Natural Rubber Ship Launching Airbags
Our ship launching airbags come in a sleek black color, giving them a professional, sophisticated look. The inflatable design makes it easy to store and transport, making it a convenient choice for any boatyard or marine facility.
Description
Customizable Marine Rubber Airbags For Ship Launching And Lifting
Products Description

Ship Lifting Airbags are marine airbags designed for ship salvage and ship lifting, especially for shipyards and shipyards. The airbags are available in both inflatable and customized sizes according to the application. Our marine airbags are designed to provide the highest performance for lifting and salvage vessels at the lowest possible cost. With our marine lifting airbags, you can ensure that your ship lifting and salvage operations are successful, safe and cost-effective.
Specifications
According to different launching requirements, marine rubber airbags can be made into various sizes and layers according to the size and weight of the ship and the launching or docking conditions.
| Size | Diameter | 1.0m, 1.2m, 1.5m, 1.8m, 2.0m, 2.5m, 2.8m, 3.0m |
| Effective Length | 10m, 12m, 15m, 18m, 20m, 22m, 24m, etc | |
| Layers | 4 layers, 5 layers, 6 layers, 8 layers, 10 layers, 12 layers |
Parameters of marine airbags for launching vessels in various sizes:
| Model | Dia | Effective Length | Overall Length | Cord Layer | Rubber Plate | Thick-ness | Working Pressure | Bursting Pressure | Lifting Height | Bearing Capacity | |
| M | M | M | Layer | Layer | mm | MPa | MPa | M | Ton/meter | Ton/airbag | |
| LH-6 | 1.2 | 12 | 14 | 6 | 1 | 7.2 | 0.17 | 0.75 | 0.90 | 7.85 | 94.20 |
| 1.00 | 5.23 | 62.76 | |||||||||
| 1.10 | 2.62 | 31.44 | |||||||||
| LH-7 | 1.5 | 15 | 17 | 7 | 1 | 8.2 | 0.16 | 0.70 | 1.00 | 12.21 | 183.15 |
| 1.10 | 9.77 | 146.55 | |||||||||
| 1.20 | 7.33 | 109.95 | |||||||||
| 1.30 | 4.89 | 73.35 | |||||||||
| LH-8 | 1.8 | 18 | 20.5 | 8 | 1 | 9.2 | 0.15 | 0.67 | 1.20 | 13.96 | 251.28 |
| 1.30 | 11.63 | 15.12 | |||||||||
| 1.40 | 9.31 | 167.58 | |||||||||
| 1.50 | 6.98 | 125.64 | |||||||||
| 1.60 | 4.65 | 83.70 | |||||||||
| LH-10 | 2.0 | 20 | 23 | 10 | 1 | 11.2 | 0.17 | 0.75 | 1.30 | 18.32 | 366.40 |
| 1.40 | 15.70 | 21.98 | |||||||||
| 1.50 | 13.09 | 261.80 | |||||||||
| 1.60 | 10.47 | 209.40 | |||||||||
| 1.70 | 7.85 | 157.00 | |||||||||
Material and Construction
The wall of the marine airbag consists of multiple layers of rubber sheets. The inner layers are reinforced by nylon cord net. When the airbag is inflated, these layers support the airbag with load bearing capacity. The more layers in the airbag wall, the stronger the airbag will be. And the nylon cord net plays a vital role in strength. In addition to the cord reinforcement layer, there is a rubber layer without the cord mesh outside the airbag wall. This rubber layer is resistant to abrasion and aging. In order to maximize the function of the inner and outer layers, the rubber material has been specially optimized with a suitable blend.

Application of Marine Rubber Airbags
A.Marine Ship launching

B.Weight Lifting & Moving

C.Buoyancy Aid & Salvage

Product Advantage
Advanced production technology
Adopting the new overall winding production technology, the bag head has two more layers than the bag body, which makes the airbag stronger, and the airtightness and safety are significantly improved.
01
Selection of high-quality materials
The middle skeleton, made of rubber - coated nylon cord fabric, has a single - piece breaking strength ≥ 210N, well above the 205.8N/piece industry standard. With 90 - 94 nylon cords per 10 cc, it boosts the airbag's strength and lifespan. The inner airtight layer, a natural - butyl rubber blend with 64% - 67% rubber content (higher than industry norm), ensures high elasticity and airtightness. The outer layer, a natural - styrene - butadiene - butadiene rubber mix, is tough, wear - resistant, corrosion - resistant, and aging - resistant.
02
Scientific rubber formula
Through the special rubber formula, the service life of the airbag is twice that of ordinary airbags on the market.
Reliable connection process: Imported special high-strength rubber adhesive (Kemlok) is used to firmly connect the bag head and the iron airbag nozzle, which solves the problem of easy explosion and poor air tightness of the airbag nozzle, and also prevents the separation of the bag nozzle and the bag body caused by the rotation and displacement of the bag nozzle.
03
Reliable connection process
Imported special high-strength rubber adhesive (Kemlok) is used to firmly connect the bag head and the iron airbag nozzle, which solves the problem of easy explosion and poor air tightness of the airbag nozzle, and also prevents the separation of the bag nozzle and the bag body caused by the rotation and displacement of the bag nozzle.
04
Strict quality inspection
Before leaving the factory, each airbag needs to undergo overall appearance inspection, dimensional deviation test, air tightness test and pressure resistance test (the test pressure is 1.5-2 times the use pressure) to ensure that the working pressure and gas leakage rate per unit time meet the standards, otherwise it will never leave the factory.
05



who choose us?
Qingdao Luhang is a leading and professional manufacturer of marine airbags with more than 30 years of R&D and production experience.
With mature technology, experienced workers and strict quality control in every step of the process, we confidently guarantee that every batch of airbags produced has superior quality, especially in airtightness.
one-stop solution
professional team
high quality
Please do not hesitate to drop me a message here below or an email. Any inquiry from you will be replied immediately.
Our address
Jidong Industrial Park, Jimo, Qingdao, China
Phone Number
+86 150 6629 6661
felix@luhanggroup.com

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