Aluminum High Flow AST Emergency Vent Female Thread - 4"

Spring Loaded, High Flow Emergency Vent Standard with Screen and Buna-n O ring which provides a vapor resistant seal. The emergency vent is Female Threaded with Aluminum Top & Base.

All Aluminum Construction is lightweight for easy handling and installation. Also, no rust issues from scratches or weathering. Buna‐N O Ring provides a vapor resistant seal. Spring Actuated Vent assures accurate opening pressure. 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.

• Buna N O Rings for sealing
• Screen for theft prevention
• Spring loaded for tight sealing-0 vapor release situations
• Low profile for restricted space installations
• All aluminum construction for weight reduction
• Underwriters Laboratories Listing