The Buttweld u bends are also critical elements in an industrial network of piping in which fluid flow needs to travel in a reversed direction without affecting the structural integrity. These fittings are largely applicable in heat exchangers, boilers, condensers, offshore platforms and refinery pipelines. The curved geometry ensures that there is a smooth transition of the flow and that the thickness of the walls remains constant at the bend. In high pressure and high temperature settings, dimensional stability and confirmed values of weight have a direct impact on safety and reliability.