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Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Specifications
Brand Name :
DOOWIN MARINE
Model Number :
QP, QG, QS6-12
Certification :
SGS, BV, CCS, ABS, LR, BV.
Place of Origin :
China
MOQ :
1pc
Price :
USD$ 890~7980
Payment Terms :
T/T,L/C
Supply Ability :
10pcs/per week
Delivery Time :
2~3 weeks
Packaging Details :
Pallet or Plywooden Box
Name :
Boat Lift Air Bags
Materials :
Synthectic Rubber
Factory :
Yes
Technology :
Holistic Wrapping Technology
Reinforcement :
Tyre Cord Fabric Layer
Logo :
Supported
Usuage :
Ship Boat Launching And Landing
Description
Inflatable Airbag Landing Heavy Lifting Rubber Airbag Boat Lift Air Bags
Heavy lifting air bags, known as marine rubber airbags or ship launching balloons, are made of heavy-duty synthetic-tire-cord layers with inner and outer rubber layers in a long cylindrical balloon shape.
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
The heavy lifting airbag is updated based on the ship launching airbags, making them more suitable for heavy lifting and moving work. These airbags have a different structure from ship launching airbags and can roll steadily when taking the load, unlike inferior products which are prone to twisting.
As one of the toughest pneumatic lifting airbags available, they can be used for heavy lifting and moving of huge structures, caissons, buildings, and more. Each heavy lifting airbag can reach a lifting capacity of over 1,000 tons.
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Why Choose Marine Heavy Lifting Air Bags
Superior manufacturing and quality control processes from raw material selection through the highly skilled production process ensure reliable performance.
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Heavy Lifting Airbags Performance
Lifting Capacity Principle
The bearing capacity of ship launching airbags is calculated based on working pressure and contact area, with working pressure determined by burst pressure and safety working factor.
Due to the flexibility of rubber airbags, contact area is affected by various factors including carried ship condition and position relative to gravity center during launching and landing, causing bearing capacity to vary.
F=PS
S=π x (D-H)/2
Where:
F = bearing capacity
P = working pressure
S = contact area
P = percentage of deformation (%)
D = original diameter of the air bag (m)
H = height of the compressed air bag (m)
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Performance Parameters of Heavy Lifting Airbags
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
Heavy Lifting Air Bags Classification
Our engineering team constantly improves the Structure of Typical Air Bags
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Standard Heavy Lifting Airbag Components
  • The end of the airbag body
  • End flange (Q235 H.D.G)
  • Sealing Washer
  • Three-direction connector at the inflate end (Q235 H.D.G)
  • 3/4′ Ball Valves at the inflate end (Brass)
  • Hose connection at the inflate end (Q235)
  • High-quality Pressure Gauge
  • End plug at the tightness end (Q235 H.D.G)
Classification of Heavy Lifting Airbags
Heavy lifting airbags are categorized by bearing capacity per meter in length, with layer count determining Safety Working Pressure. Custom types are available upon request.
  • QP - Ordinary airbag with 3, 4 or 5 layers of cord fabric
  • QG - High-bearing capacity with 6, 7, or 8 layers of cord fabric
  • QS - Superhigh-bearing capacity with 9, 10, or more layers of cord fabrics
Example: QG6/1.5*15
QG6: 6 layers cord fabric
1.5: diameter is 1.5m
15: length is 15m
Air Bag Parameter Heavy Lifting Airbags Size
Product Name Heavy Lifting Airbags
Diameter (D) 0.8 ~ 2.5m, or customized diameter
Effective Length (EL) 6 ~ 25m, or customized length
Total Length (TL) 7 ~ 27m, or customized length
Loading Capacity 10 ~ 40 ton/m, or customized capacity
Model of Airbags QP-ordinary, QG-high-bearing, QS-superhigh bearing
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Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized

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Product Detail
Brand Name :
DOOWIN MARINE
Model Number :
QP, QG, QS6-12
Certification :
SGS, BV, CCS, ABS, LR, BV.
Place of Origin :
China
MOQ :
1pc
Price :
USD$ 890~7980
Contact Supplier
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Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized
Synthectic Rubber Ship Launching Airbags , Inflatable Boat Lift Air Bags Customized

QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.

Verified Supplier
1 Years
qingdao
Since 2011
Business Type :
Manufacturer
Main Products :
Ship Launching Airbags, Marine Salvage Airbags, Pneumatic Rubber Fenders
Total Annual :
3000000-5000000
Employee Number :
60~80
Certification Level :
Verified Supplier
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