The quick coupling plug with internal BSP or NPT thread (available in sizes from 3/16″ to 1″) is equipped with a valve and designed for reliable performance with gas media, while also offering versatile use in hydraulic systems with hydraulic oil. Its robust construction makes it equally effective in demanding industrial applications involving water, steam, fuels, oils, or various chemicals. Fully interchangeable with ISO-B quick couplings from other manufacturers, it ensures seamless integration into existing systems and guarantees operational flexibility. With a working pressure of up to 345 bar, depending on the coupling size, and a safety factor of 4:1, it delivers maximum reliability even under extreme conditions. Manufactured from high-quality carbon steel with a galvanized finish, the plug offers excellent durability and resistance to wear, while the NBR sealing ensures secure and leak-free connections. Designed to operate in a wide temperature range from -40°C to +121°C, this coupling plug provides consistent performance across diverse environments, making it a dependable solution for industries seeking efficiency, safety, and long-lasting quality.