| 摘要 |
The invention relates to a polyvalent valve for fire extinguishers, comprising a head (1) with an inner chamber (2), a first mouth (3) for coupling to the container (20), a second outlet mouth (4) for connecting to a nozzle or hose for spraying the extinguishing product, means for intercommunication between said two mouths, and a third mouth (7). The intercommunication means are formed by an obturator (8) that opens and closes the passage through the first mouth (3) coupling to the container (20) for the extinguishing product. The valve comprises driving means connected to the third mouth (7) and formed by a core (9) which is mounted in the inner chamber (2) through the third mouth (7), is axially mobile, and connected to the obturator (8) such that it actuates same when it is axially moved, opening and closing the passage through the first mouth (3). |
