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Heavy Load Anti Aging Long Service Life Inflatable Marine Airbags for Ship Launching

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Heavy Load Anti Aging Long Service Life Inflatable Marine Airbags for Ship Launching
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Features
Specifications
Service Life: 20 Years
Diameter: 0.5M-3.0M, Or As Request
Feature: Reusable And Long Lifespan
Webbing Harness: 7:1
Application: Ship/Vessel/Boat Launching & Docking
Length: 3M-28M, Or As Request
Product Name: Inflatable Marine Airbags
Inflation Tube: 30M, Free Of Charge
Highlight:

Heavy Load Inflatable Marine Airbags

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Anti Aging Marine Rubber Airbags

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Long Service Life Ship Launching Airbags

Basic Infomation
Place of Origin: China
Brand Name: Hongruntong Marine
Certification: ABS, BV, KR, LR, GL, NK, RINA, DNV, RMRS
Model Number: HM-IMA17
Payment & Shipping Terms
Packaging Details: Wooden Pallets, Wooden Box
Delivery Time: 5-8 Work Days
Payment Terms: L/C,T/T,D/A,D/P,Western Union,
Supply Ability: 1870 Pcs Per Month
Product Description
Marine Rubber Airbags Heavy Load Anti Aging Long Service Life
Product Overview

Inflatable Marine Airbags are flexible, high-strength marine handling equipment designed for controlled vessel launching, hauling, landing, shifting, and temporary support operations. The system uses a reinforced rubber body combined with multiple layers of high-strength synthetic tire cord to form a pressure-bearing cylindrical structure capable of supporting substantial vessel loads while maintaining flexibility during movement.

Unlike rigid launching infrastructure, the airbags create a temporary load-transfer interface between the vessel hull and the prepared ground or launching surface, allowing the vessel to be moved through a controlled rolling process. This engineering solution is particularly suitable for shipyards, marine construction sites, repair facilities, and coastal fabrication areas where permanent slipways or heavy lifting infrastructure are unavailable or impractical.

Case Study: 4,200-Ton Coastal Vessel Relocation

A marine repair contractor in Southeast Asia successfully relocated a 4,200-ton steel work vessel from an inland construction area to a coastal launching position using our Inflatable Marine Airbags. The project demonstrated the system's capability to handle large-scale vessel movement without permanent dry dock infrastructure.

Key project elements included proper load calculation, route preparation, airbag positioning, pressure control, and continuous operational monitoring. The controlled rolling process allowed completion of the relocation while establishing a repeatable operating procedure for future vessel movement activities at the facility.

Marine airbags in operation supporting vessel movement Close-up view of marine airbag deployment
Technical Specifications
Item Description
Product Name Inflatable Marine Airbags
Material 100% Grade A Natural Rubber
Type Inflatable, Lifting, Roller, Launching
Diameter 0.5m-3.0m, or As Request
Length 1.0m-28.0m, or As Request
Working Pressure 0.05-0.25 mpa
Standard Conducted by ISO14409 and GB/T1590-2006 system
Accessories Q355/SS304/SS316, Pressure Gauge, Tee, Plug, Switch, Inflation Tube
Packaging Inner-Plastic Bag; Outer -Standard Wooden Pallets
Color Black
Certificates ABS, BV, KR, LR, GL, NK, RINA, DNV, RMRS
Applications Ship launching and docking, Marine salvaging, Dry-docking, Bridge construction, Heavy machinery transportation
OEM Welcome
Load Capacity Specifications
Diameter Working Pressure Working Height Bearing Capacity KN/m Bearing Capacity Ton/m
D=1.0m 0.14Mpa 0.6m 87.96 8.98
0.5m 109.96 11.22
0.4m 131.95 13.46
D=1.2m 0.12Mpa 0.7m 94.25 9.62
0.6m 113.10 11.54
0.5m 131.95 13.46
0.4m 150.80 15.39
D=1.5m 0.10Mpa 0.9m 94.25 9.62
0.8m 109.96 11.22
0.7m 125.66 12.82
0.6m 141.37 14.43
0.5m 157.08 16.03
D=1.8m 0.09Mpa 1.1m 98.96 10.10
1.0m 113.10 11.54
0.9m 127.33 12.98
0.8m 141.37 14.43
0.7m 155.51 15.87
0.6m 169.65 17.31
D=2.0m 0.08Mpa 1.2m 100.53 10.26
1.1m 113.10 11.54
1.0m 125.66 12.82
0.9m 138.23 14.11
0.8m 150.80 15.39
0.7m 163.36 16.67
0.6m 175.93 17.95
* Other sizes can be produced following client's requirements
Key Features
Multi-Layer Reinforced Load-Bearing Construction

The primary load-bearing structure consists of specially formulated rubber reinforced with multiple layers of high-strength synthetic tire cord. This construction enables the flexible body to operate as a pressure-supported structural element while maintaining controlled deformation under vessel weight, distributing applied loads over the effective contact area.

