Dürr has expanded its paint mixing systems product family by adding a solution for three-component fluids based on the tried-and-tested two-component injection technology.
Dürr has launched the new EcoDose 3K mixing system, which can be used wherever three components of a fluid need to be merged shortly before application. Three-component coating systems are popular in aviation, woodworking, and yacht and boat building.
The features of EcoDose 3K
The EcoDose 3K is based on the same inline injection technology as Dürr's two-component mixing system EcoDose 2K.
In an upgrade to the EcoDose 2K, a colour changer, a measuring cell, and a mixer have additionally been integrated into the system. The controller has also been enhanced to enable it to meter, merge, and mix all three components fully automatically shortly before they are used. This is done by monitoring the continuous flow of the first component using a measuring cell. The other components to be injected are metered as appropriate to the desired mixing ratio by opening and closing valves. The metering quantity is also monitored using measuring cells to ensure the correct mixing ratio is maintained.
To dose the third component, which requires particular precision and small amounts, as it usually determines viscosity, Dürr uses Coriolis measuring cell, which are maintenance-free, offer high measurement accuracy, and provide additional measurement functions, i.e. for density and temperature.
The EcoDose 3K meets the high precision requirements with proven Dürr valve technology that enables injections in particularly short cycles.
In addition, the valve design ensures that fluids cannot get into the valve's pilot air piston in normal operation, even in the event of minor leaks. This prevents undesired reactions with the moisture in the air. If maintenance is ever required, the valve can be quickly replaced by undoing four screws - which means that the system is ready to use again within just a few minutes.
Dürr's EcoDose 3K is complemented by a 7-inch colour touchscreen display, which operation is similar to Dürr's other controller-based products, making it easy to use. The standard delivery contents also include an Ethernet communication interface that can be integrated into the particular controller landscape. The mixing system also has smart functions to minimize both detergent consumption and fluid loss, and to reduce the time required for rinsing and loading a new medium.