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Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
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Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
Quality Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers factory
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Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers

Brand Name: DOOWIN MARINE
Model Number: QG6,QG8,QS10,QS11
Place of Origin: China
Certification: SGS, BV, CCS, LR
Minimum Order Quantity: 1pc
Price: USD$1000 - $ 9100
Supply Ability: 10pcs/per week
Tags

Inflatable Marine Airbags

Ship Launching Rubber Airbag

Anti Explosion Inflatable Marine Airbags

Product Details

Product Name: Inflatable Marine Airbags Material: Synthetic Tire Cord & Rubber Layers
Color: Black Diameter: 0.8 ~ 3m
Length: 5 ~ 30m Usage: Ship Launching,landing And Slvage,Protect Boat.
Standard: ISO14409 Packing: As Per Customer's Requirements
Certification: CCS,ABS,LR,BV Warranty Period: 2 Years
Technology: High Pressure,Whole Wrapping,anti-explosion Type. Life: 6-10 Years
Highlight

Anti Explosion Inflatable Marine Airbags

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High Pressure Inflatable Marine Airbags

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High Pressure Inflatable Boat Lift Bags

Product Description

DOOWIN Inflatable Marine Airbags for Ship Launching And Landing
Ship launching airbags, also known as roller bags, launching air balloons, inflatable marine airbags, air lift bags, and salvage bags, are specialized marine rubber air bags used for launching marine vessels, ship landing, or haul-outs. These heavy-duty rubber airbags are widely used in loading, floating, lifting, and moving sunken ships, as well as salvaging stranded boats.
Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers 0
Ship launching using marine airbags represents an innovative ship-launching technology that overcomes the disadvantages of traditional methods like "end-on launching", "side ship launching", and "float-out". This flexible technology eliminates restrictions of fixed launching tracks and is increasingly adopted by shipyards worldwide due to its advantages in time savings, cost efficiency, flexibility, and safety.
Our continuous innovation in design, material usage, and manufacturing technologies ensures the highest levels of flexibility, safety, and reliability. To date, our ship-launching rubber airbags have successfully launched cargo vessels, barges, chemical tankers, tugboats, AHTS vessels, floating docks, and construction caissons, with the largest vessel launched weighing up to 100,000DWT.
Why Choose DOOWIN Marine Rubber Airbags
All Doowin Marine ship launching airbags are manufactured and tested to fully comply with ISO 14409:2011 (Ships and marine technology -- Ship launching airbags) and ISO 17682:2013 (Methodology for ship launching utilizing air bags).
Launching Air Bags Type and Model
Ship Launching airbags are categorized by bearing capacity per meter in length, with the number of synthetic-tire-cord layers determining the Safety Working Pressure:
  • QP - Ordinary airbag with 3, 4, or 5 cord fabric layers
  • QG - High-bearing capacity airbag with 6, 7, or 8 layers of cord fabric
  • QS - Superhigh-bearing capacity airbag with 9, 10, or more layers of cord fabrics
Example model: QG6/1.5x15
QG6: 6 layers of cord fabric + 1 rubber layer
1.5: Diameter is 1.5m
15: Effective length is 15m
Structure of Ship Launching Airbags
Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers 1
Rubber airbags are constructed with an outer rubber layer, multiple synthetic-tire-cord layers, and an inner rubber layer vulcanized firmly together, with additional layers at the end shoulders for reinforcement.
Synthetic-tire-cord layer
This reinforcement layer consists of rubber-coated synthetic-tire-cord fabrics twined at ideal angles using patented "Holistic Wrapping Technology" to evenly distribute stress and maintain internal pressure. We use 1400 dtex/2 or 1400 dtex/3 type synthetic-tire-cord fabric with over 95 cords per 100mm width and breaking strength exceeding 310N per cord.
Inner and Outer Rubber
Both rubber layers undergo rigorous testing to meet international standards. The outer layer protects cord layers from abrasion and environmental factors, featuring compounds with exceptional tensile and tear strength for harsh conditions.
Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers 2
Ship Launching Airbags Rubber Material Performance
No. Test Item Value Standard
1 Tensile Strength, Mpa ≥18 ISO 37
2 Elongation at break, % ≥400 ISO 37
3 Hardness, ° (Shore A) 60±10 ISO 7619-1
4 Tear Strength, N/cm ≥400 ISO 34-1
5 Compression set, % (70℃±1℃,22h) ≤30 ISO 815-1
6* Holding of pull lengthening, % ≥80 ISO 188
7* Holding of elongation at break, % ≥80 ISO 188
8* Change of hardness, ° (Shore A) ≤8 ISO 7619-1
9 Static ozone aging at 40℃ x 96h, extension 20% No crack ISO 1431-1
Ship Launching Airbags Performance Parameters
Type No. Diameter (m) Initial Internal Pressure for Test (kPa) Rated Working Pressure (kPa) Bearing Capacity at 70% compress deformation (KN/m) Minimum Burst Pressure (kPa)
QP5 0.8 48 210 184 630
1.0 35 170 186 510
1.2 28 140 185 420
1.5 20 110 181 330
1.8 16 90 178 270
2.0 14 80 176 240
QG6 0.8 56 245 215 740
1.0 45 200 219 600
1.2 32 165 217 490
1.5 25 130 218 390
1.8 20 110 220 330
2.0 18 100 220 300
QG7 0.8 64 270 237 810
1.0 50 220 242 660
1.2 38 190 251 570
1.5 29 150 247 450
1.8 25 130 257 390
2.0 23 120 264 360
QG8 0.8 70 300 264 900
1.0 54 240 264 720
1.2 45 210 277 630
1.5 32 170 280 510
1.8 29 150 297 450
2.0 26 140 308 420
Why Our Ship Launching Airbags
Superior Manufacturing & Quality Control Processes from the selection of raw materials to the highly skilled production process.
Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers 3 Anti Explosion High Pressure Inflatable Marine Airbags With Synthetic Tire Cord / Rubber Layers 4

Product Highlights

DOOWIN Inflatable Marine Airbags offer durable, high-pressure solutions for ship launching and landing. Made with synthetic tire cord & rubber layers, they comply with ISO 14409 and hold CCS, ABS, LR, BV certifications. Available in diameters 0.8-3m and lengths 5-30m, with a 2-year warranty and 6-10 year lifespan. Custom packing options available.

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