Quick Coupling Plug Ks4-Ck-4 For Self-Closing Quick Coupling Connectors. Nominal Size=2,9 Mm, Operating Pressure Complete Temperature Range=-0,95 – 12 Bar, Standard Nominal Flow Rate=252 L/Min, Operating Medium=Compressed Air In Accordance With Iso8573-1:2010 [7:-:-], Note On Operating And Pilot Medium=Lubricated Operation Possible