| 摘要 |
<p>There is provided a feed valve (1) for a flush tank of the type having an inlet conduit (3) connected to a water mains, and an outlet conduit (5) having, at respective opposite axial ends (11, 12), a water outflow opening (13) and a relief opening (14); an auxiliary valve (40) is associated with the relief opening (14) to selectively open and close the relief opening alongside a variation in the pressure and/or level of the water in the outlet conduit (5). <IMAGE></p> |
