• Air Pollution and Fume Control.


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