Zhejiang Yijia Hydraulic Machinery

DOT Air Brake Fittings Copper Tubing are designed for use in heavy-duty vehicle braking systems, meeting the strict safety standards set by the U.S. Department of Transportation (DOT). The copper tubing offers excellent corrosion resistance, durability, and flexibility, making it ideal for high-pressure air brake applications. Paired with precision-engineered brass or steel fittings, these assemblies ensure a secure, leak-free connection. Commonly used in trucks, trailers, and buses, DOT-approved copper tubing air brake fittings provide reliable performance, easy installation, and long service life under demanding road conditions.