FIELD: machine building.
SUBSTANCE: invention relates to the field of technology related to the matching of colors for paints, in particular to a control valve for ensuring the outflow of the coloring paste. Control valve includes a housing and a core located in the valve housing. Valve housing is provided with an inlet/outlet of a large pump, an inlet/outlet of a small pump, an inlet/outlet for a dye vessel and an outlet for dispensing a dye. Valve core, which is provided with a channel, is rotatable to allow the inlet/outlet of the large pump to be connected to the inlet/outlet of the small pump with the dye vessel or dispensed dye. There are three connection schemes. First one is located where the inlet/outlet ports of the large and small pumps are connected to the dye vessel. Both the inlet/outlet ports of the large and small pumps are connected to a dye vessel. These three connection methods are intended to be used individually or in combination. Second one is located where it is possible to separately dispense through the inlet/outlet of a large pump or dispense through both of the inlet/outlet of a large and small pump. Or the inlet/outlet of a large pump is connected to an outlet for dispensing a dye to effect a dispensed dispensing. Or, both of the inlet/outlet ports of the large and small pumps are connected to the outlet for dispensing the dye for dispensing the dispenser. Third one is located where it is possible to separate the dispensed through the inlet/outlet of the small pump. Or the inlet/outlet of a small pump is connected to an outlet for dispensing a dye to effect a dispensed dispensing. Control valve is compact.
EFFECT: ensures pump cleaning and prevents the dye from drying out and hardening in the pipe for the circulation of the dye and at the outlet for dispensing the dye.
8 cl, 31 dwg
