| 主权项 |
1. A liquid dispenser for discharging pharmaceutical liquids, having
a housing, an outlet opening and an outlet valve assigned to the outlet opening, wherein the outlet valve comprises: a valve opening and a valve pin, the valve pin closing the valve opening in a closed position of the outlet valve and releasing the valve opening in an open position of the outlet valve, a valve body, which has either the valve pin or the valve opening and which is displaceable at least partially with respect to the housing of the liquid dispenser in order to thereby make it possible to transfer the outlet valve between the closed position and the open position, a pressure chamber, which is arranged upstream of the valve opening and is delimited to one side by a valve plate of the valve body, the valve body being displaceable at least in portions by means of the application of pressure at the valve plate by liquid in the pressure chamber, such that the valve pin and the valve opening are thereby displaced against one another,whereinat least one portion of the valve plate which is in contact with liquid in the pressure chamber consists of a valve plate material which is a plastic produced using metallocenes as catalysts. |
