Shale Oil Top Loading

shaleWe have been providing Loading Arm solutions for over 100 years and we strive to uphold the leadership position that we have established. We don’t take this lightly. We understand that every application is an opportunity to improve the efficiency and safety of your operation. Our goal on every project is ZERO HARM.

The extensive growth that we’ve seen in the Shale Oil markets have been exciting and we look forward to the opportunity to play a role in continuing to develop our energy infrastructure. From loading Rail Car Unit Trains to safely handling critical fluids, OPW has you covered.

To support this effort, we have developed a website with a focus on all of the products that the OPW Fluid Transfer Group has to offer.

Loading Arm Solutions

Some examples of loading arm solutions applied in this application*:

Top Loading

Bottom Loading


  • API Bottom Loading Couplers -The Shale Oil market typically employs this connection for fast, efficient loading of both railcars and tank trucks.

  • 1004D3 API Bottom Loading Coupler
  • Electronic Rack Equipment- Overfill protection and Ground Verification packages are common accessories that are supplied on many projects. These options help ensure a safe, efficient fluid transfer.
  • Quick & Dry Disconnect Couplings- As the leader in quick & dry disconnect couplings, OPW can provide all of your couplings needs from our simple Kamlok ‘cam & groove’ coupling to our entire family of dry disconnect products to our Hiltap line of high pressure/temperature fittings.



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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