HQ WSC quick coupling plug, screw-on, with a valve with internal NPT thread for use in hydraulic vehicle systems. The body made of brass ensures excellent resistance to changing weather conditions. The valve design ensures minimal medium leakage and air inclusion during connection and disconnection. The plug sleeve equipped with butterfly handles allows for very quick and easy connection and disconnection of the quick coupling without the need for tools. It is permissible to screw the quick coupling under residual pressure up to 50 bar (static pressure remaining in the system after the drive is turned off). Material: brass (body), galvanized steel (plug sleeve). Sealing: NBR. Operating temperature: from -40°C to +106°C. Working pressure: up to 210 bar (depending on size). Flow is given for a pressure drop of 3 bar.