OPW 1004D3.PNG

OPW API Bottom Loading Adaptors.PNG




OPW 1004D3 API Bottom Loading Coupler
A proven performer at major oil terminals around the world just got better...

The 1004D3 is the standard in "drip-less" bottom loading couplers. Nose seal replacement at the rack. Assemble and disassemble in minutes. Smooth integration with NEW "ergo" handle. Wider and beveled frame accepts truck adaptors easily. New shaft stuffing box hold all shaft & O-ring.


Shipping Weight:26 lbs.
Description:GFLT Viton Seals

Code:  OPW1004D30401

Manufacturer :OPW

Shipping Weight:26 lbs.
Description: Buna Seals



With sleeve forward, operating handle is unlocked and can rotate. Do not apply pressure to handle unless trying to open valve. Use caution when working around handle when system is under pressure. Once handle starts moving pressure can cause it to rotate violently.

IMPORTANT: OPW products should be used in compliance with applicable federal, state, provincial, and local laws and regulations. Product selection should be based on physical specifications and limitations and compatibility with the environment and materials to be handled. OPW MAKES NO WARRANTY OF FITNESS FOR A PARTICULAR USE.

Features & Benefits

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.

Operation - New stainless steel 'ergo' handle design provides easy, smooth operation.



  • 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 
  • Safety Precautions

    Although the 1004D3 is designed for higher pressures, proper measures must be taken within the system to allow thermal expansion.