Metal Expansion Joints or Bellows are used to accommodate the movement of pressurized piping system caused by thermal growth, contraction and small vibrations.

All Expansion joints are designed to EJMA 9 or ASME as required. These bellows are used to carry various media, including steam, emission gases, water, acid, alkalis and hydrocarbons.

1. Anchors and Guides
2. Corrosion
3. Presence of Sulphur
4. Leaching of Corrodents from Insulation Material
5. Velocity
6. Liners
7. Vibration - Amplitude and Frequency
8. Hardware Design
9. Pressure, Temperature & Media