Gas ball valves of series SF can be supplied with thread or flange connections are suitable to shut-off gas belonging to the first, second and third family and also liquid gas. The are CE certified according to norm EN331 for the thread version and according to norm EN13774 for the flanged version.They are available from Rp1/4” to 2”, full bore or reduced bore, with thread connection according to ISO 7/1 and flanged from DN15 to DN250 according to norm EN1092-2, PN16. They are equipped with yellow colour for manual operation and on request they can be motorized with electric or pneumatic actuator. Material of construction of this valve come in option of brass, stainless steel or cast iron, 2 or 3 piece design, flanges, thread or weld-on connection and 2 or 2 port design.