| 摘要 |
A spray gun, which is suited for spraying of abrasive media, and has a valve operable by means of a nozzle needle, which valve is arranged in the gun head near the nozzle opening, and has an operating and return device for the nozzle needle, has, in order for same to be self-cleaning and to be able to process also several components with abrasive material, a nozzle channel, which ends in the nozzle opening. The nozzle needle is movably supported in said nozzle channel. The nozzle channel has at least one bore laterally entering the nozzle channel and utilized to supply the media, which bore can be closed off by the nozzle needle, which has a diameter equal to a diameter of the nozzle channel. The length of the nozzle needle is chosen in such a manner that when the nozzle needle is in the resting state, it extends at least to the nozzle opening of the spray gun.
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