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Heavy-Duty Aluminum API Bottom Loading Adaptor for Tank Truck Fuel Transfer

Heavy-Duty Aluminum API Bottom Loading Adaptor for Tank Truck Fuel Transfer

In modern petroleum transportation systems, bottom loading technology has become the preferred solution for improving safety, efficiency, and environmental control. At the heart of this system is the API bottom-loading adaptor, a critical component that connects the tank truck to the loading hose and ensures secure, leak-free fuel transfer.

The HBC806C-100 Aluminum API Bottom Loading Adaptor is engineered for installation at the bottom outlet of tank trucks and is suitable for handling diesel, gasoline, and other refined petroleum products. Designed for high-flow operations, it provides a smooth internal flow path that minimizes turbulence and pressure loss, even under demanding loading conditions.

Across different regions and industries, this type of product is known by various names, including:
API Bottom Loading Adaptor
Bottom Loading Valve Adaptor
API Tank Truck Coupling
Fuel Bottom Loading Connector
Oil Tanker Bottom Discharge Connector

Despite the different terminology, the performance expectations remain the same: secure sealing, durability, and full compatibility with API-standard hose couplings.

This adaptor features a robust aluminum alloy body with a hard-anodized surface treatment, offering excellent resistance to wear caused by repeated coupling and decoupling. The flat-bottom outlet design helps prevent residual fuel leakage when the hose adaptor is disconnected, enhancing operational safety and reducing environmental risks at loading terminals.

Maintenance efficiency is another key advantage. Thanks to its split-body construction, critical sealing components can be replaced without removing the entire valve body from the tank truck. This design significantly reduces downtime and maintenance costs for fleet operators and service providers.

For advanced safety requirements, the adaptor can be equipped with an optional air interlock valve, allowing integration with loading rack control systems to prevent accidental operation during the connection process. This feature makes the product particularly suitable for markets with strict safety regulations, such as North America, Europe, and the Middle East.

With interface dimensions manufactured in accordance with API RP1004 standards, the HBC806C-100 ensures reliable compatibility with standard API couplers used worldwide. Its combination of high flow capacity, dependable sealing performance, and service-friendly design makes it an ideal choice for tank truck manufacturers, fuel logistics companies, oil depots, and fuel loading facilities.

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HBC806C-100  (Aluminum Type)  

This product is installed on the bottom side of the tank truck. It is one of the main accessories of the tank truck and is used to quickly unload and upload petroleum products such as diesel, gasoline, etc.  The front-end interface complies with the American API Rp1004 standard and is convenient for connecting to the API drop adaptor(the hose connector).  The internal structure of the fluid mechanics design can reduce the internal pressure to a minimum level when the flow rate is large.  The outlet adopts a flat bottom structure, and there is no leakage when the API drop adaptor is disassembled, making it safe and reliable.

Technical Specifications:
Body: Cast Aluminum
API Adaptor End: Hard anodized Aluminum
Seal: Buna-n or Viton
Handle: Aluminum
Shaft: Stainless Steel
Size: 4 inch
Type: Gear Type
Max. Flow Rate:2500L/min
Temperature:-20 to 70℃

Replacement Parts Available as follows:
Big O-ring between the valve cap and valve body
The main valve gasket (Viton material)
Other required spare parts.

Functions & Features:
Split design allows the valve seal to be replaced without removing the valve body.
The valve body is hard-anodized, providing excellent wear resistance when connected to couplings.
Interface dimensions comply with API RP1004 standards, ensuring compatibility with standard API couplings.
An optional air interlock valve can be installed to enable interlock control during connection.

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About Haibo
Zhejiang Haibo Petroleum Equipment Co., Ltd.

Zhejiang Haibo Petroleum Equipment Co., Ltd., established in 2017, is a certified enterprise located in Yongjia County, Wenzhou City, Zhejiang Province—recognized globally as the world’s largest manufacturing base for petroleum equipment and the well-known hometown of pumps and valves in China.
Our products are widely used in Fluid Control Systems, Energy Systems, Measurement Systems, Piping Systems, and Hydraulic Systems, serving petroleum companies, military units, oil depots, tank truck manufacturers, and petrol stations worldwide. Province—recognized globally as the world’s largest manufacturing base for petroleum equipment and the well-known hometown of pumps and valves in China.
At Haibo, we are backed by a team of senior industry experts with more than 20 years of professional experience in the petroleum equipment and fluid control sectors. Their deep technical knowledge and industry insight ensure that every product and solution we deliver meets the highest standards of quality, reliability, and performance.

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