March 29, 2016

FCCU Expansion Joint for one of the largest refineries in Europe

FCCU Expansion Joint for one of the largest refineries in Europe
FCCU Expansion Joint for one of the largest refineries in Europe
MACOGA has successfully designed, manufactured, tested and shipped a large Tied Universal FCCU Expansion Joint for one of the largest crude oil processing locations in the north of Europe.  

The scope of work at the refinery comprises a high-tech Flue Gas Line Expansion Joint DN1290 (hot wall) and 8660 mm long.  

The Expansion Joint includes:  
  • 2 ply testable & packed Bellows in ASTM B443 Inconel 625 LCF
  • Internal sleeve, pipes, elbows, floating plates, etc. in ASTM A 240 Tp 304 H Internal and external Super Wool insulation
  • Hexagonal Mesh, sealing anchors and sealing rope
  • Abrasion Lining Rescobond AA 22 S  

Bellows were post formed Heat treated in a vacuum furnace with molybdenum shell (in order to avoid surface contamination): annealing at 960°C with cooling system under N2 or Ar.