| 摘要 |
Opening for hydromassage baths. The object of the invention is to achieve a total drainage opening when the bath is emptied, and at the same time to simplify said opening. To this end, near to the pressure water pipe there is installed a ball-type valve device which communicates laterally with said pipe and on top with the mouth of the opening, in such a way that the valve is closed by the pressure of the water and when said pressure stops the valve opens by gravity. Also characteristic is the fact that adjustable and elastic retention of the ball follower, through which the water-air mixture exits, is obtained by means of a single piece formed by the opening and including elastic fingers which apply pressure to said ball follower. <IMAGE>
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