The ISO-A hydraulic quick coupling plug with shut-off valve and external metric thread, designed for panel mounting, ensures reliable and efficient performance in demanding hydraulic systems. Engineered for use with hydraulic oil, it is widely applied in agricultural machinery, where it is commonly recognized as a “euro coupling.” Fully interchangeable with ISO-A quick couplings from other manufacturers, it offers maximum flexibility and compatibility in diverse applications. Manufactured from durable galvanized steel, the coupling guarantees long-lasting resistance to wear and corrosion, while the NBR sealing provides secure operation within a broad temperature range from -25°C to +100°C. With a working pressure capacity of up to 250 bar and a safety factor of 4:1, it delivers dependable performance even under high loads. The optimized design ensures efficient flow rates at Δp = 3 bar, making it a trusted solution for professionals seeking durability, safety, and seamless integration in hydraulic power systems.