Nozzle

It A nozzle device (10) for a Spraying machine, in particular an agricultural field sprayer, with one by a foreign power adjustable control element (54) for controlling the flow of a liquid spray from a spray line (8) through at least one channel (75, 76, 76 ', 76' ', 91, 110, 112, 114, 116) of the nozzle device (10) described.Around a control of a nozzle device to allow deploy without a permanent external energy supply for a control (54) to have to, it is proposed that the control element (54) such that after Adjusting the control member (54) in a control position of this dwells in this control position without external energy supply. Preferably, to the control element (54) as a ball valve or Slide valve.