These elbow type expansion joints are pressure balanced and designed to apply minimum forces on connecting, load sensitive equipment. These expansion joints are mainly used for axial and lateral movements.
ITEM | DESCRIPTION |
---|---|
1 | Carrier ring |
2 | Line bellows |
3 | Tie rod |
4 | Balancing bellows |
5 | Flange |
6 | Elbow section |
7 | Centre spool |
8 | Internal liner |
Diameter: DN 100 ... 1,000 (4" ... 40”)
Temperature: ... 550 °C (1,022 °F)
Pressure: max. 50 barg (725 PSIG)
Design codes:
EJMA 9, PED 97/23/EC acc. to EN 13480, EN 13445, EN 14917, AD2000 and ASME B31.3
NDT and documentation:
According to PED 97/23 EC rules and regulations (declaration of conformity)
Documentation can be provided per customer request e.g.:
Tied metal expansion joints might require alignment guides to ensure the expansion joint only see the intended movements.