Abstract: A liquid cooled nozzle for emitting a medium has a housing with a coolant inflow chamber having a first side wall for attachment to a coolant inflow pipe, and a coolant outflow chamber having a second side wall for attachment to a coolant outflow pipe and a base merging with the second side wall. The second wall is spaced from and surrounds the first wall, and the said base is spaced from the coolant inflow chamber and is beneath the coolant inflow chamber. At least two supply ports are provided for conducting the medium through the nozzle, the supply ports being laterally spaced from one another to define a central axis between the ports and extending through the coolant inflow chamber, the coolant outflow chamber and the base. At least one deflector is located between adjacent supply ports and terminates at a central passage extending from the coolant inflow chamber to the coolant outflow chamber.