The screwed end fitting type S3 with external NPT thread, designed in compliance with EN 14424, is a reliable solution for connecting rubber and selected thermoplastic hoses reinforced with soft textile layers, without wire spirals. Engineered for demanding applications in the fuel industry, it ensures safe and efficient operation in fuel and gas distribution systems, including LPG installations. The standard version is manufactured entirely from high-quality brass, guaranteeing durability and resistance to wear, while an alternative option combines a stainless steel end fitting with a chrome-plated brass sleeve for enhanced performance and corrosion protection. With a working pressure of 16 bar (up to 25 bar for DN25) and an operating temperature range from -20°C to +65°C, or from -30°C to +70°C specifically for LPG, this fitting delivers dependable functionality even under challenging conditions. Its robust construction, precise thread sealing, and compliance with international standards make it an excellent choice for professionals seeking safety, reliability, and long-lasting performance in critical fuel transfer applications.