Patent ID: 6892764

Claim:
A color shade changing unit module for a painting installation, comprising: a generally parallelepiped-shaped part; a bore formed in the part; a central channel into which the bore converges, the channel being perpendicular to end faces of the module; a valve housed in the bore, the valve including a closing element a chamber formed in the part; a paint feed channel and a paint return channel leading into the chamber, and leading out onto a side face of the module generally opposite from a wall in which the bores is formed, the closing element of the valve being designed, depending on a position of the closing element, to isolate, or to connect the central channel and the paint feed and paint return channels; external pipes; connectors which connect the paint feed and paint return channels to the external pipes, each connector comprising: an externally threaded first, smaller-diameter part designed to screw into the external pipe; and a second, larger-diameter part surrounded by at least one seal and designed to fit leaktightly into a well formed in the module, the bottom of which leads into the respective paint feed and paint return channels; wherein the smaller-diameter part of the connector is angled.