Dixon
4" Aluminum API Gravity Drop Adapter Fuel Transfer Coupling
- SKU:
- NLDIX41440-225AL
- Availability:
- Limited quantity available.
- Weight:
- 4.00 LBS
Description
4" Aluminum API Gravity Drop Adapter Fuel Transfer Coupling
4" Aluminum API Gravity Drop Adapter Fuel Transfer Coupling provides a 4" male adapter x 4" female API coupler connection for petroleum offloading applications.
The Dixon 41440-225AL is manufactured from aluminum and uses a flat nitrile rubber gasket. It is designed for offloading through an API adapter and supports a broad range of petroleum fuels and compatible biofuel blends.
Product Highlights
Aluminum gravity drop adapter designed to connect fuel transfer equipment through a compatible API adapter.
The 4" assembly combines a male adapter with a female API coupler and flat nitrile gasket.
Technical Specifications
API Gravity Drop Adapter Configuration
The 41440-225AL provides a 4" male adapter connection for integration with compatible fuel transfer and drop equipment.
The female API coupler connects to compatible API equipment used during petroleum cargo tank offloading operations.
API Gravity Drop Adapter Design
The Dixon 41440-225AL combines a 4" male adapter connection with a 4" female API coupler. This configuration provides a dedicated transition for compatible petroleum offloading equipment.
Confirm both connection sizes and mating equipment before installation. Proper connection selection is important for maintaining the intended fuel transfer configuration.
The gravity drop adapter is manufactured from aluminum for petroleum cargo tank and fuel transfer applications. Its integrated configuration combines both connection ends into one adapter assembly.
Inspect the aluminum body and mating surfaces before installation. Components showing excessive wear, deformation, or damage should be removed from service.
The 41440-225AL uses a flat nitrile rubber gasket at the sealing connection. The gasket should be inspected regularly for wear, damage, hardening, or deterioration.
Dixon lists compatibility with gasoline, diesel, ULSD, and multiple ethanol and biodiesel blends. Always verify the transferred media and system requirements before use.
Dixon specifies the 41440-225AL for offloading through an API adapter. The assembly is intended for petroleum cargo tank applications using compatible API transfer equipment.
Verify the API connection, drop equipment, gasket condition, and transferred product before operation. Follow applicable fuel handling and transfer procedures during use.
Installation & Selection Considerations
Confirm both 4" connections.
Verify API compatibility.
Inspect the nitrile gasket.
Confirm fuel compatibility.
Check mating transfer equipment.

Our product specialists can help review API compatibility, connection sizes, gasket material, fuel compatibility, and transfer equipment before you order.
Frequently Asked Questions
What is the Dixon 41440-225AL?
It is a 4" aluminum API gravity drop adapter designed for offloading through compatible API equipment.
What are the connection sizes?
The 41440-225AL combines a 4" male adapter with a 4" female API coupler.
What material is the adapter made from?
Dixon specifies aluminum construction for the 41440-225AL gravity drop adapter.
What type of gasket does it use?
The adapter uses a flat nitrile rubber gasket.
What fuels are compatible with the adapter?
Dixon lists gasoline, diesel, ULSD, E10, E20, E85, E100, B2, and B20 as compatible fuels.
What is the 41440-225AL used for?
Dixon specifies the gravity drop adapter for offloading through an API adapter in compatible petroleum transfer systems.
Important Ordering & Installation Notes
- Verify part number 41440-225AL.
- Confirm both 4" connection sizes.
- Verify the male adapter connection.
- Confirm the female API coupler.
- Verify the flat nitrile gasket.
- Inspect the gasket before use.
- Confirm API equipment compatibility.
- Verify the transferred fuel type.
- Inspect mating surfaces before connection.
- Follow applicable fuel transfer procedures.