2013 - Tenaris - Romania – Calarasi plant De-dusting plant extension for primary and secondary flue gas coming from EAF 80 tons. Turn key supply of new de-dusting plant: Primary water cooled duct in pipe to pipe execution, dampers, natural hairpin cooler, secondary hood, secondary ducts, Bag filter "pulse jet type" (capacity 1.050.000 m3/h), I.D. fans, dust transport and storage system, dust pelletizer, stack.