40” FCC Expander Outlet Line Tied Universal Expansion Joint for North European Refinery
When it comes to complex tasks in the field of Fluid Catalytic Cracking, we offer our customers the complete range of engineering services from designing and manufacturing the Expansion Joints to providing support throughout the entire processing and commissioning phases.
This universal expansion joint was designed, manufactured, tested and shipped by MACOGA for a refinery located in the north of Europe.
Highlights of the Expansion Joint supplied:
Applicable Standards
Design Codes and Standards:
- EJMA 10th Edition 2015
- B31.3 Ed. 2016 - Appendix X
- ASME VIII Div.1 Ed. 2021
- ASME II Ed. 2019
40” FCC Expander Outlet Line Tied Universal Expansion Joint
- Double bellows in SB443 N06625 (625 LCF)
- 2-ply testable system
- Internal telescopic sleeves in A240-304H
- Pipes in SA240-304H
- Complete hinged system + trunnion attachments in SA240-304H
- Welding Neck Flanges 40”
- Internal insulation fine mesh SS309 + Silica Cloth + Ceramic Fiber
- External insulation Silica Cloth + Fine mesh SS304 + Ceramic Fiber
- Design pressure 3,1 bar(g)
- Pneumatic test pressure: 5.2 bar(g)
- Design temperature for bellows 538 ºC
- Design temperature for pipeline: 760 °C
- MDMT: -20°C
Main Quality Control and Testing:
- Material certificates EN10204-3.1
- 100% visual inspection of welds
- PMI
- 100% RX in all the BW welds
- 100% LPT in all the BW welds
- 100% LPT in all the fillet-lap welds
- 100% LPT to lifting points
- Intermediate hydrostatic pressure test to parts (prior to assembly of bellows)
- Leak test on bellows before assembly
- Interply leak test with Helium
- Pneumatic final pressure test
- 100% dimensional control
- Final weight check
More information about our Expansion Joints for FCCU can be found here: https://www.macoga.com/en/expansion-joints-for-specific-applications/fcc-expansion-joints/intro-fcc-expansion-joints
