摘要 |
<p>An automatic fire protection sprinkler assembly and a method of sealing includes a sprinkler frame having an inlet, an outlet, an internal passageway extending between the inlet and the outlet, and a sealing surface formed about the outlet. The assembly also includes a thermally responsive trigger and a seal assembly disposed between the sealing surface and the thermally responsive trigger. The seal assembly includes a body having an inner surface defining an internal chamber. The inner surface has a portion disposed relative to the sealing surface such that a fluid disposed in the internal chamber and acting on the portion of the inner surface provides a sealing force in the direction of the sealing surface.</p> |