Double Dovetail Plate 55° AE-B2
— Welded Deck Base for Dual-Direction Container Locking & Precise Alignment —
The 55° double dovetail plate model AE-B2(also named “double U-frame” or “dovetail double 55 degree foundation” ) by OLIPORTS is a heavy-duty welded container foundation fixing part specially designed for ship decks. Welded on the ship deck, its unique 55-degree angle double dovetail guide rail structure can quickly and stably lock the corner fittings at the bottom of containers. It is fully compliant with ISO standards and has obtained ABS, DNV-GL and CCS certifications, making it an ideal fixing base for the positioning and fixing of containers under the deck. This product is widely used in cargo ships, ro-ro ships, barges and other maritime freight platforms, and is one of the important components to ensure the safety of container transportation.
OLIPORTS combines precise engineering and global manufacturing expertise to deliver fast, reliable cargo securing solutions for the world’s fleets.
Technical Specification of Double Dovetail Plate
- Model: AE-B2
- Weight: 5.1kg
- Center-to-Center: 203mm/216mm/258mm (ISO Standard) or Custom
- Breaking Load: Shear 420(KN), and tension 500KN
- Safe Working Load: 210KN, and tension 250KN
- Material: Weldable Carbon Steel
- Finish: Shop Primer
- Installation: Welding on ship deck
- Class Approval: ABS, DNV-GL, CCS, Others
- Application: Container handling and securing systems
- Category: Fixed Fittings on Deck
- Tags: Flush Foundation, Dovetail Plate, Container Lashing.
* Can be customized according to your needs, type and test class approved on request. Please contact us
Compact, durable, and fully ISO-compliant, this fitting is essential for standardized container lashing and securing systems on modern vessels.
Drawings and Features of Double Dovetail Plate
Key Features
Note: It can be directly welded on the ship deck or platform surface, with easy installation and strong bearing capacity.
- 55° Golden Inclination Design: With the dovetail teeth precisely engineered at a 55° angle, this design achieves optimal stress distribution and boasts a 35% enhancement in shear resistance compared to the conventional 45° configuration.
- High Compatibility: Compatible with various container locking systems (e.g., twist locks);
- Durable and Long-lasting: Features surface anti-corrosion treatment, making it suitable for long-term service in marine environments.
- High tension/shear strength (500kN max breaking load)
- Class-certified by ABS, DNV, CCS, etc.
- Perfect for 20ft/40ft ISO container underdeck configurations
| Model | Lc (mm) | L(mm) | Weight (kg) |
| AE-B2/203 | 203 | 418 | 6.2KG |
| AE-B2/216 | 216 | 431 | 7.0KG |
| AE-B2/258 | 258 | 473 | 7.8kg |
Applications
Container Ship Deck Fixing System:
- Welded to the deck surface,
- Used as a bottom locking component, working in conjunction with accessories such as twist locks and bolts to form a stable foundation for container securing.
Used for ro-ro and barge platforms
Port Temporary Storage Yards and Barge Platforms:
- Used to construct reusable container securing foundations,
- It is particularly suitable for short-term container temporary storage systems with frequent port entry and exit.
Offshore Modular Structure Installation:
- Applied in projects such as offshore wind power, oil platforms, and floating structures,
- The 55° double dovetail plate is used to assist in the transportation and temporary fixation of standard container-type modules (e.g., central control rooms, power cabins, etc.), ensuring stability and rapid deployability during equipment transportation and deployment.
Container Houses and Modular Building Foundations:
- The double dovetail plate can be installed on steel structures or concrete platforms as fixed anchor parts or embedded parts, serving to guide the positioning of container bottoms and reinforce them. It is particularly suitable for outdoor application scenarios requiring high-strength wind resistance and shock resistance.
Commonly found at the joints between decks and bulkheads, and decks and supporting structures.
Integrated with OLIPORTS lashing systems: Manual / Semi-Auto Twistlocks、Stacking Cones & Tension Elements、Rails & Guide Fittings、Deck Foundations.
Why OLIPORTS?
With over a decade of manufacturing and global distribution experience, OLIPORTS delivers more than just hardware — we deliver container securing systems with intelligence.
With over a decade of manufacturing and global distribution experience, OLIPORTS has developed deep expertise in container lashing and cargo securing systems. We fully understand the design drawings, structural layouts, and mechanical calculations behind every container ship’s securing solution — allowing us to respond quickly and accurately to your technical requirements.
- Deep understanding of ship lashing plans and design drawings
- Support for custom layouts to match your vessel and route
- ISO-compliant and class-approved products with full documentation
- Fast quote turnaround and fewer sample revisions
- Trusted by yards, shipowners, and retrofit contractors worldwide
Built to perform. Certified to last. Delivered on time.
Request a Quote or Drawing
OLIPORTS offer: Technical Datasheet PDF、Material Certificates、DWG or STEP files for design integration、On-request layout support. Our lashing experts typically reply within 24 hours. 💡 Based on your port design, berthing energy, and vessel data, we’ll provide:
⚙️ Recommended drawings & specifications
💬 A tailored quotation with best lead time
📎 Support for class approval documents
Contact Us
We’re here to assist you with any inquiries. One of our product specialists will get back to you within 24 hours with the information you need.
