Spray painting and air control device for a spray painting system

The invention relates to spray painting system (1) comprising a paint spray system (2), an air compressor (3), a pressure air duct (4) and an air control means (5), wherein the paint spray system (2) comprises a spray nozzle (9), wherein the compressed air generator (3) comprises a fan (15), said compressed air channel (4) connects the fan to the spray nozzle (9), said air control means (5) includes a throttle means (18) and said air control means (5) in the course of the pressure air duct ( 4) is arranged. Here, the air control means (5) comprises an outlet (19), wherein a decreasing an opening cross section (A18) of the throttle device (18) bumper slush to an increasing an opening cross-section (A19) leads to the outlet (19) and vice versa, wherein the in individual positions throttling means (18) and the outlet (19) existing opening cross sections (A18, A19) are matched to one another such that a to the fan (15) generated dynamic pressure (PS) in the various open positions (A18, A19) of the throttle device (18) and the outlet means (19) remains constant.