| 摘要 |
<p>A valve for use in a closed transfer system for agricultural chemicals and the like comprising a housing ( 26 ) for engagement with a neck of a container and a stem ( 15 ) with inlet ports ( 18 ) to allow flow of liquid therethrough into the container, there being a spring loaded seal ( 21 ) movable between respective open and closed positions where it allows or prevents flow through said inlet ports ( 18 ), the seal being movable to its open position by a coupler ( 100 ) affixed to the housing, in use, and there being a liquid flushing arrangement ( 27, 28, 29 ) for introducing flushing liquid into the container when the seal ( 21 ) is in its open position. In an alternative arrangement the coupler is engageable with a slidable part ( 35 ) of the housing ( 30 ) to compensate for restricted headroom above the container neck.</p> |
