Totally Enclosed Air Lift Bags
Hongruntong Marine’s Totally Enclosed Air Lift Bags are specially designed for safe and controlled underwater lifting, salvage, and buoyancy support. The fully enclosed PVC construction ensures water-tight integrity, long-term durability, and excellent resistance to seawater, abrasion, and UV exposure. These air lift bags provide consistent buoyancy for heavy objects in offshore, nearshore, and deep-water applications.
Features & Benefits
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Fully Enclosed PVC Design – Maintains airtight integrity for predictable buoyancy.
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High Load Capacity – Capable of lifting single objects from 1 ton up to 50 tons, suitable for diverse marine tasks.
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Lightweight & Easy to Deploy – Foldable design enables rapid transport and deployment even in confined areas.
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Long-Lasting Performance – Resistant to seawater corrosion, abrasion, and UV exposure for extended service life.
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Enhanced Stability – Parachute-style design prevents tilting or uncontrolled ascent.
Applications
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Shipwreck and sunken object recovery
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Underwater pipeline and cable installation
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Offshore platform and dock construction
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Marine salvage and maintenance
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Heavy object repositioning in shallow and deep waters
Why Choose Hongruntong Air Lift Bags?
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35+ Years of Industry Expertise in underwater lifting solutions
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ISO-Certified Manufacturing ensuring top-quality products
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Customized Specifications for different lifting capacities and project requirements
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Worldwide Shipping & Technical Support to suit any marine environment
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Proven Track Record in large-scale salvage and underwater operations
Specifications
| Model | Diameter | Length | Buoyancy | |
| Totally Enclosed | [mm] | [mm] | [ton] | [lbs] |
| HMTE-1/5 | 500 | 1,000 | 0.2 | 400 |
| HMTE-1/2 | 800 | 1,000 | 0.5 | 1,000 |
| HMTE-1 | 1,000 | 1,500 | 1 | 2,000 |
| HMTE-2 | 1,300 | 1,500 | 2 | 4,000 |
| HMTE-4 | 1,600 | 2,000 | 4 | 8,000 |
| HMTE-5 | 1,800 | 2,000 | 5 | 10,000 |
| HMTE-6 | 2,000 | 2,000 | 6 | 12,000 |
| HMTE-8 | 2,000 | 2,600 | 8 | 16,000 |
| HMTE-10 | 2,400 | 2,400 | 10 | 20,000 |
| HMTE-15 | 2,600 | 3,000 | 15 | 30,000 |
| HMTE-20 | 3,000 | 3,000 | 20 | 40,000 |
| HMTE-30 | 3,000 | 4,500 | 30 | 60,000 |
| HMTE-50 | 4,000 | 4,000 | 50 | 100,000 |
| HMTE-70 | 4,000 | 5,700 | 70 | 140,000 |
| HMTE-100 | 4,000 | 8,000 | 100 | 200,000 |
| HMTE-150 | 5,000 | 8,000 | 150 | 300,000 |
| HMTE-200 | 5,000 | 10,000 | 200 | 400,000 |
Detailed Photos
