A clean-in-place device for a milk conveying system. The milk conveying system comprises at least two separate areas A, B with surfaces difficult to clean. The clean-in-place device comprises a steam source 24, steam passages 25, 26 extending between the steam source 24 and a respective outlet opening 25a, 26a from which it is possible to supply steam to the areas A, B of the milk conveying system and control means 7, 27 adapted to control the supply of steam from the steam source 24 to the areas A, B of the milk conveying system.
