Nozzle arrangement for a spray gun

A nozzle arrangement for a paint spray gun comprising:

• a paint nozzle;
• and
• one air cap,
• wherein the paint spray gun is a compressed air paint spray gun in which air atomizes a material to be sprayed,
• wherein the paint nozzle has at least one outlet opening for the material to be sprayed,
• wherein the air cap has at least one central opening which is delimited by at least one wall,
• wherein a front part of the paint nozzle has at least one internal face, one external face, and one end face that is adjacent to the external face,
• wherein the at least one wall conjointly with a portion of the external face of the paint nozzle forms a gap in the radial direction,
• wherein the end face of the paint nozzle in relation to the portion of the external face of the paint nozzle that forms the gap at least in portions encloses an angle of more than 90°,
• wherein a portion of the end face of the paint nozzle is concave, the concave portion of the end face of the paint nozzle being an annular concave portion that completely encircles the outlet opening of the paint nozzle,
• wherein a region of the end face is between the concave portion of the end face and the internal face of the paint nozzle, this region being a straight face or a chamfer, and
• wherein the concave portion of the end face extends beyond the air cap.