Close-up of welded sheet-metal centrifugal impellers at LTi Metalltechnik

Photo: Mariusz Młynarczyk / CloudAir.tech

A line of backward-curved centrifugal impellers of increasing diameter, made from sheet metal, is shown on blue posts at the LTi Metalltechnik stand. Weld seams and clinched blade joints are visible on the shrouds, with the navy stand wall behind.