OVERLAY AND HARDFACING 2 Recharging of special materials, overlay - cladding. 2 ASME procedures approved by DNV. 2 Refills by welding any type of parts for the Oil & Gas sector, Overlay, Cladding, Hard facing. 2 Forged or cast base materials of group 1, carbon steels. 2 Coatings of material by welding with special welding wires. WELDING OF tubes TO VALVE BODY 2 Welding of two tubes at the ends of the valves. 2 Welding joints to 100% of thickness. 2 Automatic process MIG / MAG (GMAW) or TIG (GTAW). 2 100% Inspection by RT Radiographs. 2 100% Inspection by Penetrant Liquids. 2 Level II certified inspectors. 2 Specific welding procedures for each batch of welding wire used, according to customer specifications. rings AND SEATS WELDING 2 Welding of the rings or seats inside the valves. 2 Positioned at 90º - 8º of inclination, or according to customer’s drawings. 2 MIG / MAG automatic process (GMAW). 2 100% Inspection by Penetrating Liquids. 2 Level II certified inspectors.