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Boat Underwater Lift Bags Flotation Bags Salvage Buoyancy For Shipwreck Salvage

Categories Underwater Lift Bags
Brand Name: Hongruntong Marine
Model Number: HM-ULB92
Certification: ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
Place of Origin: China
MOQ: 1
Price: US$20-US$1650
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2990 Pcs Per Month
Delivery Time: 5-7 Work Days
Packaging Details: Wooden Pallets, Wooden Box
Product Name: Underwater Lift Bags
Material: Top Notch PVC Coating Fabric
Reinforcement: Nylon Fabric
Lifting Capacity: 200kg to 50 tons
Type: Parachute
Layers: 1-6Ply, or as Request
Thickness: 0.4mm-2.5mm, or as Request
Color: Black, Yellow, Orange, or as Request
Valve: Inflation and Pressure Release
Feature: Superior Buoyancy
Application: Salvage Operations, Underwater Construction
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Boat Underwater Lift Bags Flotation Bags Salvage Buoyancy For Shipwreck Salvage

Boat Underwater Lift Bags Flotation Bags Salvage Buoyancy for Shipwreck Salvage


Description


Underwater lift bags are essential tools used for lifting, supporting, and positioning submerged objects in marine and salvage operations. Designed with high-strength materials, these bags provide controlled buoyancy and lifting capabilities for various underwater applications. Equipped with multiple attachment points and reinforced seams, they ensure safety and reliability in lifting heavy loads. Whether for commercial diving, shipwreck recovery, or underwater construction, our lift bags are built to withstand challenging marine environments, offering excellent durability and performance.



Specifications


Product NameUnderwater Lift Bags
Raw MaterialTop Notch PVC Coating Fabric
TypeParachute
Size500kg, 1000kg, 5000kg 10000kg,etc
Thickness0.4-1.2mm, or as request
ColorYellow, Blue, Black, etc
Density0.33-0.9g/cm3
Safety Factor7:1
AccessoriesValve, Inflatable Tube, Repair Material
OEMWelcome
Warranty3 Years

Tolerances

+/- 0.03 on densities

+/- 0.2 mm on thickness

+/- 0 to +3mm on width

+/- 0 to +3mm on length


ModelLifting CapacityDimensionsAppr. Weight
Parachute[kg][lbs][mm][kg]
HM-ULB012004418005
HM-ULB025001,1031,0008
HM-ULB031,0002,2051,30011
HM-ULB042,0004,4101,60020
HM-ULB054,0008,8202,00050
HM-ULB066,00013,2302,30066
HM-ULB078,00017,6402,50075
HM-ULB0810,00022,0502,70080
HM-ULB0915,00033,0753,100110
HM-ULB1020,00044,1003,400130
HM-ULB1130,00066,1503,900170
HM-ULB1250,000110,2504,600220
HM-ULB1370,000154,3505,200310
HM-ULB14100,000220,5005,800450
HM-ULB15150,000330,7506,600660
HM-ULB16200,000441,0007,300900
*Note: Other sizes can be customized according to the requirements.

Features


No Metal Parts in Some Models
Certain designs avoid metal components, reducing weight and improving corrosion resistance.


Tested to International Standards
Every batch is pressure-tested and quality-certified before shipment for maximum reliability.


Available with Custom Branding
OEM/private labeling options allow for customized company branding and specifications.


Cost Effective Alternative to Heavy Lifting Equipment
More affordable, flexible, and easier to use than cranes or ROV-operated lifting systems.


Applications


● Shipwreck salvage
Sunken vehicle recovery
Offshore oil rig maintenance
Subsea pipeline installation


Advantages


Reliable Performance in Emergency Response
Used in disaster relief, flood recovery, and emergency salvage operations, proving their versatility.


Enhanced Load Distribution Technology
Our advanced designs minimize stress concentration points, ensuring a longer service life.


Competitive Pricing Without Compromising Quality
We provide premium-quality lift bags at competitive prices, offering the best value in the industry.


Strong Research Development Capabilities
Our continuous RD investment ensures that we stay at the forefront of underwater lifting technology.



FAQ


1. What is an underwater lift bag?
An underwater lift bag is a device used underwater to lift objects or equipment to the surface.


2. How does an underwater lift bag work?
An underwater lift bag works by filling with air, which creates buoyancy and allows the bag to lift objects to the surface.


3. What are underwater lift bags made of?
Underwater lift bags are typically made of durable materials such as PVC, nylon, or polyurethane.


4. How much weight can an underwater lift bag lift?
The lifting capacity of an underwater lift bag can vary depending on its size and design, but they are available in a range of capacities from a few kilograms to several tons.

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