China factories

Chat Now Send Email
China factory - QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.

QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.

  • China,Qingdao
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags
China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags

  1. China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags
  2. China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags
  3. China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags
  4. China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags
  5. China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags
  6. China Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags

Heavy Lift Industrial Rubber Air Bags , Customized Inflatable Buoyancy Bags

  1. MOQ: 1pc
  2. Price: USD $800 ~ $3200
  3. Get Latest Price
Payment Terms T/T
Supply Ability 10pcs/per week
Delivery Time 2~3 weeks
Packaging Details Pallet or Plywooden Box
Product Name Inflatable Buoyancy Bags
Brand DOOWIN
Construction Multi-layer rubber and synthetic cord composite
Technology Holistic Wrapping Technology
Reinforcement Tyre Cord Fabric Layerd
Diameter 0.8 ~ 3m, or customized diameter
Effective length 5-30m, or customized length
Usage Ship launching / landing ,marine salvage
Standard ISO14409
Loading Capacity 10 ~ 40 ton/m, or customized capacity
Certificates CCS, BV, ABS, LR, etc.
Pressure Relief Automatic valves at rated pressure
Safety Factor Minimum 6:1 buoyancy ratio
Service Support OEM service
Warranty 2 Years
Brand Name DOOWIN MARINE
Model Number Buoyancy Bags
Certification BV, CCS, ABS, LR
Place of Origin China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 10pcs/per week
Delivery Time 2~3 weeks Packaging Details Pallet or Plywooden Box
Product Name Inflatable Buoyancy Bags Brand DOOWIN
Construction Multi-layer rubber and synthetic cord composite Technology Holistic Wrapping Technology
Reinforcement Tyre Cord Fabric Layerd Diameter 0.8 ~ 3m, or customized diameter
Effective length 5-30m, or customized length Usage Ship launching / landing ,marine salvage
Standard ISO14409 Loading Capacity 10 ~ 40 ton/m, or customized capacity
Certificates CCS, BV, ABS, LR, etc. Pressure Relief Automatic valves at rated pressure
Safety Factor Minimum 6:1 buoyancy ratio Service Support OEM service
Warranty 2 Years Brand Name DOOWIN MARINE
Model Number Buoyancy Bags Certification BV, CCS, ABS, LR
Place of Origin China
High Light Heavy Lift Rubber Air BagsIndustrial Rubber Air BagsCustomized Inflatable Buoyancy Bags
Heavy Lift Industrial Air Bags Shipwreck Salvage Inflatable Lifting Belts Buoyancy Bags 
Marine salvage airbags are the system of choice where reliable, controllable buoyancy is required. They are particularly suited for installation buoyancy on pipeline float-out, beach pulls, and river crossings. Our marine salvage rubber airbags have also been used in applications such as vessel and platform draught reduction in limited water depths. And as salvage pontoons for temporary bridges and docks. The salvers can use marine rubber airbags to salvage the shipwreck, rescue the floating bridge, and dock construction.
Floating Assistance Salvage And Rescue Field Salvage Rubber Airbags for Sunken Ships or Offshore Facilities
Marine Salvage Airbags are the toughest air lifting bags. They can be used as salvage pontoons for supporting docks and other floating structures. Also suitable for shipwreck salvage, floating bridge rescue, and dock construction. With the strongest pneumatic rubber body, these salvage rubber airbags excel in heavy-duty salvage work under severe environments.
Compared with steel floats, the advantage of lightweight pneumatic buoyancy airbags is that they can obtain great buoyancy assistance with lower economic investment, and can be used to complete tasks such as underwater installation of steel components and ship salvage.

Primary Applications


Marine salvage airbags excel in demanding environments where reliable, controllable buoyancy is essential. They are particularly effective for:

