Plate valve and method for operating same

An automatic plate valve comprising:

• a valve seat, a valve guard, a longitudinal axis (L) and a valve element arranged between the valve seat and the valve guard and movable back and forth in the direction of the longitudinal axis (L), wherein the valve seat comprises an end face having a plurality of valve seat openings oriented towards the valve guard, wherein the valve seat comprises a plurality of passages which have a fluid-conducting connection to the valve seat openings, wherein the valve element comprises at least one sealing element which has a sealing interaction with the valve seat openings, and wherein at least some of the passages have a different distance to the longitudinal axis (L) in a radial direction (R) to the longitudinal axis (L), wherein the end face of the valve seat comprises a plurality of grooved recesses, which form the valve seat openings on the end face, wherein the plurality of passages open into the same grooved recess, wherein the passages are fluidly connected to the same valve seat opening via the respective grooved recess, wherein at least some of the passages having the fluid-conducting connection to the same valve seat opening have different distances to the longitudinal axis (L).