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Grade vent valves (GVV)

Eaton's portfolio of Grade vent valves (GVV) allow fuel tanks to vent properly when the vehicle is parked on a grade. With various mounting configurations and permeation levels available, Eaton has a solution to meet or exceed industry standards. 

Mid Perm Technology
<12mg HC/day
Low Perm Technology
<5mg HC/day


  • Internal flange or weld mounting
  • Various shut-off heights and flow rates
  • Liquid discrimination exceeding industry standards of 2 ccm
  • Dynamic liquid carryover

Engineering Capabilites

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).