| 摘要 |
<p>The valve upper section has an operating element (6) with a valve element (7) on the lower end protruding from the valve housing. The upper section (20) of the housing is detachably connected to the lower section (22) of the housing, and a sealing element (24) is installed between the upper and lower sections. In an optional operating position of the operating element, a passage (25) up to the underside of the sealing element is provided between the operating element and the lower section of the housing.</p> |
