This coating product spraying bowl (6) is intended to be integrated into a rotary coating product sprayer (2) which comprises a turbine for driving the bowl in rotation about an axis of rotation (X8) and a body (8) which defines the axis of rotation (X8) and which comprises orifices (82) for ejecting conformation air formed in a ring (88). This bowl (6) comprises a body (60) centered on an axis (X6) and which defines an internal radial surface (61) for distributing the coating product up to a spraying edge (63), as well as a surface external radial (65). The external radial surface (65) of the bowl is provided with a deflector (66) designed to direct (F4), at least partially, towards the crown (88) of the body, a flow (F2) of cleaning product which circulates the along this external radial surface, in the direction of the spraying edge (63).
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