Method for changing paints in multicolor spraying installation has color selection valves within spray head unit to reduce purging time

摘要

The spray head unit (1) has multiple inlet hoses (2.N) from the paint reservoirs (5.N) and integral color selection valves (3.N) which, with the appropriate dosing unit (6.N), atomizer (17) and air supply (18), delivers a paint after which a cleaning process carried out.