Large Size Pressure Balanced Expansion Joint for Waste to Energy Plant in Switzerland
We have successfully designed, manufactured and tested a DN 3500 Pressure Balanced Expansion Joint for a large waste recycling plant in Switzerland. The plant undertakes to dispose of, treat or recycle combustible waste in an economical and environmentally friendly manner the residues from 178 municipalities in the cantons of Bern and Solothurn with a total of 507.300 inhabitants. It is also the largest electricity producer in the region and generates most of the electrical energy in Switzerland from the waste it receives.
Highlights of the Expansion Joints supplied:
- Elbow Pressure Balanced MPB-E Series
- Size: DN 3500 mm (138”)
- Design Pressure: 0.49 BARg/F.V.
- Design Temperature: 120 °C
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.