OPW API Couplers

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OPW API CouplerArm-Tex is pleased to offer the full line of OPW API couplers including the 1004D3 and 1004D4, Automatic 'Snap on” coupler.  The OPW D deries coupler bosts "no pins or threads" to make rebuilding the coupler about a 15 minute process which greatly extends the life and value of the API coupler.  For more than 100 years, OPW has been providing fluid handling equipment that is reliable, safe, innovative, and unmatched in quality. And now, you can enjoy the best API couplers OPW has to offer backed by the expertise and excellent service of Arm-Tex.

OPW API couplers are designed to eliminate spillage for bottom loading and unloading perochemicals on truck, railcars, unit trains, and at crude by rail transfer terminals. OPW couplers are used at petroleum terminals all around the world, because they are the safest, cleanest, and fastest way to get the job done and are ALWAYS in stock at Arm-Tex.

OPW API couplers are designed to deliver:

OPW API Coupler

  • Leak-free performance
  • Ease of maintenance
  • Safe, clean loading and unloading
  • No Pins or threads
  • One seal for ALL PRODUCTS
  • Cold Weather seals available
  • Stainless Steel grab handle and oversized knob for easy hook up with gloves

Simply put, OPW API couplers set the standard for the bottom loading couplers. Contact us today to place your order.