The applications of the metal meshes produced by GKD – Gebr. Kufferath AG range from microfilters for inkjet printers to automotive filtration, and from process belt mesh for dryers and ovens to challenging architectural projects. The company is based in Düren, Germany, and is the world‘s leading technical weaver. A compressor station on the factory roof was an innovative solution to the growing demand in production for compressed air – and also delivered significant energy savings.
The final design was for a central compressed air station with three regulated speed screw compressors, each generating 13.5 m3 Paul Oliver Peuster, HPS Sales Manager: "The required volume can be provided by one or two machines - the third has been installed for redundancy and to provide capacity in the future." The three L 75 RS oil-injected compressors from the CompAir range excel thanks to low servicing costs and excellent efficiency.
The compressor stage with its innovative screw geometry is manufactured in the modern CompAir factory in Simmern/ Hunsrück. It has the unique advantage of effective compression at low speeds, which reduces energy costs and makes for very attractive life-cycle costs. The energy-saving electric motors also contribute to low operating costs. The regulated speed drive system (converter) adjusts the generated volume of air to the actual consumption profile. The innovative DELCOS XL touch screen controller means that all operating parameters can be monitored efficiently and demand and supply can be constantly adapted for all three compressors. On the factory side, a base load selector is installed in the master compressor, connected to the slaves via a bus line. An additional higher- level compressor controller is therefore not required.
If more compressed air is required than one compressor can supply, the next compressor in series automatically switches on. The compressors then run at the same, optimised speed.
A further plus point of the CompAir L series is the modular design, which delivers very compact dimensions. This advantage was decisive for the GKD compressed air station, as HPS and GKD charted new territory in the search for the best installation point.