OPW Engineered Systems VL32F / VSL32F — Vapor Bottom Unloading Arms (EMEA)
The VL32F and VSL32F API Bottom Loading Arms are engineered to provide safe, efficient, and reliable bottom-loading operations for petroleum transport vehicles. Designed to accommodate a wide range of API-compliant tank truck configurations, these loading arms offer exceptional flexibility, smooth operation, and dependable performance. Their robust construction and proven design make them an ideal choice for fuel terminals, bulk plants, and loading rack facilities.
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OPW Engineered Systems VL32F / VSL32F — Vapor Bottom Unloading Arms (EMEA)
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OPW Engineered Systems VL32F / VSL32F — Vapor Bottom Unloading Arms (EMEA)
Overview
The VL32F and VSL32F API Bottom Loading Arms are designed to operate within the working envelope defined by API Recommended Practice 1004. This allows operators to connect to virtually any API-compliant tank truck adapter regardless of vehicle layout, improving loading efficiency and operational flexibility. These loading arms support simultaneous loading of multiple compartments, allowing different petroleum products to be transferred at the same time. Their all-flanged construction simplifies maintenance, while factory pre-balancing helps reduce installation and commissioning time. The VSL32F model incorporates an additional drop hose swivel that enhances flexibility and helps extend hose service life in demanding loading environments.
Key Features
- Designed for API 1004 compliant tank truck configurations
- Supports simultaneous loading of multiple compartments
- Easy handling and smooth operation
- Proven design used by major oil terminals worldwide
- All-flanged construction for simplified maintenance
- Swivels equipped with grease nipples for easy lubrication
- Durable construction for long service life
- Composite drop hose supplied as standard
- Optional stainless steel and rubber hose configurations available
- Wide range of seal material options available
- Equipped with OPW 1005E3-0402 API coupler
- Standard linear spring counterbalance system
- Optional torsion spring configuration available
- Factory pre-balanced to reduce installation time
- VSL32F model includes an additional drop hose swivel for improved flexibility
VL32F & VSL32F API Bottom Loading Arm Specifications
| Specification | Details |
|---|---|
| Product Type | API Bottom Loading Arm |
| Models | VL32F, VSL32F |
| Application | Petroleum Bottom Loading |
| Compliance | API Recommended Practice 1004 |
| Construction Type | All-Flanged Design |
| Standard Hose Type | Composite Liquid Hose |
| Optional Hose Types | Stainless Steel Hose, Rubber Hose |
| Coupler Model | OPW 1005E3-0402 |
| Counterbalance | Linear Spring |
| Optional Counterbalance | Torsion Spring |
| Operation | Manual |
| Installation | Bottom Loading Rack Systems |
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: HSL loader brochure
Source: VSL loader brochure
VL32F & VSL32F API Bottom Loading Arm Frequently Asked Questions
These loading arms are design for bottom-loading petroleum products into tank trucks at terminals, loading racks, and bulk transfer facilities.
The VSL32F model includes an additional drop hose swivel that provides greater flexibility and helps extend hose life during operation.
Yes. The design allows operators to load multiple compartments at the same time, improving loading efficiency and reducing vehicle turnaround time.
A composite liquid hose is supplied as standar, while stainless steel and rubber hose options are available for specific applications.
The loading arm features a carbon steel primary arm, aluminum swivels and coupler, Viton® GFLT seals, and a high-quality composite liquid hose.
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