Crude Oil Tank Trailer

Civacon offers the most complete line of tank-truck products for all your crude-oil shipping applications. These products include internal valves, vent valves, butterfly valves, manholes and API adaptors. All of these products have been designed and constructed to Civacon’s exacting standards and deliver the highest level of engineering, dependability and performance, while also ensuring maximum safety in the transporting, loading and unloading of crude oil.

crude oil trailer

Civacon Experience

For more than 50 years, when it comes to the safe handling and transport of hazardous liquids, Civacon tank truck and transporting components and systems have been known the world over for their reliability, durability and superior performance. Our manhole assemblies, sequential vapor valves, overfill detection equipment, internal valves, loading and unloading components, as well as our trademark System 3 total tank truck systems are specified by all leading tank truck and transport builders around the world to ensure safety for personnel and the environment against petroleum and chemical spills, tank overfills and fugitive emissions. Our innovative, modular manifold and air control systems enhance fuel delivery profitability, accuracy and simplicity. Civacon sets the global standard for dependability, quality, compatibility, performance, and peace-of-mind.

For dry bulk transport products, such as industrial access ports, manholes, hatch covers, fill covers, pressure vacuum hatches, valves, weld rings and fill covers, Knappco is the brand of choice for keeping a lid on hazardous bulk commodities while they're being handled or transported. Knappco products are precision engineered and manufactured to meet the requirements of a wide range of industries and applications. For more than 50 years, dry bulk tank builders and operators have trusted Knappco.