Safety Operation Customized Size Marine Air Bag With High Tensile Strength

Product Specification

D1.6 m x L15m x 6layers 3-Strand Cords High Strength Marine Air Bag

LUHANG marine rubber airbags are commonly used for projects in the heavy industry and marine shipbuilding sector.

Some of their most common uses are as follows:

• Launching of 250-ton to 10,000-ton ships or boats. Sometimes even more
• Launching of heavy large structures up to 10,000-tons
• Hauling out of large marine structures including ships for repairs or recycle
• Providing additional buoyancy for marine salvage projects or flotation needs (reducing draft of barges etc)
• Moving heavy structures on land (a suitable alternative to transporters)

The usage of marine airbags are especially common in the shipbuilding space. However, there has been a misconception in the product, as well as large differences in pricing available in the market. In fact, many of the suppliers claim they are providing xx amount of layers, xx amount of weight etc to justify that their product quality is the same as many of the trusted manufacturers’ products. The vast differences in prices manage to confuse many of these airbag buyers. So, what are the “promises” usually made that a buyer should be careful of?

If you don’t know of marine airbags, and would like to learn more about it, Interested to learn how our on-site team can help launching and hauling

How It Works Using Marine Airbags for Ship Launching and Pulling

1. Place airbags under the vessel between the supporting blocks and inflate them to lift the vessel. And then remove the blocks under the vessel after lifted.

• For the light weight vessel, only several pieces airbags can fully lift the vessel at one time and then remove the blocks and place more airbags for launching.
• For the big weight vessel, it will be lifted step by step. First put the airbags under the vessel. Second: Pump part airbags, if vessel is lifted from blocks then remove blocks. The sequence of block removal is middle first then sides. Third: Adjust inflated airbags’ position to be accurate since during lifting some airbags’ positions are hampered by blocks. Fourth: Pump more airbags to continue release blocks and remove them. Fifth: Repeat pumping and remove until all blocks are removed. During this process some blocks may be difficult to be released, people may pump airbags’ pressure to be high pressure. If high pressure still doesn’t work, people may deflate some groups of airbags and underlay them. Sixth: When all blocks are removed adjust airbags’ position. Seventh: Adjust pressures of airbags.

2. Adjust airbags’ pressures. Check all airbags’ working height, especially airbags at bow, if working heights are less than 0.3 m then people should adjust the airbag’s pressure to increase its working height.

3. Block launching area and prepare good communication for the launch command.

4. When water level reach desired level, cut off pulling ropes and release the vessel. If the launching water area is limited, people may use winch to release the vessel slowly into the water.

5. Reclaim airbags after launch.

Do not be misled by suppliers who supply old re-used rubber, weak

cords with lower number of true layers and more. Top quality Marine Airbags can be used up to 9 years, and in the long run, actually helps you save

Why Choose LUHANG Marine Airbags

• 2 or 3-strand cords with great tensile strength
• High quality rubber raw material
• Superb quality and above average thickness for rubber layers
• Strictly comply to the standard of ISO 14409:2001 (E) Ships and marine technology – Ship launching air bags

LUHANG Marine airbag production line

We buy raw material natural rubber(from Thailand,Vietnam,Yunnan), carbon black, SBR,etc.Then Mix them as the rates(which can make sure the performance of airbags and fenders),after machine mixing and calendering,then we can see the fabric rubber layer and rubber plate.Now the workers can use them to produce the airbags and fenders. After then,we send the products to the vulcanizer to finished vulcanization.Then we will inflate the products to check the air leakage.If no problem we will packing them to pallets,waiting to ship to u.

Marine Airbag Specification

• The standard specification of marine airbags.

You can choose the required diameter and effective length to meet your projects.

★Diameter (D): from 0.5m to 5.0m.

★Effective Length (EL): from 5m to 30m.

★Total Length (TL): from 6m to 32m

The above specifications only are our standard specifications arrange. Can be supplied customized size upon customers’ request.

• The standard number of layers

The number of layers, which mean the number of Synthetic-tyre-cord layer, usually, our airbags contain 3,4, 5, 6, 7, 8, 9,10 layers types. Other type is still available upon your request to confirm the Safety Working Pressure.

 LUHANG Marine Rubber Airbag Working pressure

LUHANG Marine Rubber Airbags Advantages

• High precision engineering using 2 or 3 -strand cords with great tensile strength.
• Made from NEW industry leading quality rubber.
• Assurance of true number of layers.
• High-performance quality and above-industry-standard layer thickness.
• Quality detailing jobs, Ex: air valve length, ends’ extra layering, tighter connection with minimal failure etc. These areas are often neglected but extremely important to ensure your safety and maximise your return by prolonging useful life.

Marine rubber airbags use matters needing attention

a. Working pressure control in our safe working pressure.

b. Avoid contact with sharp objects

c. when Long time not need , should wash to dry , placed in a cool dry ventilated place . Storage place away from heat , acid and alkali , oil and grease

LUHANG Certification

LUHANG Company has been Certificated by ISO 9001:2009, CCS, BV, SGS, GL, DNV.

Passed Environment Management System Certification, and OHSMS Certification.

LUHANG Products have been approved by CCS, BV, LR, DNV, GL, ABS, V-TRUST and other third party inspector.

Company Information

Qingdao Luhang Marine Airbag and Fender Company is the leading & professional & largest company that initiated airbags for ship launching in China from year of 1998. During 30 years’ development and experience in airbag production and ship launching, our ship launching airbags have become the most reliable. Since then, more cargo vessels, barges, chemical tankers, tugboats, AHTS vessels, floating docks, and even contstruction caissons have all been launched using our airbags. Aside from ship hauling & launching.