Quick coupling plug KS4-1/4-A-R With non-return valve for self-closing quick coupling connectors on both sides Nominal size=8 mm, Operating pressure complete temperature range=-0,95 - 12 bar, Standard nominal flow rate=765 l/min, Operating medium=Compressed air in accordance with ISO8573-1:2010 [7:-:-], Note on operating and pilot medium=Lubricated operation possible