January 4, 2019

FCC Expansion Joints for European Refinery

We have successfully completed the design, manufacturing and testing of 6 units FCC Expansion Joints for a refinery in Europe.

The supplied FCC Expansion Joints have been the following and with the following parameters:

2 units SPENT CATALYST STANDPIPE – WITH PANTOGRAPH - HOT WALL DESIGN

  • I.D. 980 mm L: 3600 mm
  • 2 ply testable bellows in ASTM B 443 UNS N06626 # Inconel 625 LCF
  • With bellows sealing system and thermocouples
  • Abrasion resistant lining RESCOBOND AA 22 S (UOP 3-25)
  • Design Pressure: 5,97 kg/cm2(g)
  • Temperature: Bellows 538 °C - Pipe/medium 566 °C
  • Medium: Catalyst 

2 units RECIRCULATION CATALYST EXPANSION JOINT – WITH PANTOGRAPH - COLD WALL DESIGN

  • I.D. 950 mm L: 3600 mm
  • 2 ply testable bellows in ASTM B 443 UNS N06626 # Inconel 625 LCF
  • With bellows sealing system and thermocouples
  • Refractory lining installed on-site 
  • Design Pressure: 5,24 kg/cm2(g)
  • Temperature: Bellows 538 °C - Pipe/medium 343/775 °C
  • Medium: Catalyst

2 units RECIRCULATION CATALYST EXPANSION JOINT – WITH PANTOGRAPH - COLD WALL DESIGN

  • I.D. 1230 mm L: 4000 mm
  • 2 ply testable bellows in ASTM B 443 UNS N06626 # Inconel 625 LCF
  • With bellows sealing system and thermocouples
  • Refractory lining installed on-site 
  • Design Pressure: 4,25 kg/cm2(g)
  • Temperature: Bellows 538°C - Pipe/medium 343/775°C
  • Medium: Catalyst

MACOGA FCC Expansion Joints undergo a comprehensive and rigorous quality control and testing programme including:

  • 3D Drawings
  • Advanced Review of Calculations
  • Check Material and welding consumables certificates
  • Review and update WPS, PQR and WQR
  • Review NDE Procedures & Operator Qualification
  • RT- Radiographic Examination
  • PT - Liquid Penetrant Examination
  • MT - Magnetic Particle Examination
  • Hardness Testing of Welds
  • Pressure & Leak Detection Test
  • PMI - Positive Material Identification
  • Inspection of Refractory Lining
  • Surface Preparation & Paint System
  • Check Packing & Marking