Sealing device applicable to the closing mechanisms of the valves or the like, characterized in that it essentially comprises the assembly constituted by a pair of independent sealing pieces, mounted in opposition to one another in relation to the other, the said pieces remaining freely supported tangentially to each other, by direct contact between their respective opposing back surfaces, each piece comprising a front sealing face arranged to be applied, in the manner of a wedge, against the corresponding seat surface, inclined and integral with the valve body, which constitutes one of the two mouths of the internal passage of the latter, said pair of pieces being held and actuated by another displaceable intermediate piece that surrounds the rear cores where both sealing pieces rest, leaving free play between these and the intermediate actuator. (Machine-translation by Google Translate, not legally binding)
展开▼
