
Durable Straight Coupling Brass Brake Pipe Fitting for Semi-Trailer Air Brake. High-Quality Brass Material: Made of high-purity copper and durable metals for excellent corrosion resistance. ISO9000 Quality Standard: Manufactured strictly in accordance with ISO9000 quality management system standards. OEM and ODM Support: Provides customized mechanical accessories to meet specific customer needs. 24-Month Warranty: Brass products are covered by a 24-month warranty for non-human damage. Precise Thread Processing: Features precise threads and tight seals to prevent air pressure leakage. Easy Installation: Equipped with nylon pipe core for quick tightening without pipe pre-treatment. High Pressure Capacity: Designed to withstand maximum pressure of 16 bar.