Aluminum Alloy API Gravity Unloading Coupler (For Fuel Tank Bottom Loading)

Aluminum Alloy API Gravity Unloading Coupler (For Fuel Tank Bottom Loading)

In fuel transport and unloading systems, a safe, efficient, and highly compatible quick coupler is essential for bottom loading operations. The HBXYJ-API Series API Gravity Unloading Coupler features a 70-degree angled design that facilitates hose connection and extends hose service life, while optimizing the quick coupling interface for API bottom adaptors. This ensures rapid and safe transfer of gasoline, diesel, and other fuels. The inner lip interface is designed for easy compatibility with connectors meeting API 1004 standards, simplifying operation and maintenance.

This type of coupler is known by various names worldwide, including API Drop Adaptor, API Gravity Coupler, Bottom Loading Quick Connector, Fuel Dispenser Drop Adaptor, API Fuel Coupler, Liquid Unloading Quick Coupler. Despite regional name differences, the core advantages remain safety, efficiency, durability, and broad compatibility.

Key Advantages
Extended hose life: Gravity unloading design reduces hose wear, prolongs service life, and lowers maintenance costs.
Multiple size compatibility: Available in 2.5, 3, and 4-inch sizes, with flange or NPT/BSPT threaded options, suitable for various fuel trucks and unloading systems.
Durable materials: Aluminum alloy body, brass handle, stainless steel pin, with Viton or Buna-N seals for long-term reliability.
Wide working conditions: Operating pressure 0–0.6 MPa, temperature range -20°C to 70°C, suitable for diesel, gasoline, kerosene, and similar fuels.
Easy maintenance: Main gasket and other spare parts are replaceable, ensuring continuous and safe operation.

Typical Applications
The HBXYJ-API Series API Gravity Unloading Coupler is widely used for tanker truck bottom loading, fuel transfer at gas stations, terminal depot unloading, chemical liquid rapid unloading, and liquid pipeline quick connection platforms.