The screwed end fitting type S1 with internal BSP thread and flat gasket is a reliable and versatile solution designed in compliance with EN 14424, ensuring compatibility and safety in demanding applications. Engineered for use with rubber hoses and selected thermoplastic hoses reinforced with soft textile layers, it is particularly well-suited for the fuel industry, including fuel and gas distribution systems such as LPG lines. The standard version is manufactured entirely from high-quality brass, while alternative options include a chrome-plated brass variant for enhanced durability and aesthetics, as well as a hybrid version combining a stainless steel end with a chrome-plated brass sleeve for maximum resistance to wear and corrosion. Equipped with a polyurethane gasket, the fitting guarantees secure sealing and long-lasting performance under working pressures of up to 16 bar, and up to 25 bar for DN25 dimensions. Its robust construction ensures reliable operation within a wide temperature range, from -20°C to +65°C, and from -30°C to +70°C in LPG applications, making it an excellent choice for environments where safety, efficiency, and durability are essential. This fitting provides a professional-grade connection solution that meets the highest standards of quality and functionality, offering peace of mind in critical fuel handling operations.