Stable Internal Pressure During Load Transfer

Pressure stability is critical for supporting capacity, with the reinforced structure designed to retain intended cylindrical form while allowing controlled flattening at contact zones. Regular pressure monitoring allows operators to identify abnormal conditions and make adjustments during vessel movement.

Abrasion-Resistant Outer Rubber Structure

Engineered to provide resistance against abrasion, friction, and environmental exposure during marine handling operations. The rubber compound serves as the primary protective barrier for internal reinforcement, contributing to service continuity during repeated operations.

Flexible Adaptation to Different Vessel Hull Configurations

The flexible cylindrical body can change its cross-sectional shape under load, establishing contact with vessel bottoms and prepared ground without requiring precisely machined rigid support structures. This adaptability is useful for vessels with different hull widths, bottom geometries, and construction stages.

Applications
  • Vessel Launching from Shore-Based Construction Areas: For launching vessels constructed or repaired on shore-based sites where conventional slipways are unavailable
  • Shipyard Hauling and Vessel Transfer: Temporary rolling support for transferring vessels between construction zones, maintenance areas, and storage positions
  • Barge and Marine Construction Equipment Handling: Flexible support solution for moving barges, pontoons, floating work platforms, and other large marine structures
  • Ship launching and docking operations
  • Marine salvaging and wreck removal
  • Dry-docking and ship repairs
  • Bridge construction and repair
  • Jetty and pier construction
  • Heavy machinery and equipment transportation on water
Why Choose Hongruntong Marine
More Than 30 Years of Marine Manufacturing Experience

Extensive experience across marine applications supports practical understanding of rubber material selection, reinforcement structures, pressure-bearing products, and environmental requirements for shipyards and coastal operations.

Engineering-Based Product Configuration

Airbags are selected according to actual vessel and site conditions, evaluating parameters including vessel weight, hull dimensions, operating surface, movement distance, and required capacity to establish suitable configurations.

Controlled Material and Manufacturing Processes

Maintained manufacturing controls covering material preparation, reinforcement assembly, component integration, forming, vulcanization, and final inspection to ensure dimensional consistency and stable product performance.

Project-Oriented Technical Support and Supply Coordination

Coordinates product specifications with project requirements and provides technical information for equipment selection, installation planning, operation, inspection, and storage to support B2B customers.

Frequently Asked Questions
How should the required number of Inflatable Marine Airbags be determined?

The quantity should be calculated according to vessel weight, hull dimensions, airbag effective contact area, working pressure, airbag diameter, spacing, ground condition, and required safety margin. The calculation should consider the actual vessel movement process rather than only static vessel weight.

What ground conditions are required before using Inflatable Marine Airbags?

The operating route should be sufficiently level, stable, and free from sharp objects or concentrated hazards. Loose material, exposed metal, broken concrete, and large debris should be removed or corrected before inflation and loading. Ground preparation is essential for safe operation.

Can the airbags be reused after a vessel launching operation?

Yes. Inflatable Marine Airbags are designed as reusable marine equipment when operated within specified conditions. After use, they should be deflated, cleaned, visually inspected, and stored properly. Any defects should be evaluated before subsequent operations.

What parameters are important when selecting airbag diameter and length?

Selection should consider vessel weight, hull width and geometry, available operating clearance, required supporting height, ground conditions, and effective contact length needed for load distribution. Dimensions should be matched to specific vessel and operating method requirements.

What information should be provided when requesting a customized configuration?

Provide vessel type, weight, overall dimensions, hull dimensions, launching or hauling method, operating surface, movement distance, expected working environment, and project schedule. Additional information such as photographs, drawings, or hull-bottom details helps establish accurate technical configurations.

Marine airbag installation and positioning Marine airbag supporting vessel during operation Marine airbag storage and handling
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Get in touch with us
Contact Person : Mr. William Lau
Tel : +8618910539783
Fax : 86-10-89461910
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