InstallationItem no. 10302204, Revision 0024 ( 40 )8.2 Diameter of media supply lineÜ The nominal size of the media supply lines can be found in the followingtable:DN Medium D1 D22.8 Compressed air 2.8 mm 7/64" 4 mm 5/32"4 Compressed air 4 mm 5/32" 6 mm 15/64"6 Compressed air 6 mm 15/64" 8 mm 5/16"8.3 Compressed air8.3.1 Air purity classes (ISO 8573-1)Solid impurities Class 3Filter grade at least 5 μm for solidsWater content Class 4Max. pressure dew point +3 °CTotal oil content Class 3Max. oil content 1 mg/m3