Fully welded ball valve, standard model, regularly available in the sizes up to DN 80 (3”) full bore or to DN 100 (4”x3”) reduced bore (bigger diameters on request), PN 10÷50 or ANSI 150-300, in carbon steel with floating ball in stainless steel or nickel plated carbon steel, with handle or operating square, with socket welding ends, with threaded ends (GAS/BSP or NPT thread) or with combined ends (one welding end and one threaded end or one butt welding end and one flanged UNI EN 1092 PN 10÷50 or ANSI/ASME B16.5 class 150-300).