QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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Pneumatic Marine Salvage Airbags Lightweight Inflatable Buoyancy Bags For Rent

Price Negotiable
Price: USD$ 500~3990
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
Shipwreck Salvage Airbag Floating Bridge And Dock Construction Inflatable Rescue Marine Airbags
Marine salvage and floatation is another application of ship launching marine airbags after update. Doowin Marine marine salvage airbags are designed with lifting belts and shackles equipped on the updated ship launching airbags.
Marine Salvage Airbags are the toughest air lifting bags. It can be used as a salvage pontoon for the supporting docks, and other floating structures. Also can be used to salvage the shipwreck, rescue the floating bridge, and dock construction. With the strongest pneumatic rubber body, salvage rubber airbags really come into their own when airbags employed in heavy-duty salvage work under a severe environment.
Marine salvage airbags in operation
Structure of Marine Salvage Rubber Airbag
Marine salvage airbags are equipped with lifting belts and shackles. For the big size, we also install safety valves. When the inner pressure reaches the rated value, it can open automatically to release the insider air-pressure.
You can choose the required diameter and effective length to meet your projects. The below specification only is our standard specification arrangement. Other specifications marine salvage airbags also can be supplied upon clients' request. The biggest buoyancy capacity can reach 300ton.
Close-up of marine salvage airbag structure Marine salvage rubber airbags in various sizes
Air Bag Parameter Marine Salvage Rubber Airbags Size
Product Name Marine Salvage Rubber Airbags
Diameter (D) 0.8 ~ 3m, or customized diameter
Effective Length (EL) 6 ~ 30m, or customized length
Total Length (TL) 7 ~ 32m, or customized length
Loading Capacity 4 ~ 300ton, or customized capacity
Type of Airbags QP-ordinary, QG-high-bearing, QS-superhigh bearing
Why Choose Rubber Marine Salvage Airbags
Rubber marine salvage airbags are made by multilayer heavy-duty synthetic-tire-cord layers. It's more sturdy and reliability than PVC air lifting bags, what are widely used for the diving or marine salvage industry.
  • High Buoyancy Capacity: Salvage rubber airbags create high buoyancy capacity with safer air pressure. The buoyancy is 1t~200t.
  • Worked for Deep Water: Marine salvage rubber airbags can be used for deepwater salvage lifting. Can install safety valves.
  • Resistant to Abrasion: Salvage rubber air bags have 6~12 plies reinforcement layers to withstand most abrasion and puncture.
  • Multipurpose Airbags: Salvage airbags can be used to provide buoyancy support for shipwrecks, pipeline laying, bridge support.
  • Versatile Applications: Their lightweight, compact design enables rapid deployment, while non-toxic materials prevent marine pollution.
Marine Salvage Airbags Buoyancy Capacity
Length D=1m D=1.2m D=1.5m D=1.8m D=2m D=2.5m D=3.0m
5m 4t 6t 9t 13t 16t 25t 35t
6m 5t 7t 11t 15t 19t 29t 42t
7m 5t 8t 12t 18t 22t 34t 49t
8m 6t 9t 14t 20t 25t 39t 57t
9m 7t 10t 16t 23t 28t 44t 64t
10m 8t 11t 18t 25t 31t 49t 71t
11m 9t 12t 19t 28t 35t 54t 78t
12m 9t 14t 21t 31t 38t 59t 85t
13m 10t 15t 23t 33t 41t 64t 92t
14m 11t 16t 25t 36t 44t 69t 99t
15m 12t 17t 27t 38t 47t 74t 106t
16m 13t 18t 28t 41t 50t 79t 113t
17m 13t 19t 30t 43t 53t 83t 120t
18m 14t 20t 32t 46t 57t 88t 127t
19m 15t 21t 34t 48t 60t 93t 134t
20m 16t 23t 35t 51t 63t 98t 141t
21m 16t 24t 37t 53t 66t 103t 148t
22m 17t 25t 39t 56t 69t 108t 156t
23m 18t 26t 41t 59t 72t 113t 163t
24m 19t 27t 42t 61t 75t 118t 170t
25m 20t 28t 44t 64t 79t 123t 177t
Marine Salvage Airbags Various Applications
Beyond emergency salvage, these airbags are widely used in offshore construction, pipeline installation, and underwater archaeology. For example, in shipwreck recovery, multiple airbags are strategically positioned and inflated in stages to distribute lifting force evenly, minimizing structural stress. Similarly, offshore industries rely on them to deploy or retrieve heavy equipment, such as subsea manifolds or drilling components.
Marine salvage airbags in various applications

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

Company QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person Xiang Sun

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