Seal type for sealing rotating areas based on a gap seal whereby the pressure energy is dissipated when a suitable surface is formed in the interplay between vortex formation and flow resistance (Figure L 2 a). Threaded shaft seals are another form of labyrinth gap seal (b).
![7f08e22aa28efd5a50ce6e3f7f6f5c05a920e0e5 0001_labyrinthspaltdichtung.gif](/fileadmin/smc/files/7f08e22aa28efd5a50ce6e3f7f6f5c05a920e0e5.gif)
Figure L 2: Labyrinth gap seal