Device for dosing liquid

Device for dosing liquid from a liquid intake (2), wherein the liquid intake (2) comprises an outlet valve (1), wherein, a dosing system is provided, wherein the dosing system comprises a first actuating blade (4) and a second actuating blade (5) which are arranged around the liquid intake (2) and can be moved relative to one another in a compressive manner, wherein the first actuating blade (4) has a first pressure piston (28) and the second actuating blade (5) has a second pressure piston (32), wherein an output chamber (27) is arranged so as to be able to be compressed by the first and second pressure pistons (28, 32) which are movably mounted relative to one another and arranged in opposition to each other, and the first and second pressure pistons (28, 32) are resettably arranged by at least one spring element (34, 39, 39.1), wherein each of the first pressure piston (28) and the second pressure piston (32) comprises a plunger (29, 29.1), a rod end (30, 30.1) mounted to one of the first blade (4) and the second blade (5), and a spring element of the at least one spring element, and further comprising a valve clip (25) for securing the valve (1) to the liquid intake (2), wherein the valve clip (25) comprises openings (26.1, 26.2) allowing communication between the liquid intake (2) and the output chamber (27) when the first and second pressure pistons (28, 32) are in an open position.