OPW Fluid Transfer Division India - A Dover Company
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4" 1998 Sequential Vapor Valve
1998 Sequential Vapor Vent

  • 4" high-capacity design provides superior flow for faster loading and unloading
  • Superior safety with Civacon's sequential valve technology
  • Innovative sealing system features double u-cups and Teflon® inverted seals for a longer maintenance-free life
  • Multiple mounting options, stainless steel spring, 1/4" NPT air line holes
  • Minimum operating pressure, 60 PSI; units begin to sequence at 50 PSI and begin to exhaust at 40 PSI