World-Class Technology, First Class Service and Support

Civacon / Knappco / Sure Seal specializes in products and systems to safely load, monitor and unload petroleum, dry bulk and petro chemical cargo tanks, for the road and rail industries. We are a global leader in providing Bottom Loading, Vapor Recovery and Overfill Dectection Systems for the petroleum industry. A world class provider of Pressure Discharge and Vacuum Loading Systems for Rail & Road Dry Bulk. As well as, Pressure/Vacuum Relief and Safety Access/Insepection equipment for the Agriculture and Industrial Storage Tank Industry.  Whether your need is at the terminal loading rack, or outfitting a fleet of tankers or rail cars, our systems set the standard for real-world performance in the most rigorous and demanding applications. If the safe, profitable handling of hazardous liquids and dry-bulk commodities is your concern, trust Civacon.

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