Boat Salvage Lift Bag - Reliable Buoyancy, Durable Construction, Quick Setup
The Boat Lift Helper, also known as Cylindrical Underwater Lift Bags, is a professional-grade buoyancy aid designed to safely lift, support, or salvage vessels and underwater structures. Made from heavy-duty, tear-resistant coated fabrics, these lift bags provide reliable buoyant force in both shallow and deep-water conditions.
Key Advantages
- Cylindrical design minimizes sway and rotational forces during ascent
- Heavy-duty, tear-resistant coated fabrics for durability
- Reinforced D-rings and straps for secure attachment
- High-visibility panels for diver monitoring
- Quick deployment and controlled ascent
Case Study
In 2023, a marine salvage company in Miami used 12 Boat Lift Helper units to recover a 12-ton fishing vessel that had sunk at a marina entrance. The cylindrical lift bags were deployed by a three-diver team in less than 30 minutes, resulting in a 40% time reduction compared to traditional square-style lift bags.
Technical Specifications
| Product Name |
Boat Lift Helper |
| Raw Material |
PVC Coating Fabric |
| Type |
Cylindrical |
| Available Sizes |
500kg, 1000kg, 5000kg, 10000kg, etc. |
| Thickness |
0.4-1.2mm (or as requested) |
| Color Options |
Yellow, Blue, Black, etc. |
| Safety Factor |
7:1 |
Model Specifications
| Model |
Buoyancy (kg) |
Buoyancy (lbs) |
Diameter (mm) |
Length (mm) |
Weight (kg) |
| HM-BLH01 |
200 |
441 |
500 |
1,000 |
5 |
| HM-BLH02 |
500 |
1,103 |
800 |
1,000 |
8 |
| HM-BLH03 |
1,000 |
2,205 |
1,000 |
1,500 |
11 |
| HM-BLH04 |
2,000 |
4,410 |
1,300 |
1,500 |
20 |
| HM-BLH05 |
4,000 |
8,820 |
1,600 |
2,000 |
50 |
| HM-BLH06 |
6,000 |
13,230 |
2,000 |
2,000 |
66 |
| HM-BLH07 |
8,000 |
17,640 |
2,000 |
2,600 |
75 |
| HM-BLH08 |
10,000 |
22,050 |
2,400 |
2,400 |
80 |
*Note: Other sizes can be customized according to requirements.
Key Features
High Buoyancy and Stable Ascent: Offers buoyant force from 1 ton to over 50 tons per bag with controlled ascent.
Heavy Duty Tear Resistant Fabric: Double-coated, high-strength PVC or polyurethane fabric resists abrasion, tearing, UV exposure, and chemical corrosion.
Quick Deployment and Easy Handling: Compact, rollable design allows for easy transport and deployment by a single diver in under 5 minutes.
Safety and Control Features: Equipped with overpressure relief valves, multiple inflation ports, and high-visibility colors.
Applications
- Boat and yacht salvage operations
- Marine construction and maintenance
- Emergency response and rescue operations
- Underwater placement or removal of structures
Why Choose Hongruntong Marine?
- 20+ years of marine equipment manufacturing experience
- ISO 9001-certified production facility
- Rigorous quality control and testing procedures
- Global client base in over 30 countries
- Comprehensive after-sales support and training
Frequently Asked Questions
What lifting capacities are available?
Models range from 1-ton to 50-ton buoyancy per bag, with multiple bags combinable for larger loads.
How should the lift bags be maintained?
Rinse with fresh water after use, inspect for wear, and store deflated in a dry area. Properly maintained bags last 8-12 years.
What are the operating conditions?
Designed for -20°C to 60°C, resistant to UV, hydrocarbons, and saltwater. Can be inflated with standard scuba cylinders or compressors.
Product Images
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