Qingdao Luhang Marine Airbag and Fender Co., Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 30 Units Per Month |
| Delivery Time | 10-15 work days |
| Packaging Details | Inflated or Deflated on Pallet |
| Product Name | Marine Launching Pneumatic Airbags |
| Material | Natural Rubber And Tyre Cord |
| Usuage | Ship Boat Launching And Landing |
| Feature | Tyre Cord Rubber Layer |
| Size | As Per Requirement |
| Standard | ISO 17357 |
| Brand Name | Lu Hang |
| Model Number | LHA2 |
| Certification | CCS/BV/ABS/SGS |
| Place of Origin | Qingdao, China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 30 Units Per Month |
| Delivery Time | 10-15 work days | Packaging Details | Inflated or Deflated on Pallet |
| Product Name | Marine Launching Pneumatic Airbags | Material | Natural Rubber And Tyre Cord |
| Usuage | Ship Boat Launching And Landing | Feature | Tyre Cord Rubber Layer |
| Size | As Per Requirement | Standard | ISO 17357 |
| Brand Name | Lu Hang | Model Number | LHA2 |
| Certification | CCS/BV/ABS/SGS | Place of Origin | Qingdao, China |
| High Light | Ship Launching Pneumatic Airbags ，Hauling Pneumatic Airbags ，Marine Launching Pneumatic Airbags | ||
What are Marine Launching Pneumatic Airbags?
Marine Launching Pneumatic Airbags are specialized devices used in the marine industry, particularly during the launching and hauling of ships and other large marine structures. These airbags are made of high-strength, flexible materials that can be inflated with air. When properly positioned under a vessel, they provide a cushioning and buoyant support system. During the launching process, the airbags help to smoothly transfer the weight of the ship from the building berth to the water. They reduce friction and stress on the hull, minimizing the risk of damage during this critical operation. In the case of hauling, marine launching pneumatic airbags can be used to lift a ship out of the water onto a slipway or dry dock. By carefully adjusting the inflation and deflation of the airbags, the vessel can be maneuvered safely and precisely. These airbags come in various sizes and load-bearing capacities to accommodate different types and sizes of marine vessels. They are an essential tool in shipyards and marine repair facilities, enabling efficient and safe handling of ships during key stages of their lifecycle. Overall, marine launching pneumatic airbags play a crucial role in the marine industry, facilitating operations that are vital for the construction, maintenance, and movement of ships and other marine structures.
Key Features
High Load-Bearing Capacity
One of the most remarkable features of marine launching pneumatic airbags is their ability to support extremely heavy loads. Depending on the size and construction of the airbag, they can bear loads ranging from a few tons to hundreds of tons. This makes them suitable for launching and hauling small boats, yachts, as well as large commercial vessels and even some naval ships.
Flexibility and Adaptability
These airbags are highly flexible, allowing them to conform to the shape of the vessel's hull. This flexibility ensures a secure and stable support system during launching and hauling operations. They can be easily positioned and adjusted according to the specific needs of each project, whether it's a vessel with a flat bottom or a more complex hull shape.
Cushioning Effect
The air inside the bags acts as a natural shock absorber, providing a cushioning effect that protects the vessel's hull from damage during the launching and hauling processes. This is particularly important as it reduces the risk of scratches, dents, and other structural damages that could occur when using more rigid support systems.
Easy Installation and Operation
Marine launching pneumatic airbags are relatively easy to install and operate. They can be quickly inflated using air compressors, and deflated just as easily after the operation is complete. This simplicity of use reduces the time and labor required for launching and hauling operations, increasing overall efficiency.
Working Principle
During the launching process, the airbags are placed beneath the vessel at strategic locations. As the airbags are inflated, they gradually lift the vessel off the ground or launching ramp. The air pressure inside the bags creates a buoyant force that supports the weight of the vessel. As the vessel is moved forward, the airbags roll along the surface, providing a smooth and continuous support.
For hauling operations, the process is reversed. The airbags are positioned under the vessel in the water, inflated to lift the vessel, and then slowly moved onto the slipway or dry dock. The controlled inflation and deflation of the airbags allow for precise maneuvering of the vessel.
Marine Launching Pneumatic Airbags Material
Outer Coating Materials
Natural Rubber: Natural rubber is often used as an outer coating material for marine launching pneumatic airbags. It has excellent elasticity, which allows the airbag to stretch and deform under load without losing its structural integrity. This property is essential as the airbag needs to conform to the shape of the vessel's hull during launching and hauling operations. Additionally, natural rubber has good abrasion resistance, protecting the airbag from damage when it comes into contact with rough surfaces such as the launching ramp or the hull of the ship.
