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FLUIDYNE API 2000 Code EMERGENCY VENTS Model EVV-110 are for storage tanks when exposed to overpressures that are not handled by standard tank vents. These vents provide the capacity to meet API standard 2000 for emergency venting due to fire exposure when properly sized. These covers also provide quick easy access for tank inspection and maintenance and provide pressure relief. When excessive pressure builds within the storage tank the FLUIDYNE series Emergency Pressure Relief Vent begin to open at a predetermined set pressure relieving excessive pressure. When the overpressure has dissipated the cover reseat onto the base. FLUIDYNE emergency vents are available in several materials that are corrosion resistant to most petroleum product applications. The setting range is from a minimum of 25mm W.C to a maximum of 200mm W.C. for direct-weight loaded and 2000mm WC for deadweight-lever type. This model is available with Weight Loaded Lever type for adjustable settings and higher pressure settings.