July 29, 2020

Expansion Joints for FCC Revamp Installation Project in the Middle East

MACOGA has been awarded a contract for the design, manufacturing and testing of a large number of high-tech FCC Expansion Joints for a refinery in the Middle East.

The refinery processes crude oil to produce variety of hydrocarbons, including LPG, naphtha, gasoline, jet fuel, kerosene, diesel, heating oil, fuel oil and asphalt and the aim of the project is to increase the operational performance at the FCC Unit.

The scope of the project is listed as below:

Spent Catalyst Expansion Joint

  • Universal Untied – Pantograph Design
  • DN: 600 (24”) – Length: 3050 mm        
  • Monitored bellows in SB-443 UNS6625 Gr.1 LCF
  • Abrasion lining RESCO AA22S
  • Design pressure: 4,82 barg / Internal pneumatic test pressure: 5,4 barg
  • Bellows design temp.: 538 °C / Pipe design temp.: 552 °C
  • Medium: Catalyst

Regenerated Catalyst Expansion Joint

  • Universal Untied – Pantograph Design
  • DN: 850 (34”) – Length: 3050 mm        
  • Monitored bellows in SB-443 UNS6625 Gr.1 LCF, 2 plies x 1 mm
  • Refractory lining RESCO RS17 EC
  • Design pressure: 4,82 barg / Internal pneumatic test pressure: 5,4 barg
  • Bellows design temperature: 538 °C / Pipe line design temperature: 552 °C
  • Medium: Catalyst

2 Units Internal Reactor – Double Bellows Expansion Joint

  • N.D. 36” (hot wall)
  • DN: 900 mm – Length: 900 mm            
  • Bellows Alloy 825
  • Pipes A387 Gr. 11 Cl. 2
  • Design pressure: 0,34 barg
  • Internal pneumatic test pressure: 0,51 barg
  • Bellows design temperature: 538 °C
  • Pipe line design temperature: 552 °C
  • Medium: Catalyst

2 Units Flue Gas Line – Gimbal Expansion Joint

  • Regenerator exit
  • DN: 950 mm – Length: 1500 mm          
  • 2 ply testable monitored bellows - 1 SB-443 N06625 LCF
  • Sealing system
  • Abrasion Lining - 1 RESCO AA 22S
  • Refractory Lining - 1 RESCO RS 17EC
  • Design pressure: 3,45 barg
  • Internal pneumatic test pressure: 3,9 barg
  • Bellows design temperature: 538 °C / -18 °C
  • Medium: Flue gas

Flue Gas Line – Hinged Expansion Joint

  • DN: 950 mm – Length: 1500 mm          
  • 2 ply testable monitored bellows -  SB-443 N06625 LCF
  • Bellows ASTM B443 Inconel 625 LCF – UNS N06626
  • Woven wire mesh cover SS 304
  • External insulation thk.25 mm SUPERWOOL density 128 kg/m3
  • Refractory RESCO RS 17 EC Int.l insulation SUPERWOOL density 128 kg/m3
  • Abrasion Lining hRESCO AA22S
  • Design pressure: 3,45 barg
  • Internal pneumatic test pressure: 3,9 barg
  • Bellows design temperature: 200 °C / -18 °C
  • Medium: Flue gas

Flue Gas Line – Universal Double Hinged Expansion Joint

  • Pantograph Design
  • DN: 700 mm – Length: 2400 mm          
  • 2 ply testable monitored bellows - 1 SB-443 N06625 LCF
  • External insulation SUPERWOOL
  • Hexagonal Mesh ASTM A 240 Tp 410S
  • Sealing SS 309 - Clips sealing SS 304
  • Abrasion Lining RESCO AA22S
  • Internal insulation Superwool density 128 kg/m3
  • Design pressure: 3,45 barg / Internal pneumatic test pressure: 5,2 barg
  • Design Temperature Bellows: +370 °C / Design Temperature Pipe: +370 °C
  • Minimum Design Metal Temperature: -18°C
  • Medium: Flue gas

2 Units Flue Gas Line – Universal Double Hinged Expansion Joint

  • Pantograph Design
  • DN: 600 mm – Length: 1885 mm          
  • 2 ply testable monitored bellows - SB-443 N06625 LCF
  • External insulation Superwool
  • Hexagonal Mesh ASTM A 240 Tp 410S
  • Sealing SS 309 - Clips sealing SS 304
  • Design pressure: 3,45 barg
  • Internal pneumatic test pressure: 5,6 barg
  • Design Temperature Bellows: +370 °C
  • Design Temperature Pipe: +370 °C
  • Minimum Design Metal Temperature: -18°C
  • Medium: Flue gas