Technical description CEJN series 320. A universal compressed air coupling suitable for a wide range of various applications, including for all kinds of pneumatic tools in workshops and industry. It has a unique valve for high flows. Its popularity has made it the European standard. The connections are one-handed operated and have a long service life. External threads on The couplings and nipples have been pre-treated with thread sealing. Material Galvanized steel/brass Technical data Nominal flow diameter: 7.6 mm Airflow (l/min): 2100 l/min, measured at 6 bar pressure and 0.5 bar pressure drop Max. working pressure: 16 bar Min. burst pressure: 140 bar Connecting force : 70.7 Newtons Temperature range: -20°C — +100°C