What is ship launching airbag?

Marine air-bag, made of synthetic-tire-cord sheets and rubber sheets, was invented in Shandong province, China in early 1980s. It’s used to launch or haul out vessels as its first trying in marine industry. Comparing to traditional launching ways, like dry docks, mechanical slide way, ship launching airbag has the advantages in time saving, labor saving and cost saving. Airbags are safe, reliable and flexible, as well as environment friendly.

They are also known as inflatable marine airbags, rolling airbags, lifting airbags, and salvage airbags. They are widely used in launching and landing ships, lifting and moving sunken ships, laying underwater pipes, building mandrels, etc.

What is the construction of your airbag?

1. Outer Rubber layer

The outer rubber layer can protect the synthetic cord layers and inner rubber layer against abrasion from sharp objects and corrosion from sea water and bad weather condition. Also it helps to guarantee good air tightness.

1. Synthetic tyre cord layers in middle

The synthetic tyre cord layers is the reinforcement layers for airbag. The layer numbers depends on the working pressure and could be from 3 to 12layers according to customer’s demand. This material is always used in tire industry and could hold extremely high pressure under terrible using environment.

1. Inner rubber layer

The inner rubber layer is to keep air inserted into it. The thickness of inner rubber layer have an important influence on the air tightness. Huanghai brand air bag’s thickness of inner layer was increased and could be 100% no air leakage within 24 hours.

1. Metal parts

The necessary metal parts include tee-joint, valve, hose coupling, pressure gauge, pulling ring and other metal accessories.

Application of airbag

1.ship launching, lifting and refloating

2. floating bridge and dock construction

3.rescue and remove of wrecked ship

4.setting up temporary pontoon bridge pier and water transport channel

5.blocking debacle of anti-flood and anti typhoon dam

6.applying to short distance transport of the bridge, concrete piers, drilling equipment

Huanghai Airbag Advantages

• High quality airbags are based on 20 year experience and continuous new technology development.
• More than 3,500 airbags sold worldwide annually. Most trusted brand in China and Southeast Asia.
• Unique high rubber content mix and holistic airbag body weaving process to guarantee superior airbag mechanical properties and air tightness.
• Technical support - Huanghai helped many shipyards to perform airbag ship launching. The technical team can advise clients in the appropriate size and quantity of the airbags. Technical team can travel worldwide to assist the ship launching operation.
• Cost effective direct sale and support from manufacturer.