The quick coupling socket with hose end, available with or without a shut-off valve, is designed for maximum efficiency and reliability in demanding environments. Manufactured from UV-resistant polysulfone and sealed with durable EPDM, it ensures long-lasting performance even under extreme conditions, withstanding pressures up to 8.6 bar and operating temperatures from -40°C to +138°C. Unlike traditional heavy couplings with balls and protective sleeves, this lightweight solution offers exceptional ease of handling, enhanced by its ergonomic design and large disconnect button for effortless operation. The high-performance valve guarantees excellent flow capacity with minimal leakage, while the ability to allow slight hose rotations prevents twisting and accidental disconnections, ensuring uninterrupted workflow. Its robust mechanical strength and outstanding chemical resistance make it ideal for a wide range of applications, including chemical and photographic processes, battery and accumulator filling systems, sprayers, pneumatic installations, and non-freezing liquid distribution. Autoclavable for added versatility, this coupling socket combines safety, durability, and user comfort, making it a superior choice for professionals seeking reliable connections in both industrial and laboratory settings.