Quick coupling socket KDS6-1/2-I Self-closing, for safety coupling per ISO 4414 Nominal size=7,2 mm, Operating pressure complete temperature range=-0,5 - 12 bar, Standard nominal flow rate=1782 l/min, Operating medium=Compressed air in accordance with ISO8573-1:2010 [7:-:-], Note on operating and pilot medium=Lubricated operation possible