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IR & Haldex information

Colas Valve

The COLAS® Valve can be used to manually raise and lower the deck height of commercial vehicles and trailers. The COLAS® Valve takes the place of current systems which require multiple components, fittings and plumbing. An optional automatic reset feature is available with the COLAS® Valve. This feature prevents an operator from moving a vehicle while the valve is in use. The COLAS® Valve will reset and allow normal operation of the air suspension system. COLAS® Hand Control Valve.

Key benefits:

  • High air flow for quick response
  • Dead man´s function
  • RoRo-function (Roll-on, Roll-off)
  • RtR-function (automatic reset to ride height)
  • Optional integration of test point (ISO 3583)
  • Application in conjunction with both ABS & EBS

What sets us apart:

  • Well proven and robust design.
  • Industry Standard since many years


  • DIN Bayonet connection, flat contact, without solenoid.
  • Dual and Single circuit applications
  • Optional integration of test point (ISO 3583)


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