Hongruntong Marine LLC.
                                                                                                           
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36 Years
Since 1990
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Heavy Lift Marine Airbags Superior Strength Weather Resistant High Floatation

Price Negotiable
Price: US$14 - US$365
MOQ: 1
Delivery Time: 5-7 Work Days
Brand: Hongruntong Marine
Product Description

Heavy Lift Marine Airbags Superior Strength Weather Resistant High Floatation

 

Description

 

Marine Rubber Airbags revolutionize ship launching and recovery with their high buoyancy and flexibility. Designed in sizes from 1.5m to 5m, they support vessels weighing 10–200+ tons, distributing weight evenly for a smooth launch. Made from reinforced rubber and nylon layers, they resist abrasions, oil, and UV damage. Unlike traditional methods, these airbags reduce infrastructure costs, require minimal manpower, and allow for precise control during operations. Their quick-deployment feature speeds up workflows, making them essential for shipbuilders, naval bases, and repair docks.

 

 

 

Specifications

 

Product Name Marine Rubber Airbags
Keywords Marine Airbag for Ship Launching
Material 100% High Tensile NR
Dimensions

Diameter 0.5m - 3.0m,

Length 3.0m - 28.0m,

or As Request

Working Pressure 0.05-0.25MPA
Technology Overall Winding, High Pressure, Explosion-proof
Metal Parts Q355 / SS304 / SS316
OEM Supported
MOQ 1
Repair Tools Electric Heating Plate, Repair Materials, Glue, Free of Charge
Standard ISO14409:2011
Certificate ABS, BV, KR, LR, GL, NK, RINA, DNV, RMRS
Package Pallets, Wooden Cases
Service Life 20 Years
Warranty 36 Months

 

Diameter

Working

Pressure

Working

Height

Bearing Capacity
KN/m 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 size can be provided follow client's requirements.

 

 

 

Features

 

Even Weight Distribution
Prevents hull damage during ship launching/lifting operations.
 
Anti-Slip Surface Texture
Enhances stability and safety during deployment.
 
Quick Inflation Deflation
Compatible with standard air compressors for fast setup.
 
Reusable Design
Cost-effective solution for multiple projects over 5-10+ years.

 

 

Applications

 

Submarine Pipeline Work

 
Floating Dock Adjustments
 
Barge Loading/Unloading
 
Dam Construction Support

 

 

Advantages

 

Custom Load Capacities
From 10-ton mini airbags to 300-ton heavy-lift units with customizable length (1-12m) and diameter (0.8-3m) configurations.
 
Advanced Anti Abrasion Technology
Ceramic-impregnated outer layer provides 50% better abrasion resistance against rough hull surfaces and debris.
 
Saltwater Corrosion Protection
Specialized rubber formulation prevents salt crystallization damage even after 5+ years in seawater environments.
 
UV Stabilized Compounds
UV inhibitors in all exterior layers maintain flexibility and strength despite continuous sun exposure.

 

 


FAQ

 

1. Can they operate in extreme temperatures?

Yes, functional from -40°C to +80°C (-40°F to 176°F) without performance loss.

 

2. How are they inflated?

Using high-flow air compressors (6–12 bar) via our quick-connect valve system (30% faster inflation).

 

3. Are repairs possible?

Yes, we provide custom repair kits with vulcanizing patches for field fixes.

 

4. Do you offer certifications?

All airbags are DNV-GL/ABS/CCS certified with full material traceability.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hongruntong Marine LLC.
Location C1-7, Xuhui Center, Jinguan North 2nd Street, Shunyi District, Beijing City, P.R. China 101300
Contact Person William Lau

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