Valve device

The invention relates to a valve device, in particular a lifting valve device, comprising a housing, a valve seat (6), a movable closing body (7), which can be brought into an open position during an opening movement and into a closed position during a closing movement, in which closed position the closing body (7) and the valve seat (6) are in sealing contact, the valve device has a piston (12) which can be acted upon by a pressure medium and which is accommodated in the cylinder (10). In order to improve hygienic properties, it is proposed that the cylinder (10) is part of the closing body (7). 本发明涉及一种阀装置，尤其是升降阀装置，所述阀装置具有壳体、阀座(6)、能运动的关闭体(7)，所述关闭体能够在打开运动中进入打开位置并且能够在关闭运动中进入关闭位置，在所述关闭位置中所述关闭体(7)和阀座(6)处于密封的接触，并且所述阀装置具有能用压力介质加载的活塞(12)，所述活塞容纳在缸体(10)中。为了改善卫生特性而提出，所述缸体(10)是所述关闭体(7)的一部分。