The DN 9 quick coupling plug with external thread is a versatile and reliable solution designed for demanding industrial applications. Available in BSP, BSPT, NPT, and metric versions, with or without valve, it ensures maximum compatibility with a wide range of systems. With a 9 mm flow diameter, it delivers efficient performance under a working pressure of up to 15 bar. Engineered for durability, the plug operates flawlessly in extreme conditions, with a temperature range from -20°C to +200°C when equipped with viton sealing. Its robust construction combines a brass body and valve with a stainless steel spring, guaranteeing long-lasting resistance to wear and corrosion. Widely used for cooling injection molds and casting components made of plastics, aluminum, brass, and zinc alloys, it also proves highly effective in water circuits of cleaning machines, as well as in systems using hot oil or steam. This quick coupling plug is the ideal choice for industries seeking reliability, safety, and efficiency in fluid handling processes.