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| Categories | Marine Salvage Airbags |
|---|---|
| Brand Name: | Hongruntong Marine |
| Model Number: | HM-MSA14 |
| Certification: | ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS |
| Place of Origin: | China |
| MOQ: | 1 |
| Price: | US$68-US$997 |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 1201Pcs Per Month |
| Delivery Time: | 5-8 Work Days |
| Packaging Details: | Wooden Pallets, Wooden Box |
| Name: | Marine Salvage Airbags |
| Feature: | Excellent Buoyancy Capacity |
| Standard: | IMCA D016 |
| Material: | PVC Coated Polyester Fabric |
| Inflation Tube: | 30M, Free of Charge |
| Buoyancy: | 1-100 Tons |
| Webbing Harness: | 7:1 |
| Accessories: | Slings, Shackles |
| Color: | Yellow, or As Request |
| Package: | Pallets, Wooden Box |
| OEM: | Warmly Welcomed |
| Application: | Marine Salvage |
| Company Info. |
| Hongruntong Marine LLC. |
| Verified Supplier |
| View Contact Details |
| Product List |
Lift Bags Durable High Buoyancy Wear Resistant Rubber Material
Description
Marine Salvage Airbags are essential tools in modern marine engineering. Constructed with high-strength composite materials, they offer excellent corrosion resistance, wear resistance, and airtight sealing, enabling efficient lifting, rescue, and vessel maintenance operations in deep-sea and port environments. Marine Salvage Airbags generate buoyancy through inflation, raising submerged objects steadily to the surface. They are easy to operate, reliable, and can be selected in various sizes and capacities according to different depths and weight requirements.
Case Study: Submerged Vessel Recovery at Hong Kong International Cargo Port
In 2023, a 10-ton small cargo vessel sank during a storm at Hong
Kong International Cargo Port. The port rescue team employed our
Marine Salvage Airbags for the operation. First, an underwater
remotely operated vehicle (ROV) assessed the vessel’s position and
condition to determine the required specifications and quantity of
airbags. The airbags were strategically placed at critical
structural points on the vessel, and high-pressure air was
gradually introduced to inflate the airbags. This controlled lift
allowed the vessel to rise slowly without secondary damage caused
by uneven buoyancy.
During the entire operation, the Marine Salvage Airbags demonstrated exceptional pressure resistance and stability, even in areas with strong water currents, maintaining the vessel in a balanced position. After six hours of continuous work, the vessel was safely raised to the surface for towing and clearing. The success rate was 100%, with operational efficiency improving by approximately 40% compared to traditional crane operations, significantly reducing both rescue risk and costs.
This case highlights the outstanding performance of Marine Salvage Airbags in port vessel recovery, showcasing high load-bearing buoyancy, operational ease, and corrosion resistance, providing a reliable solution for port management and emergency rescue operations.
Specifications
| Product Name | Marine Salvage Airbags |
| Raw Material | PVC Coating Fabric |
| Type | Cylindrical |
| Size | 500kg, 1000kg, 5000kg 10000kg, etc |
| Thickness | 0.4-1.2mm, or as Request |
| Color | Yellow, Blue, Black, etc |
| Density | 0.33-0.9g/cm3 |
| Safety Factor | 7:1 |
Tolerances | +/- 0.03 on Densities +/- 0.2 mm on Thickness +/- 0 to +3mm on Width +/- 0 to +3mm on Length |
| Model | Buoyancy | Diameter | Length | Appr. Weight | ||
| Cylindrical | [kg] | [lbs] | [mm] | [mm] | [kg] | |
| HM-MSA01 | 200 | 441 | 500 | 1,000 | 5 | |
| HM-MSA02 | 500 | 1,103 | 800 | 1,000 | 8 | |
| HM-MSA03 | 1,000 | 2,205 | 1,000 | 1,500 | 11 | |
| HM-MSA04 | 2,000 | 4,410 | 1,300 | 1,500 | 20 | |
| HM-MSA05 | 4,000 | 8,820 | 1,600 | 2,000 | 50 | |
| HM-MSA06 | 6,000 | 13,230 | 2,000 | 2,000 | 66 | |
| HM-MSA07 | 8,000 | 17,640 | 2,000 | 2,600 | 75 | |
| HM-MSA08 | 10,000 | 22,050 | 2,400 | 2,400 | 80 | |
| HM-MSA09 | 15,000 | 33,075 | 2,600 | 3,000 | 110 | |
| HM-MSA10 | 20,000 | 44,100 | 3,000 | 3,000 | 130 | |
| HM-MSA11 | 30,000 | 66,150 | 3,000 | 4,500 | 170 | |
| HM-MSA12 | 50,000 | 110,250 | 4,000 | 4,000 | 220 | |
| HM-MSA13 | 70,000 | 154,350 | 4,000 | 5,700 | 310 | |
| HM-MSA14 | 100,000 | 220,500 | 4,000 | 8,000 | 450 | |
| HM-MSA15 | 150,000 | 330,750 | 5,000 | 8,000 | 660 | |
| HM-MSA16 | 200,000 | 441,000 | 5,000 | 10,000 | 900 | |
| *Note: Other sizes can be customized according to the requirements. | ||||||
Features
High Strength Composite Material Design
Marine Salvage Airbags are made from multi-layer polyester fiber
and PVC composites, with an outer layer resistant to abrasion and
scratches, and an inner layer ensuring water-tightness. They
withstand high pressure in deep-sea environments and prolonged
submersion. Even at maximum rated buoyancy, the structure maintains
minimal deformation, ensuring stability during object lifting. The
material also exhibits excellent chemical resistance, handling
saltwater, oil, and other corrosive substances commonly found in
marine environments.
