Fully welded ball valve, firesafe model certified to the prescriptions of the standards API 6FA, ISO/FDIS 10497, API 607, available in the sizes up to DN 200 (8”) full bore or to DN 300 (12”x8”) reduced bore, PN 10÷50 or ANSI 150-300 (in the sizes up to DN 80-3” full bore or to DN 100-4”x3” reduced bore also PN 64-100 or ANSI 600), in carbon steel with floating ball in stainless steel or nickel plated carbon steel, with handle, operating square or fixed stem extension (see Optional devices and Operating devices), with butt welding ends.