Synthetic Rubber: Synthetic rubbers like neoprene and nitrile rubber are also popular choices. Neoprene has outstanding resistance to ozone, sunlight, and chemicals, making it suitable for marine environments where the airbags are exposed to harsh weather conditions and seawater. Nitrile rubber, on the other hand, offers excellent oil and fuel resistance. This is important as the airbags may come into contact with oil or fuel residues in the marine environment, and the resistance helps to prevent degradation of the material.
Polyurethane Coating
Polyurethane coatings are applied to some marine airbags to enhance their performance. Polyurethane has high strength and toughness, providing an additional layer of protection to the airbag. It also has good adhesion properties, ensuring that the coating adheres well to the underlying fabric. This coating can improve the airbag's resistance to wear, tear, and environmental factors, extending its lifespan.
Reinforcing Fabrics
Nylon is a widely used reinforcing fabric in marine launching pneumatic airbags. It has a high tensile strength, which means it can withstand large pulling forces without breaking. Nylon fabrics are lightweight yet strong, allowing the airbags to be both durable and easy to handle. The fabric's strength is crucial in maintaining the shape and integrity of the airbag when it is inflated and under load. Nylon also has good resistance to abrasion and chemicals, further contributing to the airbag's durability in the marine environment.
Marine Launching Pneumatic Airbags Specification
Marine launching pneumatic airbags are essential tools in the shipbuilding and ship - repair industries, designed to facilitate the safe and efficient launching and hauling of vessels. These airbags come with a set of specifications that ensure their proper performance under various conditions.
| Size | Diameter | 1.0m, 1.2m, 1.5m, 1.8m, 2.0m, 2.2m, 2.5m, 2.8m, 3.0m |
| Effective Length | 6m, 10m, 12m, 15m, 18m, 20m, 22m, 24m, etc | |
| Layers | 4 layers, 5 layers, 6 layers, 8 layers, 10 layers, 12 layers |
| Model | Dia | Effective Length | Overall Length | Cord Layer | Rubber Plate | Thickness | 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 | |||||||||
Size can be customized
FAQ
How do marine launching pneumatic airbags work?
During the launching process, the airbags are placed beneath the vessel at strategic locations. As they are inflated with air, they gradually lift the vessel off the ground or launching ramp. The air pressure inside the bags creates a buoyant force that supports the weight of the vessel. As the vessel is moved forward, the airbags roll along the surface, providing a smooth and continuous support. For hauling operations, the process is reversed. The airbags are positioned under the vessel in the water, inflated to lift the vessel, and then slowly moved onto the slipway or dry dock.
What are the advantages of using marine launching pneumatic airbags?
Cost - effective: Compared to traditional launching and hauling methods such as using large cranes or building elaborate launching structures, pneumatic airbags are relatively inexpensive. They require less infrastructure and can be reused for multiple projects.
Flexibility: They can be used for a wide range of vessel sizes and shapes. Their flexibility allows them to conform to the hull of the vessel, providing a secure support system.
Safe: The air inside the bags acts as a cushion, reducing the risk of damage to the vessel's hull during the launching and hauling processes. They also offer a more stable support compared to some other methods, minimizing the chances of the vessel tipping or experiencing sudden impacts.
What materials are marine launching pneumatic airbags made of?
The outer layer is usually made of high - strength synthetic fabrics such as nylon or polyester, which are coated with a durable rubber layer. The nylon or polyester fabric provides the necessary tensile strength to withstand the pressure and load, while the rubber coating offers protection against abrasion, water, and chemicals in the marine environment.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
6,000,000-8,000,000
Employee Number:
110~120
Ecer Certification：
Verified Supplier
Initially established as Qingdao Luhang Marine Airbag Factory in 1988 and changed to Qingdao Luhang Marine Airbags and Fenders Co.,Ltd in 2011, Qingdao Luhang had been devoted itself to developing and manufacturing marine airbags and marine fenders for more than 2 decades. The factory area i... Initially established as Qingdao Luhang Marine Airbag Factory in 1988 and changed to Qingdao Luhang Marine Airbags and Fenders Co.,Ltd in 2011, Qingdao Luhang had been devoted itself to developing and manufacturing marine airbags and marine fenders for more than 2 decades. The factory area i...
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