DOT Brake Line Compression Fittings

This precision-engineered brass steering elbow from the DOT air brake-nylon tubing fittings line enables directional changes in commercial vehicle air brake systems and pneumatic lines. Combining DOT-certified reliability, corrosion-resistant high-strength brass, and a compact 90° design, it optimizes space, maintains airtight seals, and withstands demanding applications.

DOT Air Brake Fittings

DOT brake line fittings secure connections in commercial vehicle air brake systems. These specialized fittings utilize compression technology to create leak-free seals on flexible nylon tubing, ensuring system integrity and reducing maintenance needs.

DOT Brake Line Fittings Application

1.Commercial Vehicle Air Brake Systems

• Use Case
  Routing brake lines at truck chassis cross-members (e.g., connecting nylon tubing to metal brake valve outlets).
• Function
  Prevents stress cracks by eliminating sharp nylon tube bends.
  Direct-thread connection to brake valves reduces leak points (no adapter needed).
• Installation Guidelines
  Align elbow angle with frame clearance (maintain ≥10mm tube-to-frame gap to avoid abrasion).
  Always tighten threaded ends with a torque wrench.

2.Construction Machinery Pneumatic Control

• Use Case
  Excavator boom/bucket articulation joints requiring dynamic line routing.
• Function
  360° rotatable design compensates for boom movement, reducing tube fatigue.
  Polished interior minimizes airflow noise and enhances valve response.
• Installation Guidelines
  Manually test elbow rotation post-installation to ensure smooth operation.
  Protect nylon tubing with abrasion-resistant sheathing where exposed.

DOT Air Brake Fittings Specification

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