OPW 1004D3 and 1005E3 API Bottom Loading Coupler


Call 800-876-2826 for current pricing.

The 1004D3 is the latest generation in API Bottom Loading Couplers from OPW. A proven performer at major oil terminals around the world just got better…


5 Cam Design

      • Ensures easy alignment; tight connection to adaptor & resists side forces while loading

Fully Interlocked

    • Dual interlocks ensure that the D3 cannot be opened unless it is properly connected to an API Adaptor


Superior Sealing

      • Simple and reliable smart-seal design consisting of dual high-performance O-rings

High-Performance Seals

    • Special Fluorocarbon Seal Compound provides compatibility across most products including gasoline, diesel, biodiesel and ethanol.*



      • All pins and small threads have been eliminated to provide quick, easy access to all critical components
      • Nose seal can be replaced easily without having to remove coupler from rack
      • No special tools required
      • Can be completely rebuilt in minutes


    • New stainless steel ‘ergo’ handle design provides easy, smooth operation.

*Other seals available upon request.