The API Bottom Loading Arm HL32F / HSL32F is designed to provide safe, efficient, and reliable bottom-loading operations for petroleum transport vehicles. Engineered to accommodate a wide range of tank truck configurations that comply with API Recommended Practice 1004, these loading arms deliver exceptional flexibility while supporting simultaneous loading of multiple compartments. Their durable construction, smooth operation, and maintenance-friendly design make them an ideal solution for modern fuel terminals and bulk liquid transfer facilities.
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OPW Engineered Systems HL32F / HSL32F — API Bottom Loading Arms (EMEA/International)
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OPW Engineered Systems HL32F / HSL32F — API Bottom Loading Arms (EMEA/International)
OPW Engineered Systems HL32F / HSL32F — API Bottom Loading Arms (EMEA/International)
Overview
The HL32F and HSL32F API Bottom Loading Arms are engineered to maximize operational efficiency while maintaining safe and secure product transfer. Designed with a generous working envelope, these loading arms can easily connect to API adapters located on various tank truck configurations that meet API 1004 requirements. Their advanced design allows operators to load multiple compartments simultaneously, helping reduce loading times and improve terminal productivity. The HSL32F model includes an additional drop hose swivel, providing enhanced flexibility and extending hose service life in demanding loading environments. Manufactured with robust materials and equipped with OPW’s proven API coupling technology, these loading arms offer dependable performance in petroleum and liquid transfer applications worldwide.
Key Features
- Designed to accommodate API 1004 compliant tank truck configurations
- Supports simultaneous loading of multiple compartments
- Smooth and easy operation for improved operator efficiency
- Proven loading arm design used at fuel terminals worldwide
- Durable construction for long service life
- All-flanged construction simplifies maintenance and servicing
- Swivels equipped with grease nipples for easy lubrication
- Composite drop hose supplied as standard
- Optional stainless steel or rubber hose configurations available
- Wide range of seal materials available for product compatibility
- Equipped with OPW 1005E3-0402 API coupler
- Factory pre-balanced to reduce installation and commissioning time
- Standard linear spring counterbalance system
- Optional torsion spring configuration available
- HSL32F model includes an additional drop hose swivel for greater flexibility
HL32F / HSL32F API Bottom Loading Arms Specifications
| Specification | Details |
|---|---|
| Product Type | API Bottom Loading Arm |
| Models | HL32F, HSL32F |
| Nominal Size | 4″ (DN100) |
| Construction | All-Flanged Design |
| Standard Hose Type | Composite Liquid Hose |
| Optional Hose Types | Stainless Steel, Rubber Hose |
| Standard Coupler | OPW 1005E3-0402 API Coupler |
| Counterbalance | Linear Spring |
| Optional Counterbalance | Torsion Spring |
| Compliance | API Recommended Practice 1004 |
| Application | Petroleum and Liquid Transfer Loading |
Materials of construction
| Component | Material |
|---|---|
| Inlet Swivel | Carbon Steel |
| Drop Hose Swivel | Aluminum |
| End Swivel | Aluminum |
| Swivel Seals | Viton® GFLT |
| Primary Arm | Carbon Steel |
| Drop Hose | High-Quality Composite Liquid Hose |
| API Coupler | Aluminum |
Sourse: VSL loader brochure
Source: HSL loader brochure
HL32F / HSL32F API Bottom Loading Arms Frequently Asked Questions
These loading arms are used for bottom-loading petroleum products and other compatible liquids into tank trucks at fuel terminals and bulk transfer facilities.
The HSL32F model includes an additional drop hose swivel, providing increased flexibility and helping extend hose service life during loading operations.
Yes. The loading arm design allows operators to connect to multiple API adapters and load several compartments at the same time, improving terminal efficiency.
A composite liquid hose is supplie as standard. Stainless steel and rubber hose options are also available for specific applications.
The primary arm is constructe from carbon steel, while the swivels and coupler utilize aluminum components. Viton® GFLT seals are used as standard.
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