  1. Pipeline float-out operations
  2. Beach pulls and river crossings
  3. Vessel and platform draught reduction in shallow waters
  4. Temporary bridge and dock pontoons
  5. Heavy-duty salvage operations in severe conditions
Marine Salvage Airbags Buoyancy Capacity
Marine salvage airbags offer different buoyancy capacities with numerous combinations of diameters and lengths. Below is the buoyancy list of standard marine salvage airbags:
Length D=1m D=1.2m D=1.5m D=1.8m D=2m D=2.5m D=3.0m
5m 4t 6t 9t 13t 16t 25t 35t
6m 5t 7t 11t 15t 19t 29t 42t
7m 5t 8t 12t 18t 22t 34t 49t
8m 6t 9t 14t 20t 25t 39t 57t
9m 7t 10t 16t 23t 28t 44t 64t
10m 8t 11t 18t 25t 31t 49t 71t
11m 9t 12t 19t 28t 35t 54t 78t
12m 9t 14t 21t 31t 38t 59t 85t
13m 10t 15t 23t 33t 41t 64t 92t
14m 11t 16t 25t 36t 44t 69t 99t
15m 12t 17t 27t 38t 47t 74t 106t
16m 13t 18t 28t 41t 50t 79t 113t
17m 13t 19t 30t 43t 53t 83t 120t
18m 14t 20t 32t 46t 57t 88t 127t
19m 15t 21t 34t 48t 60t 93t 134t
20m 16t 23t 35t 51t 63t 98t 141t
21m 16t 24t 37t 53t 66t 103t 148t
22m 17t 25t 39t 56t 69t 108t 156t
23m 18t 26t 41t 59t 72t 113t 163t
24m 19t 27t 42t 61t 75t 118t 170t
25m 20t 28t 44t 64t 79t 123t 177t
All Doowin Marine marine salvage airbags are manufactured and inspected fully compliant with ISO 14409 "Ships and marine technology - ship launching air bags" and IMCA D016, certificated by CCS, LR, BV.
Why Choose Rubber Marine Salvage Airbags
Rubber marine salvage airbags are made by multilayer heavy-duty synthetic-tire-cord layers. They are more sturdy and reliable than PVC air lifting bags commonly used in the diving or marine salvage indury.
  • High Buoyancy Capacity - Salvage rubber airbags create high buoyancy capacity with safer air pressure, ranging from 4t to 300t.
  • Deep Water Operation - These marine salvage rubber airbags can be used for deepwater salvage lifting and can be equipped with safety valves.
  • Abrasion Resistant - Salvage rubber air bags feature 6-12 plies reinforcement layers to withstand most abrasion and puncture.
Structure of Marine Salvage Rubber Airbags
Marine salvage airbags are equipped with lifting belts and shackles. For larger sizes, we install safety valves that automatically release inner air-pressure when reaching the rated value.
You can select the required diameter and effective length for your projects. The specifications shown are standard arrangements, but we can supply other specifications upon request, with buoyancy capacity up to 300 tons.
Custom marine salvage airbag specifications
 

Ship Launching Airbags Material


Rubber airbags are constructed of an out rubber layer, multi-layer synthetic-tire-cord layers, and inner rubber layer vulcanized firmly. Rubber airbags are cylindrical balloon body, with two conical head and end mouth. Swivels and air inlet kits are screwed with end mouth. 

Synthetic-tire-cord Layer
Synthetic-tire-cord layer is reinforcement layer of the ship launching airbags which are made of rubber coated synthetic-tire-cord fabrics. Many synthetic-tire cord layers are twined at ideal angles by unique and patented "Holistic Wrapping Technology". To hold the internal pressure and to distribute the stress evenly. We use the 1870 dtex/2 type synthetic-tire-cord fabric. The warp is over 95 cords per 100 mm in width. The breaking strength is more than 310 N per cords.

Inner and Outer Rubber
Prior to the air bag production, the outer and inner rubber layers shall be tested to meet the criteria in accordance with the test methods given in the International Standards listed below. The outer rubber layer covers the outside of ship launching airbags. To protects the cord layers from abrasion and other external forces. This compound has sufficient tensile and tear strength to withstand any weather conditio

Marine Salvage Airbags Advantages

1. Special synthetic tire-cord layer material
Our “Salvage Tubes” are made with special synthetic tire-cord layers, which have much better performance than those made with PVC coated fabrics.
2. High-Pressure Design
Salvage Tubes have a maximum working pressure of 0.25Mpa. That means that they can be used under 25m water-depth.
3. Holistic Screw Type Enlacing Salvage Airbags
Our “Vessel Salvage Airbags” are a totally enclosed tube with cone ends. It is manufactured using Holistic Screw technology. This design ensures that there aren’t any welded seams. This makes them stronger than RF welded salvage airbags.
4. Equipped complete with accessories
Our Salvage-Bags are equipped with nylon straps and shackles with 6:1 safety factor
 
Various applications of marine salvage airbags
Why Our Marine Rubber Airbags
From the raw materials to the highly skilled production process, our engineering team constantly improves.
Our rubber roller are manufactured and tested to comply with ISO 14409, certificated by CCS, LR, DNV.
Marine rubber airbags quality inspection

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2011

  • Total Annual:

    3000000-5000000

  • Employee Number:

    60~80

  • Ecer Certification:

    Verified Supplier

Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airb... Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airb...

+ Read More

Get in touch with us

  • Reach Us
  • QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
  • Xiazhuang Industry Park, Chengyang, Qingdao, China
  • https://www.shiplaunchingairbags.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement