The two-sided shut-off quick coupling plug series 25 DN 7.4 with internal BSP thread is designed for demanding applications where reliability and efficiency are essential. Its solid brass construction, combined with a precision-engineered ULTRA-FLO valve, guarantees excellent sealing and an exceptionally high flow coefficient, ensuring smooth and uninterrupted operation. With a working pressure of up to 35 bar and an impressive flow rate of 780 l/min (Pe=6 bar, Δp=0.5 bar, air), this coupling is perfectly suited for laboratory equipment, liquid and gas sampling, as well as pneumatic tools. The use of durable materials such as brass for the plug and valve, AISI 301 steel for the spring, and NBR sealing elements provides long-lasting performance even under intensive use. Designed to operate in a wide temperature range from -20°C to +100°C, depending on the medium, it offers versatility and reliability across various industrial and laboratory environments. This quick coupling plug combines robust engineering with high efficiency, making it an ideal solution for professionals seeking durability, safety, and maximum performance.