Hongruntong Marine LLC.
                                                                                                           
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36 Years
Since 1990
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250kg Commerical Underwater Lift Bags Inflatable Marine Salvage Lifting Bags

Price Negotiable
Price: USD24 to USD680 Per Piece
MOQ: 1
Delivery Time: 5-7 Work Days
Brand: Hongruntong Marine
Product Description

250kg Commerical Underwater Lift Bags Inflatable Marine Salvage Lifting Bags

 

Description

 

Specialized underwater lift bags are used for the installation, repair, and maintenance of underwater pipelines and cables. These bags provide controlled buoyancy to lift, position, and adjust submerged infrastructure without damaging delicate components. With a range of buoyancy levels and secure attachment points, our lift bags offer precision control, making pipeline and cable handling more efficient and cost effective.

 

 

 

Specifications

 

Product Name Underwater Lift Bags
Raw Material Top Notch PVC Coating Fabric
Type Parachute
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
Accessories Valve, Inflatable Tube, Repair Material
OEM Welcome
Warranty 3 Years

 

Tolerances

+/- 0.03 on densities

+/- 0.2 mm on thickness

+/- 0 to +3mm on width

+/- 0 to +3mm on length

 

Model Lifting Capacity Dimensions Appr. Weight
Parachute [kg] [lbs] [mm] [kg]
HM-ULB01 200 441 800 5
HM-ULB02 500 1,103 1,000 8
HM-ULB03 1,000 2,205 1,300 11
HM-ULB04 2,000 4,410 1,600 20
HM-ULB05 4,000 8,820 2,000 50
HM-ULB06 6,000 13,230 2,300 66
HM-ULB07 8,000 17,640 2,500 75
HM-ULB08 10,000 22,050 2,700 80
HM-ULB09 15,000 33,075 3,100 110
HM-ULB10 20,000 44,100 3,400 130
HM-ULB11 30,000 66,150 3,900 170
HM-ULB12 50,000 110,250 4,600 220
HM-ULB13 70,000 154,350 5,200 310
HM-ULB14 100,000 220,500 5,800 450
HM-ULB15 150,000 330,750 6,600 660
HM-ULB16 200,000 441,000 7,300 900
*Note: Other sizes can be customized according to the requirements.

 

 

Features

 

High Strength Fabric Construction
Manufactured using heavy-duty, coated nylon or PVC materials for maximum durability and resistance to harsh underwater conditions.


Reinforced Seams for Strength
All seams are thermally or RF welded and reinforced to prevent leaks and ensure long-lasting performance under heavy loads.


Open Bottom  Enclosed Lift Bag Designs
Available in open-bottom parachute-style for rapid ascent and enclosed types for precise buoyancy control.


Wide Range of Buoyancy Capacities
Lift bags range from 50 kg to over 50,000 kg buoyancy, catering to various lifting needs.

 

 

Applications
 

Raising submerged oil spill containment barriers
Floating and installing underwater sensors
Aiding in deep-sea habitat restoration
Lifting and repositioning subsea storage tanks
Underwater rescue training exercises
Controlled sinking and placement of structures
Positioning and moving subsea manifolds

 

 

Advantages

 

Over 30 Years of Industry Experience
With more than three decades of expertise, we have refined our manufacturing techniques to produce world-class underwater lift bags.

 

High Quality Materials
Our lift bags are made from high-strength, coated nylon or PVC fabric, ensuring durability and resistance to harsh marine environments.

 

Advanced Welding Technology
We use RF welding and heat-sealing technology to create airtight seams, preventing leaks and ensuring long-term reliability.

 

Wide Range of Buoyancy Capacities
We offer lift bags with buoyancy capacities ranging from 50 kg to over 50,000 kg, meeting diverse lifting needs.

 

 

 

FAQ

 

1. Can underwater lift bags be used for retrieving items from underwater caves?
Yes, underwater lift bags can be used for retrieving items from underwater caves, but caution should be taken to ensure the lift operation is carried out safely in confined spaces.

 

2. Can underwater lift bags be used for lifting large marine animals?
Underwater lift bags are not typically used for lifting large marine animals, as specialized equipment and techniques are needed for handling wildlife.

 

3. Are there different shapes and sizes of underwater lift bags available?
Yes, underwater lift bags come in a variety of shapes and sizes to suit different lifting requirements and capacities.

 

4. Can underwater lift bags be customized for specific lifting operations?
Yes, some manufacturers offer customized underwater lift bags for specific lifting operations, with features such as increased capacity or special attachment points.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hongruntong Marine LLC.
Location C1-7, Xuhui Center, Jinguan North 2nd Street, Shunyi District, Beijing City, P.R. China 101300
Contact Person William Lau

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