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Fill limit vent valve

Eaton’s Fill Limit Vent Valves (FLVV) prevents overfilling of the tank during a refueling event. Once the fuel tank has reached its maximum fill level the FLVV will close. Throughout the refueling event fuel vapor can escape through the FLVV to the canister.


Mid Permeation Technology
<15mg HC/day
Low Permeation Technology
<8mg HC/day


  • Internal and external mounting
  • Various low and high shut-off heights
  • Very low leak (< 0.05 ccm)
  • High slosh venting capacity
  • Monolayer option available

Engineering Capabilities

Eaton's world class engineering and design expertise are leading the way in developing innovative and highly efficient fuel emissions controls. Dedication to system optimization has achieved a quality control rating of less than 2 PPM (parts per million).