Qingdao SunKai is a professional Versatile Marine Safety Airbags for Restricted Port manufacturer, supplier and factory, focusing on solving the pain points of "poor safety, single function, and weak adaptability to harsh environments" in traditional restricted port airbags. The product adopts a five-layer composite structure design, combining high-strength synthetic tire cord reinforcement and anti-puncture marine rubber, fully complying with CB/T3795-2016 industry standards and ISO 14409 international standards, and has passed international classification society certifications.
It is widely applicable to small and medium-sized ships (300-15000DWT), including inland cargo ships, coastal fishing boats, and small work ships, covering scenarios such as ship launching in narrow spaces, docking buffer under variable tide conditions, temporary lifting during hull maintenance, emergency salvage of grounded ships, and position adjustment in shallow water areas. It is especially suitable for restricted ports with complex terrain, frequent tide changes, and harsh operation environments, providing reliable safety support for global restricted port operation institutions.
- Anti-Puncture & High-Strength Safety Structure: Adopt a five-layer composite protection design, the outer layer is a special anti-puncture neoprene rubber layer (thickness up to 12mm), the middle two layers are reinforced with 3-strand high-strength synthetic tire cord cross winding (tensile strength up to 2800N/tex), and the inner two layers are high-density airtight rubber layers. It effectively resists scratches from gravel, sharp objects, and marine debris in restricted ports, avoiding puncture and air leakage risks. The safety factor is as high as 5.1, which is higher than the industry average, and can stably bear the weight of ships up to 15000DWT.
- Intelligent Pressure Control & Safe Operation: Equipped with an IoT intelligent pressure monitoring system, which can real-time monitor the internal pressure of the airbag, automatically alarm when the pressure is too high or too low, and realize automatic pressure relief and supplementary inflation. It avoids safety hazards such as over-inflation explosion and under-inflation deformation caused by manual operation errors, ensuring safe operation even in complex restricted port environments with unstable power supply. The built-in stainless steel air inlet valve enhances air tightness and service life.
- Tide-Adaptive & Terrain-Resistant Design: Optimized for the frequent tide changes and uneven terrain of restricted ports, the product adopts an adjustable buoyancy design, which can flexibly adjust the internal pressure according to tide changes (water level fluctuation of 0.3-1.5m), ensuring stable positioning of the ship during docking and launching. The bottom is designed with a non-slip convex texture and wear-resistant composite layer, which can firmly grasp uneven terrain such as gravel, mud, and concrete, avoiding slipping during operation, and adapting to shallow water environments with a minimum water depth of 0.4m.
- Multi-Scenario Integrated Application: Integrate five core functions—ship launching, docking buffer, temporary lifting, emergency salvage, and hull maintenance—realizing one airbag for multiple scenarios. The Versatile Marine Safety Airbags for Restricted Port can be used for launching small ships in narrow launching sites, buffering ship docking under variable tide conditions, lifting ships for bottom maintenance, salvaging grounded or sunken small ships, and adjusting ship positions in shallow water areas, reducing the need for multiple types of equipment and saving equipment investment costs.
- Cold-Resistant & Easy Maintenance: Optimize the rubber formula, add special cold-resistant additives, and the applicable temperature range is extended to -35℃ to 70℃, which can stably operate in high-latitude low-temperature restricted ports (such as northern European and Russian inland ports) without brittleness or performance degradation. The surface adopts a talcum powder-free production process, which is smooth and easy to clean. Regular simple maintenance can extend the service life to 15 years, reducing maintenance costs for users.
- Safety-Oriented Upgraded Design: Different from ordinary restricted port airbags, this product takes safety as the core, integrating anti-puncture, intelligent pressure control, and high-strength reinforcement technologies. The five-layer composite structure and 5.1 safety factor effectively avoid puncture, air leakage, and explosion risks, which is more suitable for restricted ports with complex and harsh operation environments. It has passed 5000 times of anti-puncture tests and 3000 hours of pressure stability tests, ensuring safe operation in extreme scenarios.
- Tide & Low-Temperature Adaptability: Targeting the pain points of tide changes and low-temperature operation in restricted ports, the adjustable buoyancy design can flexibly adapt to water level fluctuations, ensuring stable operation under variable tide conditions; the cold-resistant formula extends the applicable temperature range to -35℃, solving the problem that ordinary airbags are brittle and easy to crack in low-temperature environments, expanding the application scope to high-latitude restricted ports.
- Multi-Functional Integration & Cost Saving: Integrate five core functions, realizing one airbag for multiple uses, which can replace multiple types of marine equipment such as launching airbags, docking fenders, and lifting airbags. Compared with purchasing multiple equipment separately, it can save 40%-60% of equipment purchase costs, and reduce storage, maintenance, and labor costs, bringing significant economic benefits to users.
- Intelligent Operation & Labor Saving: The IoT intelligent pressure monitoring system realizes automatic pressure monitoring, alarm, relief, and supplementary inflation, reducing manual operation intensity and avoiding human errors. The lightweight and portable design (weight reduced by 25% compared with the same type of products) and portable lifting handles allow 2 staff to complete layout and operation, improving operation efficiency by 45% compared with ordinary airbags.
