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The seal is obtained by the radial compression of the rubber ring, obtained at the time of assembly, by the simple insertion of the spike in the case.
Guaranteed by compression of the elastomer on the walls of the tube thanks to the internal pressure of the fluid.
The important angular deviation that the board supports, gives great flexibility to the design and installation, allowing the elimination of special parts; And the axial play allows you to adsorb the dilation of small amplitudes. The angular deviation and the game in length guarantee an excellent behaviour in case of movement of the terrain or of undermining.

DN 80 a 600 mm/ 6 m useful.
DN 700 a 1200 mm / 6 o 7 m useful.
DN 1400 a 2000 mm / 8m useful.



