High-Pressure Tire Valve Stems

1. Basic Introduction

High-pressure tire valve stems are specialized valves designed for tires with high inflation pressure (typically above 65 PSI/4.5 Bar). They are commonly used in:

• Heavy-duty trucks/semi-trailers (tire pressure can reach 100-120 PSI)
• Construction machinery (e.g., excavators, loaders)
• Military vehicles or off-road modified vehicles

2. Key Features

• Material:
  • Metal (brass/stainless steel): More resistant to high pressure and heat than standard rubber valve stems.
  • Reinforced rubber base (some hybrid designs).
• Structure:
  • Thickened sealing layer to prevent leaks under high pressure.
  • Dust cap (some with metal threads for enhanced sealing).
• Types:
  • TR-413 (Standard High Pressure): Universal fit for most trucks.
  • TR-414 (Ultra-High Pressure): Can withstand 150+ PSI, used for specialty vehicles.

3. Purchasing Considerations

• Match tire type: Ensure the valve stem’s pressure rating (marked as "High Pressure" or "HP").
• Installation method:
  • Rubber base: Requires a specialized tool for airtight installation.
  • Metal threaded type: Screws on directly for better stability.
• Maintenance tips:
  • Regularly check for leaks (soapy water test).
  • Avoid aggressive inflation to prevent core valve damage.

4. Common Issues

• Air leaks: Often caused by worn seals or improper installation—replace the entire valve stem.
• Clogged core valve: Dirt or frost may block airflow; clean using a valve core tool.

If you need specific model recommendations or installation guidance, please provide details (e.g., truck tire size or pressure requirements)!