From the storage area to the hood

Achieving the perfect paint job starts with addressing paint application requirements early in the material supply stage. System parameters such as pressure, volume flow, flow speeds and temperature must be precise to ensure the paint has the correct consistency. Dürr ensures its systems are designed to handle paint with exceptional care, minimizing shear stress during delivery. Additionally, the supply systems are designed to reduce dead space as much as possible. For example, specialized fittings and ball valves are used to eliminate areas of stagnation where paint can settle. This prevents issues such as unregulated detachment of settled paint, which in the worst case could result in defects in the final coating.

From standardized paint supply systems, which Dürr provides as technically refined and well-designed products with numerous, cost-effective options, to specialized solutions, Dürr ensures flexibility when customization is required. For customers with unique material supply needs, Dürr offers tailored solutions to meet those specific requirements. Ring pipe systems are particularly efficient when only a few colors are used repeatedly, as they enable color changes with minimal paint loss and purging agent consumption. With the increasing variety of colors used in the automotive industry, particularly for utility vehicles and plastic parts, it’s no longer uncommon to use over 100 different colors. Frequent color changes require flexible, specialized paint systems, such as Dürr's EcoSupply P. This standardized, modular paint supply system with pigging technology can be used for both water-based and solvent-based paint applications. The increasing variety of colors is not only due to special colors applied using pigging systems but also because of colors needed for small batches or standard colors used less frequently. EcoSupply P helps reduce paint loss and purging agent consumption while supporting very short color change times in the supply systems.

Dürr always implements its material supply systems with energy-efficiency and low-maintenance in mind, both from a process and economic perspective. This includes material-friendly paint delivery to ensure a long paint shelf life and a perfect paint job. The company also focuses on a key aspect of sustainability: reducing energy consumption. By controlling paint supply systems according to requirements, energy savings of up to 85% over conventional paint supply systems are possible. A real-world example: for vehicles, a variety of colors are available in the color changer. When certain colors are not required, the paint supply system can reduce volume flow and delivery pressure, leading to significant energy savings. Regardless of whether the energy comes from compressed air or electrical sources, the system optimizes usage based on demand, ensuring efficiency regardless of the energy source.

Dürr offers its customers comprehensive service, from well-designed paint delivery and paint application concepts to complete visual representation in 3D project models, as well as installation and commissioning. To keep the installation time on-site to an absolute minimum, Dürr sets up the individual systems for all large paint supply systems in advance at its sites in Bietigheim-Bissingen, Querétaro (Mexico), and Shanghai (China). The pre-installed supply and waste disposal systems are then delivered to the customer, the piping systems are connected and the system is put into operation.