| 摘要 |
In order to avoid spraying water into an automatic drinking trough spout comprising a tubular orifice 16 and a coaxial rod 24; 24.1; 24.4 used to actuate a seat valve 20, 22.1 whose seat, in the form of a sealing washer 20, is applied against the face of a flange 10.2, turned away from the free end 16.1 of the orifice 16, whilst allowing sufficient passage for the water, elements 24.1 and 24.4 of the rod having different diameters are situated in the axial zone of the washer 20 and in the axial zone upstream of the flange 10.2 of the orifice 16. Application in particular to automatic drinking troughs for livestock. <IMAGE>
|
