Air Brake Retaining Valve (brass)
Air Brake Retaining Valve (composite)
Air Brake Retaining Valve (brass)
Air Brake Retaining Valve (composite)

Three-Position Retaining Valves

Manually operated valve used to control brake cylinder air pressure during a brake release by allowing pressure to exhaust and retaining brake cylinder pressure while the system recharges.

  • Three-position, manually operated valve allows either direct air flow from brake cylinder on a brake release or retains air in brake cylinder on a release, depending on the position of the handle
  • Compliant with AAR specification S-446
  • Available in brass or composite
  • Floor and suspension mounting options

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Wabtec Freight Car Components & Services


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