200kg Boats Buoyancy Bags And Marine Lift Boat Bag For Lifting
Sunken Containers
Description
In the offshore oil and gas industry, Buoyancy Bags are crucial for
lifting and repositioning heavy structures, such as subsea
equipment, pipelines, and drilling rigs. They are often used during
installation, maintenance, and decommissioning activities. Buoyancy
Bags are designed to work in extreme conditions, including
high-pressure environments, and their ability to lift large and
heavy objects in deep waters reduces the need for more expensive
alternatives like cranes and diving operations. The versatility and
cost-effectiveness of Buoyancy Bags make them a preferred choice in
offshore engineering projects.

Specifications
Product Name | Buoyancy Bags |
Raw Material | PVC coating fabric |
Type | Cylindrical, Parachute, Pillow |
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-ULB01 | 200 | 441 | 500 | 1,000 | 5 |
HM-ULB02 | 500 | 1,103 | 800 | 1,000 | 8 |
HM-ULB03 | 1,000 | 2,205 | 1,000 | 1,500 | 11 |
HM-ULB04 | 2,000 | 4,410 | 1,300 | 1,500 | 20 |
HM-ULB05 | 4,000 | 8,820 | 1,600 | 2,000 | 50 |
HM-ULB06 | 6,000 | 13,230 | 2,000 | 2,000 | 66 |
HM-ULB07 | 8,000 | 17,640 | 2,000 | 2,600 | 75 |
HM-ULB08 | 10,000 | 22,050 | 2,400 | 2,400 | 80 |
HM-ULB09 | 15,000 | 33,075 | 2,600 | 3,000 | 110 |
HM-ULB10 | 20,000 | 44,100 | 3,000 | 3,000 | 130 |
HM-ULB11 | 30,000 | 66,150 | 3,000 | 4,500 | 170 |
HM-ULB12 | 50,000 | 110,250 | 4,000 | 4,000 | 220 |
HM-ULB13 | 70,000 | 154,350 | 4,000 | 5,700 | 310 |
HM-ULB14 | 100,000 | 220,500 | 4,000 | 8,000 | 450 |
HM-ULB15 | 150,000 | 330,750 | 5,000 | 8,000 | 660 |
HM-ULB16 | 200,000 | 441,000 | 5,000 | 10,000 | 900 |
*Note: Other sizes can be customized according to the requirements. |
Features
Reduced Environmental Impact
Since they don’t require extensive machinery, Buoyancy Bags have a
minimal environmental footprint, making them ideal for
environmentally-conscious operations.
High Quality Valve Systems
Equipped with high-quality valves, these bags allow for precise
control of air pressure and buoyancy during operations.
Safe for Delicate Objects
They provide gentle lifting, ensuring that sensitive objects like
sunken ships or underwater infrastructure are lifted without
causing damage.
Increased Efficiency
With the ability to lift heavy objects without the need for large
cranes, Buoyancy Bags speed up the lifting and recovery process.
Applications
● Lifting heavy equipment in underwater archaeology
● Lifting and repositioning submerged pipelines
● Raising offshore rig components
● Lifting sunken containers
Advantages
Cost Effective Solutions
We offer competitive pricing without compromising on quality,
providing cost-effective solutions for underwater lifting
operations.
Environmental Commitment
Our products are designed to be safe for the environment, ensuring
minimal impact when used in sensitive marine ecosystems.
Strong Global Reputation
We have earned a strong reputation for delivering high-quality
products that exceed customer expectations, earning trust from
clients worldwide.
Wide Range of Applications
Our Buoyancy Bags are suitable for a variety of industries,
including marine salvage, offshore oil and gas, construction, and
environmental cleanup.

FAQ
1. What happens if a Buoyancy Bag gets punctured?
Buoyancy Bags are designed with puncture-resistant materials, but
if punctured, they should be inspected, repaired, and re-tested
before use.
2. How many Buoyancy Bags do I need for lifting?
The number of Buoyancy Bags depends on the weight and size of the
object being lifted. Typically, multiple bags are used for large
objects.
3. Can Buoyancy Bags be used for underwater construction?
Yes, they are commonly used in underwater construction projects to
lift materials or equipment.
4. Are Buoyancy Bags effective in shallow water?
Yes, Buoyancy Bags are effective in both shallow and deep-water
environments.