摘要 |
<p>Priming valve device (1) for beverage machine comprising: a casing assembly (2) including a water inlet (6) a water outlet (7) and a drain and venting portion (5) for discharging water and/or air during priming, a valve assembly (3) associated with the casing assembly which comprises a valve member (9); wherein the same valve member (9) is moveable to a closed position of the water outlet, by elastic return, when the pressure in the inlet decreases under the elastic return pressure of the valve member.</p> |