FCC Spent Catalyst Standpipe Expansion Joint for a Major European Refinery

The fabrication of an FCC expansion joint for a key refinery project in Southern Europe has been successfully completed. The unit has been specifically designed and manufactured to operate reliably under the most severe process and operating conditions.

Main Features of the Expansion Joint are:

• Nominal Size: DN 1200
• Configuration: Gimbal-type expansion joint - Pantographic
• Design Codes:
• ASME B31.3 / EJMA / CE Marking: Module H
• Medium: Catalyst
• Design Pressure: 4.46 bar (g)
• Design Temperature: 550 °C
• Bellows in ASTM SB-443 UNS N06625 / N06626 – Grade 1
• Two-ply testable bellows
• Shells, cones, sleeves, pipes ASTM SA-387 Gr.11 Cl.2 (P11)
• Flanges SA-182 F11
• Hexagonal mesh SA-240 410S
• Abrasion lining ACTCHEM 85
• 100% RT, LPT, MT, PMI, UT, Heat Treatment
• PWHT: According to ASME BPVC VIII-1 UCS-56

This achievement underlines MACOGA’s expertise in delivering custom-engineered expansion joints for the most demanding refinery applications, ensuring the highest standards of safety, reliability, and long-term performance.