Ship Launching Airbag

SunHelm Marine Ship Launching Airbags, engineered with world-leading high-tech materials and proprietary ISO 14409:2011-compliant manufacturing technology (exceeding standard requirements), deliver exceptional durability and safety in extreme conditions. Specifically designed for high-latitude low-temperature waters like Russia, Nordic regions, and Canada, these cold-resistant airbags maintain optimal flexibility in freezing environments to absorb vessel impact energy, minimize hull reaction forces, and ensure reliable cushioning during ship launching and docking operations.

SunHelm Marine Ship Launching Airbag diameter size from 300 mm to 4,000 mm and length from 3,000 mm to 33,000 mm, and offer non-standard size manufacturing service.

SunHelm Marine ship launching airbag uses a cross-wound process, which can withstand greater impact. The service life is more than 6 years, and other Chinese factories mostly use synthetic rubber.

Since September 29, 2025, SunHelm has commenced production of EUDR-compliant marine airbags , becoming the first enterprise in China's industry to support this green initiative.

SunHelm Marine R&D team upgraded the material and process of the airbag, and cooperated with the Brazilian scientific research station to successfully complete the construction of the scientific research station. So far, the sales network of SunHelm products has covered seven continents in the world.

Airbags Characteristics

  • Various performance indicators have far exceeded ISO14409.
  • Safety factor reach 4.5 times (Normal 2-3 times).
  • Add cold-resistant materials, optimize rubber formula, and improve low-temperature performance.
  • The operating temperature range is extended from -35°C to -50°C, enabling stable operation in extremely cold environments.
  • Meet customers' needs for use in extremely low temperature environments and provide more reliable product solutions.
  • Suitable for extremely harsh operation environments.
  • Airbag body 4 layers structure (Normal 3 layers).
  • Exclusive rubber material adapt harshest environments.
  • Adopt 3-strand synthetic tire cord (Normal 2-strand).
  • Both ends can be dragged, inflated and pressure measured.
  • No any airbag burst customer complaints.
  • Built-in stainless steel air inflated valve.
  • Talcum powder removal production process (Industry NO.1).
  • Customized in various sizes.

Ship Launching Cases

Explore our airbag case studies showcasing deployments in marine construction, heavy-load transportation, and emergency salvage operations. Each case demonstrates how our high-pressure airbags solve real-world engineering challenges with 30% higher safety margins than industry standards.

Airbags Construction

Outer Rubber Layer Part

I Mechanical protection (Friction)  I Chemical Resistance (Environment)  I Energy dissipation

Synthetic Tire Cord Layer Part

I Carry load of membrane force  I keep the geometry stable

Rubber Matrix Part

I Adhesion to reinforcement material  I Distance layer of fabric plies  I Shearing force loading

Air Tightness Layer Part

I Strengthen air tightness  I Reinforces rubber & tire cord plies

Inner Rubber Layer Part

I Pressure transfer  I Ensure air tightness  I Provides chemical resistance

Airbags Product Details

Every detail of SunHelm Marine ship launching airbag is paid highly attention. SunHelm Marine has a strict quality management system to ensure the excellent quality of its products.

Airbag配件3
Airbag配件1

Caisson Moving Airbag

The caisson moving airbag is a specific airbag used to move the built bridge caisson on land. It also be called industrial airbag. The caisson is a kind of pier used in the construction of a cross-sea bridge. The caisson moving airbag follows the ancient method of moving heavy objects by rolling wood. After prefabricating the caisson on the pedestal, the lifting airbag is stuffed into the trench at the bottom of the caisson, and the caisson is inflated to lift the caisson. After that, the caisson is pulled by the tugboat and arrange in the ocean. The caisson moving airbag has a large contact area with the ground, and the bearing capacity is evenly distributed. It is very adaptable to the site and a very popular transport equipment in currently ocean construction. The difference between the caisson moving airbag and the ship launching airbag is the working pressure. Therefore, the ship launching airbag cannot replace the caisson moving and lifting airbag.

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    International Leading Ship Launching Airbag Manufacturer

    SunHelm Marine Co., Ltd. is a Chinese manufacturer specializing in maritime products. SunHelm Marine currently has several large-scale modern factories and R&D centers. SunHelm Marine mainly produces pneumatic fenders, marine rubber fenders, foam fenders, hydro-pneumatic fenders, marine airbags, marine salvage airbag, caisson moving airbags and other products.

    Based on ship industry chain, SunHelm Marine has expanded its market layout, main business involves ship mooring and berthing, marine engineering,  port construction and other fields. SunHelm provides customers with systematic, comprehensive and creative services.

    After nearly 20 years of development, product and technology applications have covered more than 80 countries and regions in 7 continents, SunHelm Marine became the well-known brand in the world.

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