Combination type toroidal gasket for ball valve

Composite toroidal gasket for ball valves, of those intended to be used in particular but not exclusively in ball valves, characterized by being made from an annular support (2) made of PTFE, associated with a gasket (7) made of elastomer or of another appropriate material, said gasket (7) being linked to the support by means of cementation. two. Composite toroidal gasket for ball valves, according to the first claim, characterized in that the support (2) is made up of two sections, one vertical (3) and one horizontal section (4), which define a groove (5) provided with a tooth (6) for the forced accommodation of the elastomer gasket (7).