Overview of ship salvage airbag
Vessel salvage airbags-also known as rubber rollers or marine lifting rubber tubes-are widely used in salvage operations and floating tasks, making them ideal for buoyancy needs ranging from 100 to 2000 tons. Florescence airbags offer the following advantages:
Special Synthetic Tire Cord Layer Material
Our salvage airbags feature special synthetic tire-cord layers, outperforming PVC-coated fabrics in overall performance.
High-Pressure Design
With a maximum working pressure of 0.25 MPa, these airbags can operate at depths up to 25 meters.
Integral Screw-Type Construction
Our rubber rollers are fully enclosed tubes with cone-shaped ends, manufactured using integral screw technology. This seamless design (no welded joints) makes them stronger than RF-welded alternatives.
Complete Accessories
Each salvage lifting airbag comes equipped with rubber handles, nylon rope nets, and pulling rings.
Working principle of rubber airbag
Through inflating the compressed air to produce buoyancy, then using buoyancy to salvage. It is easy to operate and safe and reliable.
In addition to hang a ship in a fixed position or connected with lifting jack of the bottom of ship, ship airbag also can be placed inside the ship cabin, through filling out the cabin water to provide buoyancy.
How to salvage ship?
What equipment need to install / fix / inflate the airbag for salvage?
You will need the diver to dive underwater and strap our deflated airbag to the bottom or side of the rescue boat with a rope or net. Then the airbag is inflated with an air compressor connected through a rubber hose on the ground.
In addition to airbags, we can also provide any equipment required during the lifting or salvage of the ship, including ropes or nets, winches, rubber tubes and air compressor machines.
Operating notes as your reference:
1. The lifting speed is controlled to 1 meter per minute under normal circumstances. People should control the lifting speed to ensure that airbag havs enough time to exhaust the expanded air through the overpressure valve.
2. Binding method is very important for the success of salvage. If possible, please send us the site conditions, photos and vidoes, we will recommend a suitable salvage solution
3. The working depth of the airbags is usually less than 25m. If it exceeds 25m, we can lift the boat to working depth using airbags and ropes.
Techinical data of marine rubber salvage airbag
Customer usage photos of boat airbag
FAQ
Q : What Are Ship Launching Airbags?
Ship launching airbags are pneumatic rubber airbags used for vessel launching, landing, and marine salvage operations.
Main Features
High-strength nylon cord layers
Natural rubber outer layer
Flexible and reusable structure
Suitable for vessels up to 100,000 DWT
Q: What Sizes Are Available for Marine Airbags?
Qingdao Florescence marine airbags are available in multiple specifications.
Diameter: 0.6 m – 2.8 m
Length: 5 m – 25 m
Layers: 3 – 12 layers
Custom sizes are available upon request.
Q: What Materials Are Used in Ship Airbags?
Marine airbags are manufactured with industrial-grade rubber and reinforced synthetic cord layers.
Outer Layer: Natural rubber
Reinforcement: Nylon tire cord
Inner Layer: Airtight rubber compound
This structure ensures high pressure resistance and durability.
Q: What Is the Working Pressure of Marine Airbags?
The working pressure depends on the airbag diameter and layer quantity.
Typical Pressure Range
0.05 MPa – 0.25 MPa
All airbags are pressure-tested before delivery.
Q: How Long Do Ship Launching Airbags Last?
The average service life of marine airbags is:
Service Life
6 – 10 years under normal operation
Proper storage and maintenance can extend lifespan.
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