Valve arrangement for liquid-conveying pipeline in heating and air-conditioning technology, has opening with region comprising breadth smaller than dimension of valve rod, and another region with breadth larger than dimension of rod

摘要

The arrangement (10) has a locking element (42) i.e. plate, for detachable locking into a groove (32). The groove is provided on a valve rod (22) of a spring free valve, and the element is clamped and provided on a control device (12). The element has an opening, and the rod is guided through the opening. The opening comprises a region and another region connected with the former region without tapering. The former region comprises a breadth, which is smaller than a dimension of the rod, and the latter region comprises a breadth, which is larger than the dimension of the rod.