The quick coupling plug with hose end, designed without a valve, is an efficient and reliable solution for industrial applications requiring precise temperature control, such as cooling injection molds or casting components made of plastics and aluminum, as well as for transferring hot oil. Its user-friendly design allows effortless one-hand operation, ensuring speed and convenience in demanding production environments. Available in straight, 90°, and 45° geometries, the plug adapts easily to different installation requirements, offering flexibility and optimized workflow. With flow diameters of 8.3 mm in series 100.08 and 13 mm in series 100.12, it guarantees consistent performance under a working pressure of up to 10 bar. The plug is engineered to withstand operating temperatures ranging from -20°C to +100°C, thanks to durable NBR sealing. High-quality materials, including nickel-plated brass for the connection, sleeve, and plug, as well as stainless steel for the spring, ring, and balls, ensure long-lasting resistance to wear, corrosion, and demanding operating conditions. This combination of robust construction, ergonomic handling, and versatile configurations makes the coupling plug an ideal choice for industries seeking efficiency, safety, and reliability in their cooling and fluid transfer processes.