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Hongruntong Marine LLC.

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China Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe
China Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe

  1. China Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe
  2. China Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe
  3. China Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe
  4. China Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe

Inflatable Marine Airbag with Large Buoyancy and Flexible Structure for Safe

  1. MOQ: 1
  2. Price: $USD8-$USD188
  3. Get Latest Price
Material NBR
Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Packaging Pallets, Wooden Box
Product Name Airbag Launching Ship
Supply Ability 3520 Pcs Per Month
Color Black or Customized
Diameter 0.5M-3.0M, or as Request
Application Ship Vessel Boat Launching Docking
Delivery Time 5-7 Work Days
Length 3M-28M, or as Request
Working Pressure 0.05-0.25 MPA
Layers 5-13Ply, or as Request
Packaging Details Wooden Pallets, Wooden Box
Feature Durable Construction
Reinforcement Tyre Cord Fabric Layer
Model Number HM-ALS36
Certification ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
Place of Origin China
Brand Name Hongruntong Marine

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  1. Product Details
  2. Company Details

Product Specification

Material NBR Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Packaging Pallets, Wooden Box Product Name Airbag Launching Ship
Supply Ability 3520 Pcs Per Month Color Black or Customized
Diameter 0.5M-3.0M, or as Request Application Ship Vessel Boat Launching Docking
Delivery Time 5-7 Work Days Length 3M-28M, or as Request
Working Pressure 0.05-0.25 MPA Layers 5-13Ply, or as Request
Packaging Details Wooden Pallets, Wooden Box Feature Durable Construction
Reinforcement Tyre Cord Fabric Layer Model Number HM-ALS36
Certification ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS Place of Origin China
Brand Name Hongruntong Marine
Inflatable Marine Airbag Large Buoyancy Flexible Structure Safe Slipway Operation

The Airbag Launching Ship system is a proven vessel launching solution that employs inflatable marine airbags to transfer ships from construction platforms into the water through a controlled rolling process. The technology provides an effective alternative to conventional launching methods that rely on fixed slipways, mechanical rails, or dry docks.

Hongruntong Marine manufactures marine airbags using premium natural rubber reinforced with multiple layers of high-strength synthetic tire cord fabric. The multilayer composite structure is engineered to withstand high internal pressure, repeated compression, and continuous rolling loads generated during launching operations.

Case Study

A privately operated ship repair and construction yard located in Manaus, Brazil, specialized in manufacturing inland river transport vessels used throughout the Amazon basin. Following a detailed engineering assessment, Hongruntong Marine designed a customized airbag launching solution tailored to the customer's vessel specifications, riverbank conditions, and launching slope.

The first project involved launching a newly completed 3,200 DWT river cargo barge. Throughout the operation, the airbags maintained stable pressure and continuous rolling performance despite the uneven ground conditions commonly found along the riverbank. The vessel entered the water smoothly without hull distortion or structural damage.

Marine airbag in operation during vessel launching Close-up view of marine airbag structure and reinforcement
Specifications
Item Description
Place of Origin China
Brand Name Hongruntong Marine
Material Industrial Grade Natural Rubber
Diameter 0.5m-3.0m, or as Request
Length 1.0m-28.0m, or as Request
Working Pressure 0.05-0.25 Mpa
Technics High Pressure, Overall Winding, Explosion-Proof
Use Ship Launching and Docking
Thickness 5-13 ply
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.
Keywords Airbag Launching Ship
Certificates ABS, BV, KR, LR, GL, NK, RINA, DNV, RMRS
MOQ 1
OEM Welcome
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
  • Engineered Pressure Retention Performance: Stable internal pressure is essential for safe vessel launching. Hongruntong Marine marine airbags are manufactured with precision-sealed rubber layers and reinforced structural construction to minimize pressure loss during operation.
  • High Wear Resistance for Continuous Industrial Use: The specially developed rubber compound provides excellent abrasion resistance while maintaining flexibility under repeated deformation, enabling dependable performance during long-term industrial applications.
  • Precision Manufacturing for Consistent Performance: Each marine airbag is produced through standardized manufacturing processes that control material preparation, reinforcement placement, vulcanization temperature, and dimensional accuracy.
  • Operational Efficiency Through Modular Deployment: Marine airbags offer exceptional flexibility because individual units can be combined in different configurations according to vessel dimensions and project requirements.
Applications
  • River and Inland Waterway Shipyards: Widely used by inland shipyards constructing cargo barges, passenger ferries, dredgers, and utility vessels where permanent launching facilities are limited.
  • Marine Construction and Floating Equipment Manufacturing: Used to safely transfer floating cranes, pontoons, floating bridges, work platforms, and steel caissons into the water.
  • Export-Oriented Shipbuilding Facilities: Enable efficient vessel launching without dependence on dedicated dry docks, helping manufacturers optimize production planning and improve facility utilization.
Why Choose Hongruntong Marine
  • Specialized Marine Manufacturing Experience: Years of manufacturing experience have enabled the company to develop products that meet the demanding mechanical and environmental requirements of vessel launching operations.
  • Flexible OEM and Customized Production: Provides customized manufacturing services covering airbag diameter, effective length, reinforcement layers, pressure capacity, and end fitting configuration.
  • Strict Inspection and Performance Testing: Quality assurance is integrated throughout the manufacturing process with comprehensive testing for dimensional accuracy, airtightness, pressure resistance, and structural integrity.
  • Efficient Project Support and Global Supply: Supports customers throughout every stage of the project, from initial engineering consultation to manufacturing, shipment, and technical assistance.
Frequently Asked Questions
  • What factors influence the selection of marine airbag quantity?
    The required quantity depends on vessel displacement, hull dimensions, launching weight, airbag diameter, launching slope, and ground conditions.
  • Can marine airbags be transported easily between different project sites?
    Yes. After deflation, marine airbags occupy relatively little storage space and can be transported conveniently by truck or container.
  • What temperature range is suitable for marine airbag operation?
    Marine airbags are designed to operate under a wide range of environmental temperatures commonly encountered in shipbuilding and marine engineering.
  • How often should marine airbags be inspected?
    Routine inspection is recommended before and after every launching operation to identify wear or damage early and support safe long-term operation.
  • Can Hongruntong Marine assist with engineering calculations for launching projects?
    Yes. Hongruntong Marine provides technical assistance including airbag specification selection, quantity calculation, pressure recommendations, and operational guidance.
Marine airbag installation and setup process Vessel launching using multiple marine airbags Industrial marine airbag storage and handling

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    1990

  • Total Annual:

    5,256,780-5,593210

  • Employee Number:

    220~360

  • Ecer Certification:

    Verified Supplier

Hongruntong Marine is a leading marine company specializing in providing comprehensive services in the maritime industry. With a strong emphasis on quality, safety, and efficiency, we strive to meet the evolving needs of our clients.     Established in 1990, Hongruntong Ma... Hongruntong Marine is a leading marine company specializing in providing comprehensive services in the maritime industry. With a strong emphasis on quality, safety, and efficiency, we strive to meet the evolving needs of our clients.     Established in 1990, Hongruntong Ma...

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Get in touch with us

  • Reach Us
  • Hongruntong Marine LLC.
  • C1-7, Xuhui Center, Jinguan North 2nd Street, Shunyi District, Beijing City, P.R. China 101300
  • https://www.marine-airbags.com/

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