Automatic plate valve

摘要

The valve plate (3) is fixed at its outer edge (6), with little play, between the valve seat (1) and the catcher (2), the area of the valve plate (3) further towards the inside being capable of deforming like a Belleville spring during the stroke. The possible stroke of the valve plate (3), which is determined by the respective spacing between the valve seat (1) and the catcher (2), is thus virtually zero at the outer, fixed edge (6) and increases towards the axis (7) of the plate valve. Because the outer edge (6) of the valve plate (3) is fixed, edge fractures caused by wobbling of the valve plate can be eliminated and, in addition, the valve plate (3) is guided in an advantageous manner. <IMAGE>