Filling machine for hot filling

A filling machine for hot filling of containers with liquids, the filling machine comprises:

• a line for feeding the containers to be filled to at least one supporting plate and a line for unloading the filled container from said supporting plate, above said at least one supporting plate is a filling head associated with a respective valve assembly adapted to convey the liquid from a containment tank into the container to be filled, said valve assembly being associated with a feeder conduit which is internally hollow and is associated with a suction conduit provided with at least one suction inlet configured to determine the level of the liquid inside said container, said feeder conduit being functionally associated with a flow control element, wherein said filling head comprises a sealing element which has a first sealing body configured to engage hermetically against the upper edge of said container and is associated with a vent adapted to pass between a position for sealing a chamber for passing liquid from said supply feeder conduit toward said container and a position for venting in which at least one port is defined for the passage of air from said chamber for passing liquid toward the outside, means being provided for actuating the suction of the liquid from said container by way of said suction conduit which are functionally associated with a device configured for activating said vent from said position for sealing to said position for venting.