Ship Launching Airbags High Tensile Strength Custom Sizes Available Stable Under Heavy Loads
Description
The Airbag Roller is a high-performance marine solution specifically designed to meet the operational requirements of small and medium-sized shipyards. Modern shipyards of this scale often face limitations in infrastructure, dock space, and operational budgets, making traditional launching methods expensive, labor-intensive, and sometimes risky. The Airbag Roller provides a versatile, cost-efficient, and reliable alternative, enabling vessels to be launched, relocated, or dry-docked safely and efficiently without the need for permanent slipways or heavy lifting equipment.
Manufactured from premium natural rubber compounded with multiple layers of high-tensile synthetic cord reinforcement, the Airbag Roller combines elasticity, resilience, and high load-bearing capacity. Its cylindrical design ensures uniform rolling behavior and stable weight distribution across vessel hulls, while the abrasion-resistant outer surface protects against wear from concrete, steel, and uneven dock surfaces. The product’s robustness, combined with its ease of handling and reusable design, allows shipyards to reduce maintenance and replacement costs while maximizing operational efficiency.
This cost-optimized solution is particularly advantageous for small and medium shipyards handling vessels such as fishing boats, cargo vessels, workboats, or medium-sized patrol vessels. By deploying the Airbag Roller, shipyards can perform launching operations on temporary docks, floating docks, or partially prepared surfaces, eliminating the need for expensive permanent slipways. This flexibility enables rapid deployment, efficient operations, and adaptability to seasonal or space-limited conditions.
In addition to operational and financial benefits, the Airbag Roller significantly enhances workplace safety. Its design ensures predictable rolling behavior and even weight distribution, reducing the risk of lateral tilting, sudden shifts, or hull damage. Operators can conduct vessel launches with fewer personnel while maintaining high levels of control. By extending the service life of both the rollers and supporting systems, the product contributes to long-term operational savings and reliability for repetitive launch sequences.
The Airbag Roller represents a comprehensive solution for shipyards seeking to balance cost efficiency, operational reliability, and safety. By integrating material science, mechanical engineering, and practical operational experience, it allows small and medium shipyards to conduct professional vessel launching operations with minimal risk, reduced costs, and enhanced productivity.
Case Study
A small regional shipyard faced recurring challenges when launching multiple medium-sized cargo vessels and workboats due to limited dock infrastructure and uneven ground surfaces. Traditional launching methods were either unavailable or too costly to maintain, leading to operational delays and inconsistent launch quality. To overcome these challenges, the shipyard adopted Airbag Rollers customized to match the sizes of their vessels and the conditions of the docks.
During the operations, the Airbag Rollers supported sequential launches of vessels ranging from 500 DWT fishing boats to 6,000 DWT cargo vessels. Each roller demonstrated exceptional load-bearing performance, maintaining its cylindrical shape and stability under concentrated hull pressure. The vessels moved smoothly and safely, with consistent rolling behavior and minimal lateral deviation. Operators reported that fewer personnel were required due to the predictable handling characteristics and ease of deployment, allowing launches to be executed more efficiently and with improved safety.
Over a six-month period, the Airbag Rollers were reused for multiple vessel launches, showing minimal wear on the rubber surfaces and internal reinforcement. The shipyard noted substantial cost savings compared to previous methods, as well as reduced maintenance requirements and fewer equipment replacements. The successful integration of Airbag Rollers enhanced both safety and productivity, enabling the shipyard to meet tight schedules without additional infrastructure investments, demonstrating the rollers’ value as a long-term operational solution.
Specifications
| Product Name | Airbag Roller |
| 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
High Load Bearing Capacity
The Airbag Roller is engineered to withstand extremely heavy loads typical of medium-sized vessels. Its reinforced internal structure ensures the cylinder maintains shape under compression, providing predictable and stable rolling behavior. The design distributes weight evenly along the hull, preventing localized stress that could compromise vessel integrity or reduce operational efficiency. Testing under incremental load conditions shows consistent performance even after multiple launches.
