The quick-connect socket series 21KB in Eurostandard DN5 (MINI) with hose end is a compact, high-performance solution designed for demanding industrial applications where space is limited but efficiency is crucial. Featuring a double shut-off system with integrated valves in both the socket and the plug, it ensures secure and leak-free connections, while preventing compatibility with single shut-off versions. Engineered for one-handed operation, it combines user convenience with reliable performance. Delivering an impressive flow rate of 170 l/min for air at 6 bar and 3.2 l/min for water, it guarantees high flow efficiency with minimal pressure drop. Built to withstand working pressures up to 35 bar, the socket is manufactured from durable brass with stainless steel springs and balls, ensuring long-lasting resistance to wear and corrosion. NBR sealing provides dependable tightness, while the wide operating temperature range from -20°C to +100°C makes it suitable for diverse environments. This robust and versatile connector is the ideal choice for industries seeking compact dimensions, maximum reliability, and superior flow performance.