| 摘要 |
<p>This invention refers to a valve for high pressure bottles with devices for maintaining a residual pressure on emptying which comprises a body fitted with a spigot for coupling to a bottle and to a distribution outlet. Associated with the abovementioned body is a knob for actuating an obturator which controls the communication between the spigot and the outlet. The peculiarity of the invention consists of the fact that it comprises means on said obturator for maintaining a residual pressure when the bottle is emptied and means for limiting the opening of the obturator interlocked with a guarantee seal which can be torn with the passage of the obturator from the open position to the bottle filling position. <IMAGE></p> |
