OPW Fluid Transfer Group - A Dover Company
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3" 1986 SV Vapor Valve for 16" Manholes
1986 Sequential Vapor Vent

  • Aluminum construction with Viton seals and SST trim
  • Superior safety with Civacon's sequential valve technology
  • In case of rollover, poppet opens into the tank to prevent surge pressure leaks & spills from vapor valve