Superior Abrasion Resistance
The outer rubber layer of the Airbag Roller is specially formulated to resist abrasion from concrete, steel, and compacted soil surfaces. Laboratory tests and long-term operational observations confirm the rubber maintains integrity after repeated use. This reduces replacement frequency, extends service life, and ensures consistent operational safety.
Precision Rolling and Stability Control
Each Airbag Roller is manufactured to strict tolerances, maintaining cylindrical symmetry and surface uniformity. This precision prevents lateral slipping, ensures smooth directional control, and allows operators to manage vessel movement with high accuracy, improving both safety and efficiency during launches.
Environmental Adaptability
The Airbag Roller performs reliably under a range of environmental conditions. UV-stable, seawater-resistant, and capable of withstanding moderate temperature fluctuations, it is suitable for coastal and partially exposed dock environments. This adaptability reduces operational risk and allows deployment in various small or temporary shipyard sites.
Ease of Handling and Modular Design
Despite its load-bearing capacity, the Airbag Roller is relatively lightweight and easy to maneuver. Modular deployment enables multiple rollers to be arranged for different vessel sizes and hull profiles, ensuring uniform support and safe, controlled rolling. Operators can install, reposition, and retrieve the rollers without specialized equipment, enhancing operational efficiency.
Applications
Medium Sized Vessel Launching
The Airbag Roller supports vessels ranging from small fishing boats to medium cargo ships, providing a stable rolling surface that ensures safe, controlled, and efficient launching operations in limited infrastructure shipyards.
Temporary or Floating Dock Operations
Its design allows deployment on temporary docks, floating docks, or partially prepared surfaces, offering flexibility to shipyards with limited permanent infrastructure or seasonal dock usage.
Vessel Relocation and Maintenance
Airbag Rollers facilitate moving vessels horizontally within shipyards for maintenance, assembly, or storage. Their predictable rolling behavior and even load distribution reduce labor intensity and improve operational safety during repeated handling.
Why Choose Hongruntong Marine
Decades of Operational Expertise
Hongruntong Marine leverages extensive experience in the design, manufacture, and deployment of Airbag Rollers. Years of practical knowledge ensure that every product is engineered for real-world shipyard conditions, including uneven surfaces, variable vessel sizes, and repeated heavy loads.
Premium Materials and Manufacturing Standards
Each Airbag Roller uses high-grade natural rubber and multi-layer synthetic cord reinforcement, ensuring durability, elasticity, and load-bearing performance. Stringent quality control processes—including material testing, dimensional inspections, and load simulations—guarantee consistent, reliable performance.
Customized Engineering Solutions
Every shipyard has unique requirements. Hongruntong Marine provides custom roller diameters, lengths, and configurations tailored to vessel sizes, hull geometries, and dock conditions. Engineering support includes load calculations, layout optimization, and operational guidance.
Long Term Operational Support
Hongruntong Marine offers technical assistance, training, and after-sales support to ensure the Airbag Rollers maintain optimal performance throughout their service life. This reduces downtime, increases safety, and maximizes the return on investment for small and medium shipyards.
FAQ
1. What vessel sizes can the Airbag Roller support?
Airbag Rollers are designed for vessels ranging from small fishing boats to medium-sized cargo ships of 5,000–7,000 DWT, with custom sizes available for specific requirements.
2. Can the rollers be reused for multiple launches?
Yes, the rollers are engineered for repeated use. Proper handling and periodic inspection ensure consistent performance over multiple projects.
3. What surface conditions are suitable for deployment?
Concrete, steel plates, compacted soil, and partially prepared dock surfaces are all suitable for Airbag Roller deployment.
4. Is maintenance required?
Routine visual inspection and cleaning are sufficient. The rollers are low-maintenance and designed for long-term operational use.
5. Can the Airbag Roller be customized?
Yes, dimensions, load capacity, and reinforcement layers can be tailored to match specific vessel sizes and operational requirements.



