The invention relates to a valve for a container for dispensing pressurized fluid, the valve having a valve body which is mountable on a container lid, a closure member which is arranged in a passage provided in the valve body, a sealing arranged on the closure member and formed of at least one disc-shaped sealing lip and which, when the closure member is in a closing position relative to the valve body, abuts on a valve seat provided on the passage, and a holding device by which the closure member is displaceably arranged in the valve body and held in a closing position therein when it is in its normal position, at least one wear protection device being associated with the at least one sealing lip upstream with respect to the outflow direction of the fluid.