Bottom Transfer Hose Loader (BT-44)
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The Bottom Transfer Hose Loader (BT-44) is a practical and economical loading arm solution designed for bulk liquid loading and unloading operations. Its low-profile design allows it to be mounted close to the ground, eliminating the need for overhead support structures while providing reliable product transfer in a wide range of industrial applications.

SafeRack supplies and supports Excel Loading Systems TL-544 with expert specification guidance from Regional Area Managers who help you select the right configuration, materials, and end fitting for your terminal. Our team provides assistance with system compatibility, installation requirements, and operational performance to ensure safe and efficient loading operations. Get technical support, lead times, and pricing information in one call.
Bottom Transfer Hose Loader (BT-44)
Overview
The Bottom Transfer Hose Loader (BT-44) is engineered for bottom-loading and unloading operations where elevated support structures and vertical piping are not available. The loading arm’s primary arm and boom sections extend horizontally into the loading area, providing easy access while maintaining a compact footprint.
Available in both Up Feed and Horizontal Feed configurations, the system can be customized to suit various site layouts and operational requirements. Commonly used for transferring crude oil, crude condensate, and other single-product liquids, the BT-44 combines durability, ease of use, and efficient performance in one cost-effective package.
Key Features
- Low-profile design requiring no overhead support structure.
- Accordion-style arm configuration for extended reach into loading areas.
- Available in Up Feed and Horizontal Feed loading configurations.
- Ideal for single-product loading and unloading applications.
- Suitable for crude oil and crude condensate transfer operations.
- Simple installation and user-friendly operation.
- Available in 3-inch and 4-inch sizes.
- Manufactured in carbon steel, low-temperature carbon steel, aluminum, or stainless steel.
- Standard two-coat heavy-duty paint system for enhanced durability.
- Compatible with accessories including API couplers and grounding/bonding systems.
Bottom Transfer Hose Loader (BT-44)
| Specification | Details |
|---|---|
| Product Type | API Bottom Loading Coupler |
| Available Sizes | 4″ TTMA Rear Flange Connection |
| Working Pressure | Maximum 80 psi |
| Test Pressure | Maximum Coupling Pressure: 100 psi |
| Temperature Range | Based on seal material and product application |
| Design Type | Dry-Disconnect API Coupler with Automatic Latching |
| Construction | Precision-Machined Aluminum Body with Stainless-Steel Collar |
| Compliance | Manufactured in accordance with API RP 1004 standards |
| Maintenance | Quick-disassembly design with fast in-field seal replacement |
| Application Industries | Petrochemical, Fuel Distribution, Tank Truck Loading, Bulk Liquid Transfer, Terminal Operations |
Materials of construction
| Component | Material |
|---|---|
| Flange Options | 4″ TTMA Rear Flange Connection |
| Bearing Module | Precision Mechanical Latching Assembly |
| Seal Options | Viton (FKM), Buna (NBR), Additional Seal Options Available |
Source: Excel Loading Systems BT-44 catalog
BT-44 Frequently Asked Questions
The Bottom Transfer Hose Loader (BT-44) is a low-profile loading arm designed for bulk liquid loading and unloading operations. It is mounted close to the ground and does not require an overhead support structure, making it ideal for facilities with limited vertical space.
The Bottom Transfer Hose Loader (BT-44) is commonly used for single-product loading and unloading applications, including crude oil and crude condensate transfer. It performs well in locations where vertical piping and elevated support structures are unavailable.
The Bottom Transfer Hose Loader (BT-44) is available in both Up Feed and Horizontal Feed configurations, allowing facilities to choose the arrangement that best fits their operational requirements and site layout.
The Bottom Transfer Hose Loader (BT-44) can be manufactured from carbon steel, low-temperature carbon steel, aluminum, or stainless steel. These material options help meet different environmental, temperature, and product-handling requirements.
The Bottom Transfer Hose Loader (BT-44) offers easy installation and operation, a durable two-coat heavy-duty paint finish for long service life, and availability in 3-inch and 4-inch sizes. It can also be equipped with accessories such as API couplers and grounding/bonding systems for enhanced safety and performance.
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Bottom Transfer Hose Loader (BT-44)
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