MADE IN U.S.A SINCE 1939

Pressure Protection Valve (with Internal Check Valve) – 140 Series

  • Commonly used to protect & isolate air brake system reservoirs, & the auxiliary air devices that connect to them for their source of air, in the event that one or the other fails
  • Valve closes at the nominal psi indicated below & opens at approximately 10 psi more than closing pressure.
  • Valves include an internal filter & positive one-way check valve.
  • Valve should be installed with vent facing downwards.
  • Complies with all regulations of FMVSS 121 & CMVSS 121
  • Dimensions: Height 2.52” – Width 1.13” – Depth 2.08” – Approximate Weight: .41 lbs. (see Weight Chart)
  • Air Piping Diagrams – See Technical / Air Piping Diagrams, multiple diagrams are applicable.
  • REPAIR KITS – See list of Repair Kits below.