Pressure Balanced Expansion Joints for Assiut Supercritical Power Station

Two Elbow Pressure Balanced DN 2000 (80”) and 6530 mm (257”) long have been successfully designed, manufactured, tested and shipped for a Assiut Supercritical Power Plant 1x650 MW Steam Power Station in Egypt.

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.