- Customization & Long Service Life: Our Versatile Marine Safety Airbags for Restricted Port support personalized customization according to the specific space size, water depth, tide change range, and ship tonnage of restricted ports, including diameter, length, pressure parameters, and anti-puncture grade. The product has a service life of up to 15 years, which is 4 years longer than ordinary restricted port airbags, reducing the frequency of replacement and purchase costs, and improving the cost performance of the product.
|
SK-6 MARINE AIRBAG |
Diameter |
Safety Working |
Working |
Bearing Capacity |
|
|
KN/m |
T/m |
||||
|
D=1.0m |
0.20MPa |
0.6m |
126.76 |
12.82 |
|
|
0.5m |
157.76 |
16.02 |
|||
|
0.4m |
188.65 |
19.23 |
|||
|
D=1.2m |
0.17MPa |
0.7m |
133.61 |
13.62 |
|
|
0.6m |
160.30 |
16.34 |
|||
|
0.5m |
187.07 |
19.07 |
|||
|
0.4m |
213.76 |
21.79 |
|||
|
D=1.5m |
0.13MPa |
0.9m |
122.63 |
12.50 |
|
|
0.8m |
143.03 |
14.58 |
|||
|
0.7m |
163.43 |
16.66 |
|||
|
0.6m |
183.94 |
18.75 |
|||
|
0.5m |
204.34 |
20.83 |
|||
|
D=1.8m |
0.11MPa |
1.1m |
120.96 |
12.33 |
|
|
1.0m |
138.22 |
14.09 |
|||
|
0.9m |
155.59 |
15.86 |
|||
|
0.8m |
172.85 |
17.62 |
|||
|
0.7m |
190.22 |
19.39 |
|||
|
0.6m |
207.48 |
21.15 |
|||
|
D=2.0m |
0.10MPa |
1.2m |
125.76 |
12.82 |
|
|
1.1m |
141.46 |
14.42 |
|||
|
1.0m |
157.16 |
16.02 |
|||
|
0.9m |
172.85 |
17.62 |
|||
|
0.8m |
188.64 |
19.23 |
|||
|
0.7m |
204.34 |
20.83 |
|||
|
0.6m |
220.04 |
22.43 |
|||
| Dimension | Our Strengths | Value to You |
| Technical Customization | 18 years of R&D focused on Restricted Port Operations and specialized terrain. | Overcome technical bottlenecks caused by limited space, complex topography, or extreme tides. |
| Quality Assurance | Premium imported raw materials + CCS, BV, and DNV certifications. | Maximum safety coefficients that mitigate operational risks and protect your high-value assets. |
| Supply Chain Efficiency | Strategic location near Qingdao Port with lead times 5-7 days shorter than the industry average. | Optimize your inventory management and ensure your project stays on schedule. |
| Expert Support | Full-cycle service including on-site installation guidance and free technical training. | Lower the barrier to entry for your team and ensure seamless, high-efficiency operations from day one. |
| Proven Track Record | Trusted by 50+ ports and shipyards globally, from inland waterways to high-latitude regions. | Leverage field-tested experience to avoid common pitfalls and ensure project success. |
- Q: Can this airbag adapt to restricted ports with large tide fluctuations (water level fluctuation of 1.8m)?
A: The conventional adjustable buoyancy range of our product is 0.3-1.5m. For restricted ports with a water level fluctuation of 1.8m, we can customize the Versatile Marine Safety Airbags for Restricted Port's pressure adjustment system and buoyancy structure, expand the adjustable range to 0.3-2.0m, and match the intelligent pressure monitoring system to ensure stable operation under large tide fluctuations, avoiding ship position deviation.
- Q: What is the anti-puncture performance of the airbag? Can it resist scratches from sharp gravel in restricted ports?
A: The outer layer of the product adopts a 12mm thick anti-puncture neoprene rubber layer, combined with high-strength synthetic tire cord reinforcement, which can resist scratches from sharp gravel, steel bars, and marine debris with a hardness of up to 80HRC. It has passed servial times of anti-puncture tests, and no puncture or air leakage occurred, fully meeting the anti-puncture needs of restricted port operations.
- Q: Is it suitable for low-temperature restricted ports in northern regions? What is the minimum applicable temperature?
A: The product is specially optimized for low-temperature environments, adding special cold-resistant additives, and the minimum applicable temperature is -35℃, which can stably operate in northern low-temperature restricted ports (such as northeast China, northern Europe, and Russia). Even in extreme freezing conditions, it can maintain good flexibility and bearing capacity, without brittleness or performance degradation.
- Q: What is the minimum order quantity for customized products? How long is the production cycle?
A: The minimum order quantity for customized products is 1 piece, which is suitable for small-batch purchase by small restricted ports and small shipyards. The production cycle is 45-60 days, depending on the specific customization requirements (diameter, length, pressure parameters, etc.). We will set up a special project team to track the production progress and feed back to you in a timely manner to ensure on-time delivery.
- Q: How to maintain the airbag in low-temperature and high-humidity restricted port environments?
A: After each use, clean the surface gravel, dirt, and seawater with clean water in time, dry it naturally, and avoid direct sunlight and high-temperature baking; when storing in low-temperature environments, place it in a dry and insulated warehouse, fill it with a small amount of air to keep it slightly expanded, and coat the surface with a special anti-freezing protective agent; it is recommended to conduct a comprehensive inspection every 3 months, focusing on checking the air tightness, pressure monitoring system, and surface anti-puncture layer, and repair it in time if there is any abnormality.
Contact us and let us know your needs for high quality Versatile Marine Safety Airbags for Restricted Port!
Address
No. 869, Yanqing Road, Tongji Street, Jimo District, Qingdao City, Shandong Province, China
Tel
Phone: +86-15853213129
Mobile: +86-15908962397
Address:No. 869, Yanqing Road, Tongji Street, Jimo District, Qingdao City, Shandong Province, China
Copyright © 2025 Qingdao SunKai Marine Supplies Co., Ltd. All Rights Reserved.