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Roll over valve

A Roll-Over Valve is a safety device that hinders fuel leakage in the instance of a vehicle roll over. A patented "peel away" float seal provides excellent reopening characteristics. The float seal is tolerant to horizontal and vertical movement and has superior liquid discrimination exceeding industry standards.

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


  • Internal and external mounting
  • Various shut-off heights and flow rates
  • Dynamic liquid carryover reduction
  • Varying permeation levels
  • Variable pressure holding function

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).