Short Description:The Civacon VA9121 is a 6-inch crude oil emergency internal valve with external air actuation and a 90-degree flanged elbow outlet with a Viton gasket. Built for harsh crude oil transportation environments, the valve features a hard coat anodized aluminum body and components for corrosion and abrasion resistance, and is compatible with 6-inch TTMA sump applications. Its open-bore design delivers superior flow rates and low pressure drops to minimize loading and unloading times. A frangible shear groove connection provides emergency shutoff capability, and the valve conforms with HM183 standards while meeting 49CFR178.345-8 shear section requirements per TTMARP-84.