
Excellent Corrosion Resistance Nylon Tube Fitting Brass Fitting for Semi-Trailer Air Brake. Excellent Corrosion Resistance: Made of high-purity copper and durable metals for superior corrosion resistance. Precise Seal and Leak Prevention: Precise processing ensures tight threads and seals to prevent air pressure leakage. Easy Installation with Nylon Core: Equipped with a nylon pipe core; simple nut tightening achieves quick locking. Wide Specification Compatibility: Covers NPT1/4, 3/8' and other specs to seamlessly match various vehicle brake systems. ISO9000 Quality Assurance: Manufactured strictly in accordance with ISO9000 quality management system standards. Customizable OEM/ODM Support: Supports OEM and ODM customization for thread type, pressure, and applications. High Production Capacity: Capable of producing 500,000 pieces per year with advanced forging and machining.