5m Ship Launching Airbags Heavy Duty Durable High Load Capacity
Description
The 8m Ship Launching Balloon is a high-performance marine engineering solution designed for safe, efficient, and cost-effective vessel launching. Constructed from multi-layer reinforced rubber combined with high-strength synthetic fibers, the balloon offers exceptional load-bearing capacity, high elasticity, and superior wear resistance. Its design ensures stable inflation and even load distribution beneath the hull, minimizing stress and preventing structural deformation. The material is resistant to abrasion, punctures, and extreme marine conditions including saltwater exposure, UV radiation, and fluctuating temperatures. Ideal for shipyards, dry docks, and offshore facilities, the balloon reduces dependency on cranes, streamlines launch operations, and enables repeated safe launches with minimal labor and operational costs.
Case Study
In 2023, a medium-sized shipyard in Vietnam needed to launch a 1,200-ton fishing trawler. The dock had uneven surfaces and limited crane access, making conventional launch methods risky. The shipyard deployed an 8m Ship Launching Balloon system from Hongruntong Marine. Technicians placed the balloons along the hull, inflated them sequentially, and adjusted pressure for uniform load distribution. The vessel launched smoothly within 45 minutes, with no hull damage or structural stress. The client reported significant labor savings, enhanced safety for workers, and a repeatable launch procedure applicable to other vessels. This case highlighted the balloon’s adaptability to uneven surfaces and reliability under heavy loads.
Specifications
| Product Name | Ship Launching Balloon |
| Material | 100% High Tensile Natural Rubber (NR) |
| Dimensions | Diameter 0.2m - 4.0m, Length 3.0m - 28.0m, or As Request |
| Working Pressure | 0.05-0.25MPA |
| Technology | Overall Winding, High Pressure, Explosion-Proof |
| Metal Parts | Q355 / SS304 / SS316 |
| OEM | Supported |
| MOQ | 1 |
| Repair Tools | Electric Heating Plate, Repair Materials, Glue, Free of Charge |
| Standard | ISO 17357 |
| Certificate | ABS, BV, KR, LR, GL, NK, RINA, DNV, RMRS |
| Package | Pallets, Wooden Cases |
| Service Life | 20 Years |
| Warranty | 36 Months |
| Diameter | Working Pressure | Working Height | Bearing Capacity | |
| KN/m | Ton/m | |||
| D=1.0m | 0.14Mpa | 0.6m | 87.96 | 8.98 |
| 0.5m | 109.96 | 11.22 | ||
| 0.4m | 131.95 | 13.46 | ||
| D=1.2m | 0.12Mpa | 0.7m | 94.25 | 9.62 |
| 0.6m | 113.10 | 11.54 | ||
| 0.5m | 131.95 | 13.46 | ||
| 0.4m | 150.80 | 15.39 | ||
| D=1.5m | 0.10Mpa | 0.9m | 94.25 | 9.62 |
| 0.8m | 109.96 | 11.22 | ||
| 0.7m | 125.66 | 12.82 | ||
| 0.6m | 141.37 | 14.43 | ||
| 0.5m | 157.08 | 16.03 | ||
| D=1.8m | 0.09Mpa | 1.1m | 98.96 | 10.10 |
| 1.0m | 113.10 | 11.54 | ||
| 0.9m | 127.33 | 12.98 | ||
| 0.8m | 141.37 | 14.43 | ||
| 0.7m | 155.51 | 15.87 | ||
| 0.6m | 169.65 | 17.31 | ||
| D=2.0m | 0.08Mpa | 1.2m | 100.53 | 10.26 |
| 1.1m | 113.10 | 11.54 | ||
| 1.0m | 125.66 | 12.82 | ||
| 0.9m | 138.23 | 14.11 | ||
| 0.8m | 150.80 | 15.39 | ||
| 0.7m | 163.36 | 16.67 | ||
| 0.6m | 175.93 | 17.95 | ||
| * Other Size Can Be Provided Follow Client's Requirements. | ||||
Features
Exceptional Load Bearing Capacity
The balloon can support vessels from small boats to medium-sized ships, providing consistent performance under extreme weight and minimizing hull stress.
Superior Durability
The multi-layer rubber reinforced with synthetic fibers resists abrasion, punctures, and environmental degradation, ensuring long-term usability even in harsh marine conditions.
Easy Handling and Inflation
Equipped with user-friendly valves, the balloon can be deployed quickly with minimal manpower, streamlining operations for multiple launches.
Safety Assurance
Reinforced end caps and integrated pressure monitoring prevent sudden deflation and uneven load distribution, protecting both personnel and vessels.
Applications
Shipyard Vessel Launching
Perfect for launching ships of various sizes, especially in facilities with limited crane access or uneven dock surfaces.
Marine Repairs and Dry Docking
Facilitates vessel relocation and maintenance by providing stable lifting and launching without permanent infrastructure.
Offshore Construction Support
Supports launching of floating platforms, barges, or other marine structures in remote or uneven locations.
Advantages
Extensive Industry Experience
Over 30 years in marine engineering solutions, developing advanced balloon technologies trusted worldwide.
Technical Expertise
Customized solutions tailored to vessel size, weight, and operational requirements.
Quality Assurance
Rigorous testing for tensile strength, air retention, and durability ensures reliable long-term performance.
Comprehensive Support
Installation guidance, operational training, and after-sales support maximize safety and efficiency for clients.
FAQ
1. What sizes are available for the Ship Launching Balloon?
Sizes range from 4m to 12m in diameter, customizable to vessel weight and hull design.
2. How long does it take to inflate an 8m balloon?
Using standard compressors, inflation typically takes 20–30 minutes depending on weather conditions.
3. Are the balloons reusable for multiple launches?
Yes, with proper maintenance and storage, they are designed for repeated use over several years.
4. Can these balloons be safely used on uneven dock surfaces?
Absolutely. The reinforced design and flexible rubber layers ensure stable deployment on irregular surfaces.
5. What safety certifications does the balloon have?
All products comply with ISO 14409 and have passed rigorous pressure, elasticity, and durability tests.



