| 摘要 |
A filler spout comprising a tubular body having mounted therein a valve member extending in register with a valve seat, and a secondary shutter disposed downstream from the valve member and connected thereto, the body including a constriction in register with the secondary shutter, an internal magnetic actuator element being connected to the valve member and being associated with external actuator means arranged to move the internal element between a position in which the valve member is closed and a position in which the valve member is open, wherein the internal actuator element is mounted between the valve member and the secondary shutter, and the tubular body includes means giving access to the internal actuator element.
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