Hongruntong Marine LLC.
Your most reliable manufacturer of marine equipment！
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Heavy Duty Marine Salvage Air Bags High Tensile Rubber 1.5m – 3.0m Diameter
Description
As a trusted manufacturer, Hongruntong Marine delivers advanced marine salvage airbags tailored for underwater lifting and support. The airbags’ robust cylindrical form, reinforced with 6–12 layers of high-quality cord, ensures excellent load-bearing and long-term operational reliability.
We offer full customization in size, lifting capacity, and end fittings, making our airbags suitable for both emergency salvage and routine underwater lifting operations. Their reusable design, rapid inflation, and safe release mechanism reduce operational risks and labor time.
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
Reusable and Long Lasting
Designed for multiple uses with minimal wear, reducing overall salvage costs.
Corrosion-Resistant Materials
Special rubber formulation resists saltwater corrosion and harsh marine environments.
UV and Ozone Resistant
Offers excellent performance under direct sunlight and long-term exposure to air and seawater.
Flexible and Lightweight
Easier to handle and position underwater compared to rigid flotation devices.
Applications
• Shipwreck Salvage
• Sunken Vessel Refloating
• Pipeline Installation Support
• Underwater Equipment Lifting
Advantages
Competitive Pricing Without Compromising Quality
Factory-direct supply ensures cost-effectiveness and value for money.
On-Site Technical Guidance Available
Support for installation, operation, and troubleshooting at project sites.
Comprehensive Accessory Supply
Lifting belts, valves, shackles, and inflation tools provided as complete kits.
Large Inventory for Rapid Delivery
Popular sizes in stock to shorten lead times for urgent projects.
FAQ
1. What is the expected service life of the airbags?
With proper use and maintenance, the airbags can last over 8–10 years.
3. What certifications do your airbags have?
Our airbags are ISO9001 certified, and pressure tests comply with international standards.
4. Can they be used with lifting slings or shackles?
Yes, we provide airbags with reinforced ends, D-rings, or belts for lifting gear integration.
5. Are training and instructions provided?
Yes, we provide detailed user manuals, operation videos, and technical guidance upon request.