Angular expansion Joints - hinged
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CHARACTERISTICS:
Excellent reliability, does not age, absence of permeability, resistant to corrosion, high operating temperature. In conformity with EJMA (Expansion Joint Manufacturer Association) standards, movements indicated in the technical tables are calculated for 3000 complete cycles at nominal pressure.
MATERIALS:
- Bellows in stainless steel 1.4541 EN10028-7 (AISI 321).
- Weld ends in carbon steel
- Hinges in carbon steel
- Other grades of stainless steel available upon request
CONSTRUCTION:
- Single or multi-ply metal corrugated bellows
- Ends: weld ends, other types according to customer’s specifications
The corrugations are formed by a PLC controlled automatic process. The special forming process, free from friction and lamination, allows constancy and accuracy of the corrugation profile with minimal material yielding.
TESTING:
- Pneumatic leak test (standard)
- Hydraulic test, specific dimensional controls, non-destructive tests, material certificates of main pressure bearing parts (on request)