DOT Brass Male Adapter

DOT compression air brake fittings are specialized connectors that mechanically join nylon tubing to threaded components in commercial vehicle air brake systems. Male NPT adapters feature external tapered threads to directly interface with female-threaded valves, tanks, or regulators.

DOT Compression Air Brake Fitting

Material: Corrosion-resistant brass Thread Types: NPT, BSPP, Metric Temp Range: -60°C to +300°C (high-grade) Pressure Tolerance: 100 bar static / 50 bar dynamic Compliance: DOT FMVSS 121, SAE J1455

Leak-Proof Connections for Pneumatic and Hydraulic Systems

Dual-Function Design

• Sealing Mechanism Gap Elimination: Factory-applied sealant fills microscopic thread gaps during installation, creating a continuous barrier against leaks. Curing Reaction: Activates under pressure/air exposure to form elastic/rigid seals (anaerobic or moisture-cured).
• Locking Mechanism Vibration Resistance: Cured sealant increases thread friction by 40%, preventing loosening. Stress Distribution: Evenly disperses load across threads, extending joint lifespan.

Advantages

• 100% Seal Reliability: Pre-coating eliminates leakage paths – even with worn/damaged threads.
• Installation Efficiency: No manual sealant application • Direct thread tightening • Saves 70% installation time.
• Vibration & Corrosion Protection: Prevents thread loosening in mobile equipment • Resists oils/fuels/chemicals.
• Lifecycle Economics: Reduces maintenance costs by 30% • Prevents over-application waste.

Advanced Material Properties

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DOT Air Brake Fittings Specification

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