Design: The compressed air steel couplings offer many advantages over standard brass couplings: easy one-handed operation with low coupling force, high flow rate with minimal pressure losses, durability due to surface-treated and hardened components with tight manufacturing tolerances, and cost-effectiveness with a payback period of no more than two years. The eSafe safety coupling complies with ISO standard 4414 and EN 983. It first vents and then uncouples (no whip effect). Flow rate: 4000 l/min, maximum operating pressure 16 bar. Material: galvanized steel / brass. Note: The CEJN Series 410 eSafe compressed air safety coupling (with venting function) complies with European standard 10.4 (nominal diameter 10.4 mm) and allows a flow rate of up to 4000 l/min.