About OPW Engineered Systems

about

OPW Engineered Systems is part of the OPW, and is dedicated to designing, manufacturing, and distributing world-class solutions for the safe handling and transport of hazardous bulk products. OPW is part of the Fluids segment within Dover Corporation (NYSE:DOV).

For more than 100 years, the OPW name has been the hallmark of quality, reliability and innovation among the industries it serves. And with heritage like this, OPW is the company you can count on now and in the future for your loading and unloading applications.

ES About usTimeline

  • 1892 Ohio Pattern Works is founded in Cincinnati, Ohio, USA
  • 1916 Ohio Pattern Works is the leading supplier of couplings, valves and nozzles to major oil and chemical companies
  • 1948 G. L. Ohrstrom & Associates acquires company and changes name to OPW
  • 1949 OPW introduces Kamlok® cam and groove quick-disconnect coupling
  • 1960 Dover Corporation acquires OPW
  • 1961 Kamvalok® dry disconnect coupling is the result of OPW's pioneering efforts to reduce liquid product loss
  • 1983 OPW reorganized into three separate business units; OPW Engineered Systems, OPW Fluid Handling, and OPW Fueling Components
  • 1988 OPW splits three business units into three distinct companies
  • 1989 OPW Fluid Handling changes its name to CIVACON (Cincinnati Valve and Control)
  • 1999 OPW relocates Civacon Cincinnati, Ohio facility to Kansas City. Kamlok®, Autolok™, Kamvalok®, and Drylok™ are moved to OPW Engineered Systems in Lebanon, Ohio
  • 2001 OPW Fluid Transfer Group was formed to include OPW-ES, Civacon/Knappco, Midland Manufacturing and OPW Fluid Transfer Group Europe B.V.
  • 2006 Acquired the Epsilon dry disconnect product line from Eaton Corp.
  • 2009 OPW acquires Hiltap Fittings, a leading supplier of high/low pressure and temperature fittings
  • 2013 OPW Fueling Components, combines with OPW Fluid Transfer Group to form one global company, focused on the distribution and transportation of critical fluids and fuels
  • 2013 OPW acquires Lianyungang Jump Petroleum Chemical Machine Co. Ltd
 

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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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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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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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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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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