2311 Executive Street, Charlotte, NC 28208-3637


OPW Engineered Systems

OPW is a leading global supplier of products and systems used for the safe and efficient loading, transfer, handling and unloading of critical fluids, such as crude oil, shale oil, refined fuels, LPG, LNG, bio-diesel, butadiene, corn syrup and a wide array of hazardous chemicals. OPW offers premium-grade top and bottom loading arms, swivel joints, sight flow indicators, quick and dry disconnect couplers and safety breakaways for use in railcar rack systems and platforms, bulk plant and liquid terminals applications.

Fluid Transfer Solutions

Throughout the world, OPW Engineered Systems has been a global leader in developing loading and coupling systems for the safe and efficient loading and unloading of all types of critical hazardous fluids. Our system designs meet a wide range of needs from the modest demands of drum-filling applications to the high-volume loading and unloading requirements of major chemical and petroleum facilities. OPW Engineered Systems is the brand you can trust for reliability, safety, service and support.

Loading Systems

OPW offers the most complete line of loading arms and loading-rack equipment for today's bulk loading and unloading requirements. Whether the application involves tank trucks, railcars, drums or totes, and the moving of petroleum products, liquefied gases, asphalt, solvents or hazardous/corrosive chemicals, OPW Engineered.

Swivel Joints

OPW manufactures swivel joints for a broad range of uses in the chemical, petroleum, petrochemical, refining, mining, distilling, brewing, ink and paint industries, as well as farm irrigation and fertilizing. Design, plant and maintenance engineers use OPW swivel joints in flexible piping systems, loading arms, hose reels, sewer rodding and wastewater treatment equipment, and various types of process machinery. They also use our swivel joints in machine tool coolant transfer, drum filling applications, and in a variety of in-plant fluid and dry bulk transfer applications.

Versatility is the key to OPW swivel joints. They make it possible for you to use rigid metal piping for loading and unloading fluids and dry product under pressure or vacuum without the difficulty or danger of handling heavy, cumbersome hoses.

Process Products

OPW offers products that monitor, sense and reveal the fluids in your operation. Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control.