Modular Buoyancy Control System
Equipped with precision air valves and multiple inflation ports,
Marine Salvage Airbags allow fine-tuned buoyancy adjustment.
Operators can use single-point or multi-point inflation depending
on the weight and shape of the submerged object, ensuring a smooth
lift and reducing the risk of tilting or secondary damage. The
modular design also enables multiple airbags to work in
combination, providing sufficient buoyancy for objects ranging from
10 to 50 tons or more.
Quick Installation and Removal
Marine Salvage Airbags are lightweight and compact, making them
easy for divers to transport and deploy underwater. High-strength
straps and attachment rings allow fast securing at critical points,
minimizing diver time underwater. Even in strong currents or
low-visibility conditions, installation and removal can be
accomplished efficiently, improving operation safety and speed.
Redundant Safety Features
Multiple safety mechanisms are integrated into Marine Salvage
Airbags, including pressure relief valves, dual-layer bladders, and
pressure monitoring interfaces. Even in the event of partial damage
or abnormal pressure, the airbags retain sufficient buoyancy to
prevent accidental submersion. Surface monitoring devices provide
real-time feedback on lift status, ensuring reliable underwater
operations.
Applications
Port Vessel Recovery
Ideal for rapid recovery of sunken vessels in ports, Marine Salvage
Airbags are suitable for large container terminals, small cargo
harbors, and tourism ports. Adjustable buoyancy enables precise
lifting of vessels of varying tonnage, avoiding secondary damage
and operational delays.
Shipyard Underwater Maintenance and Installation
In shipyards or dry docks, Marine Salvage Airbags can be used for
underwater repair, hull cleaning, and equipment installation. They
are especially effective for partially submerged vessels or lifting
underwater components of large ships, improving efficiency while
reducing diver labor costs.
Scientific and Deep Sea Engineering Operations
Marine Salvage Airbags are also applicable for marine research,
underwater exploration, and deep-sea equipment recovery. Research
bases near ports or offshore engineering vessels can safely
retrieve experimental equipment, sediment samples, and deep-sea
instruments due to the airbags’ precise buoyancy control and high
reliability.
Why Choose Hongruntong Marine
Extensive Industry Experience
Hongruntong Marine has over 15 years of experience in port and
underwater marine operations, participating in hundreds of vessel
recoveries, shipyard repairs, and ocean research projects
worldwide. We understand the safety and efficiency requirements of
underwater operations and provide proven Marine Salvage Airbag
solutions.
Professional RD and Customization Capability
Our in-house RD team designs customized Marine Salvage Airbags for
different tonnage, depth, and operational environments. This
includes material selection, buoyancy design, and valve systems
tailored to specific port or vessel needs, ensuring optimal
performance.
Global Project Support and Consultation
We provide technical consultation and on-site support for marine
projects worldwide. Our experts assess site conditions, recommend
suitable airbag configurations, and supervise installation and
operation to ensure smooth, efficient, and safe project execution.
Commitment to Safety and Quality
All Marine Salvage Airbags undergo rigorous testing, including
pressure resistance, abrasion, and corrosion tests. Our quality
control ensures compliance with international marine standards,
providing customers with reliable products that guarantee safety in
critical underwater operations.
FAQ
1. What is the maximum lifting capacity of Marine Salvage Airbags?
The lifting capacity varies by model, ranging from 1 ton to over 50
tons. Multiple airbags can be combined for heavier loads.
2. Can Marine Salvage Airbags be used in saltwater and deep-sea
environments?
Yes, they are made from high-strength, corrosion-resistant
materials suitable for saltwater and deep-sea applications.
3. How is buoyancy controlled during underwater lifting?
Buoyancy is adjusted via multi-point inflation valves, allowing
gradual and precise control to maintain stability.
4. Are Marine Salvage Airbags safe for divers to operate
underwater?
Yes, the airbags include safety valves, dual-layer design, and
surface monitoring options to ensure safe diver operations.
5. Can the airbags be customized for specific projects?
Absolutely. Hongruntong Marine offers custom sizes, materials, and
buoyancy ratings to match the specific operational requirements of
ports, shipyards, or research missions.




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