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Quick Disconnect Couplers & Dust Caps by OPW Engineered Systems

OPW Kamlok® Quick Disconnects are the industry-standard in cam and groove couplers for safety and ease of use. All OPW Kamloks® feature the exclusive Twin-Kam™ arm design to prevent accidental release, and Spring-Ring™ to ensure proper position of finger rings for ease of operation.

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OPW-ES Products

OPW-ES Products

Delivering the best quality loading arms

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.

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Loading Arm Systems View Products

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Every Arm. Every Option. Only OPW.

OPW offers the most complete line of loading arm systems and loading-rack equipment for today's bulk loading and unloading requirements.

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Swivel Joints View Products

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Every Arm. Every Option. Only OPW.

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.

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Quick & Dry Disconnects View Products

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Every Arm. Every Option. Only OPW.

OPW Engineered Systems is a world-class manufacturer of quick and dry disconnect fittings designed to meet any fluid handling need.

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Process Products View Products

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Every Arm. Every Option. Only OPW.

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.

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