366 Slim Line Female Emergency Vent UL-ULC


Slim line style is ideal for limited space applications. Heavy-duty cast-iron top and base with aluminum bases available.Machined top and base with Buna-o Ring provide a vapor resistant seal. 4″, 5″ and 6″ female NPT thread standard. Optional screen minimizes chances of theft or vandalism. Pressure relief set at <0.5 PSI. Clay & Bailey vents can be used in a variety of Aboveground Storage Tank Equipment installations where reliable fuel handling Petroleum equipment is required.

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Installation & Maintenance

  • Made in USA

  • UL Listed

  • ULC Listed

    • Recommended Accessories:

    AST Overfill Prevention Valve
    AST Spill Containment Box
    AST Audible Alarm
    AST Sight Gauge