Expansion joint DN 404
Multi-ply axial expansion joint DN 404

Design temperature: up to +135 °C
Design pressure out: -1 bar g / + 30 bar g
Test pressure out: 39 bar g
Bellows material internal: 1.4571
Bellows material external: 2.4610 (Hastelloy C4)
Flange material: 1.4439
Leakage detection (inter-ply monitoring)