August 1, 2022

Elbow Pressure Balanced Expansion Joint for one of the largest Chemical Plant in Europe

Elbow Pressure Balanced Expansion Joint for one of the largest Chemical Plant in Europe
Elbow Pressure Balanced Expansion Joint for one of the largest Chemical Plant in Europe

Our client, one of the Europe’s largest chemical producers, awarded MACOGA the design, manufacture, testing and shipment of an Elbow Pressure Balanced Expansion Joint  for one of its plants in Europe.

A pressure balanced expansion joint accommodates axial and lateral movements and counteracts the bellows pressure thrust. An additional bellows is incorporated into the unit and is subject to the line pressure to generate a force equal and opposite to that on the main bellows. Tying these bellows together neutralises the pressure load on the unit.

Highlight of the Expansion Joint supplied:

  • Type Elbow Pressure Balanced MPB-E Series
  • Size 400 / Length 2000 mm
  • Design Pressure 13 barg
  • Test Pressure 19.5 barg
  • Temp. /Min. Temp 300/20 °C
  • CE Marking Module H - European Pressure Equipment Directive 2014/68/EU
  • Bellows design code EJMA
  • Production standard ASME VIII Div.1
  • Material certificates according to EN 10204-3.1
  • VT - Visual inspection of welds acc. to ASME V
  • Dimensional control
  • 100% LPT - Liquid penetrant test on bellows longitudinal welds
  • 100% LPT - Liquid penetrant test on longitudinal welds of pipe/shell
  • 100% LPT - Liquid penetrant test on welds between bellows and ends
  • 100% RT - Radiographic test on longitudinal welds of bellows
  • 100% RT - Radiographic test on longitudinal welds of pipe/shell
  • Hydrostatic pressure test (internal)