Brake Proportioning/Combination Valve

• Description and Operation
  • Without ABS
    • Description
    • Operation During Normal Conditions
    • Operation In Case of Circuit Failure
      • Failure of Primary Circuit
      • Failure of Secondary Circuit
  • With ABS
    • Description
    • Operation
• Service and Repair
• Specifications
  • Mechanical Specifications
  • Pressure, Vacuum and Temperature Specifications