NANHAI - MARINE RUBBER AIRBAG
NanHai - Marine airbags are also known as inflatable marine airbags, ship launching airbags, roller bags, air lift bags, and salvage bags, which are made of synthetic-tire-cord reinforcement layers and rubber layers. They are widely used in cargo boat launching and landing, lifting and moving sunken ships, installation of underwater buoyancy aid, and salvaging stranded boats. The Products are less limited by space, no large mechanical equipment, can shorten the working period and save the unnecessary cost. Additionally they are flexible, portable and dependable. Therefore, Airbags are very popular with shipyard, ship owner and marine supplies company now.
MAJOR STRENGTHS OF NANHAI-MARINE AIRBAG
1. More safety: Nylon-6 Dipped Cord fabric, 3chords, single strength>313N, 1.5times than commons
2. More unique design: S316 Stainless steel designed airbag head, avoiding the irreparable damage at the ends; The drag end could stand the whole weight of the airbag, and it is very convenient to be dragged by a crane
3. More longer lifetime: 100% natural rubber, the lifetimes is at least 2 or 3 times than commons
4. Better air tightness: Guarantee 72 hours(3days) no air leakage
5. Different airbag size stock available, quick delivery
6. No harm to the environment, Time & money saving
7. Wear resistance and anti aging, Long time service life can be reused many times
STANDARD SPECIFICATIONS OF NANHAI-MARINE AIRBAG
Diameter (D): | From 0.8m to 2.5m |
Effective Length (EL): | From 3.0m to 30.0m |
Total Length (TL): | From 4.0m to 32m |
Standard Number of Layers: | Usually 4-10 layers |
Loading Capacity: | About 10-40 T/M |
Max. Loading capacity Per Unit | 30-1000 Ton/Unit |
CONSTRUCTION OF THE NANHAI - MARINE RUBBER AIRBAG
NanHai - marine rubbr airbags, basic body consists of which consist of our rubber layers, synthetic-cord-reinforced rubber layers, are kind of a cylindrical airbags with hemispherical heads at the both ends. All of these are vulcanized together, and then compress air inside to enable in to roll.
 | 1. Airbag Cylindrical Body 2. Airbag Conical Head 3. Airbag Air Inflate End 4. Airbag Drag End D. Dimeter of Airbag | LoA. Overall Length of Airbag L. Effective length of Airbag D1. Free State Height H. Operating State Height W. Operating State Breadth |
Normally when we say the length of the airbag, we mean the Effective Length
Marine air bags consist of three parts:
Airbag body: the main, cylindrical part of the air bag after being fully inflated with compressed air.
Airbag heads: conical parts connecting the body and the mouths of the air bag.
Airbag mouths: either metal valves mounted on both ends of the air bag for inflating with air or a valve on one end and a metal lug on the other end used to haul the air.
NanHai-Marine Airbag is to be constructed of an outer rubber layer, one or more Synthetic-Tyre-Cord layers, and an inner rubber layer.
The arrangement of Synthetic-Tyre-Cord reinforcement layers is showed below. All materials shall be vulcanized firmly.
APPLICATION OF NANHAI-MARINE AIRBAG
1. For ship upgrading, conversion or new/repair launching
2. Marine airbag for salvaging sunken ship or heavy immersed steel structure
3. For hoisting and transporting heavy goods up to 10,000 tonnes structure on land
4. For heavy lifting
5. For tunnel culverts to stop leaks
NANHAI-MARINE AIRBAG SPECIFICATION
| Series | Type | Diameter D(m) | Operating Pressure (Mpa) | Operating Height(m) | Bearing Capacity Each Meter(t/m) | ||||
| 0.4D | 0.5D | 0.6D | 0.4D | 0.5D | 0.6D | ||||
| S1 | S10 | 0.8 | 0.20 | 0.32 | 0.40 | 0.48 | 15.1 | 12.6 | 10.0 |
| 1 | 0.16 | 0.40 | 0.50 | 0.60 | 15.1 | 12.6 | 10.0 | ||
| 1.2 | 0.14 | 0.48 | 0.60 | 0.72 | 15.8 | 13.2 | 10.6 | ||
| 1.5 | 0.11 | 0.60 | 0.75 | 0.90 | 15.5 | 13.0 | 10.4 | ||
| S11 | 0.8 | 0.19 | 0.32 | 0.40 | 0.48 | 14.3 | 11.9 | 9.5 | |
| 1 | 0.15 | 0.40 | 0.50 | 0.60 | 14.1 | 11.8 | 9.4 | ||
| 1.2 | 0.13 | 0.48 | 0.60 | 0.72 | 14.7 | 12.2 | 9.8 | ||
| 1.5 | 0.10 | 0.60 | 0.75 | 0.90 | 14.1 | 11.8 | 9.4 | ||
| S12 | 0.8 | 0.24 | 0.32 | 0.40 | 0.48 | 18.1 | 15.1 | 12.1 | |
| 1 | 0.19 | 0.40 | 0.50 | 0.60 | 17.9 | 14.9 | 11.9 | ||
| 1.2 | 0.16 | 0.48 | 0.60 | 0.72 | 18.1 | 15.1 | 12.1 | ||
| 1.5 | 0.13 | 0.60 | 0.75 | 0.90 | 18.4 | 15.3 | 12.2 | ||
| 1.8 | 0.10 | 0.72 | 0.90 | 1.08 | 17.0 | 14.1 | 11.3 | ||
| S2 | S20 | 1 | 0.24 | 0.40 | 0.50 | 0.60 | 22.6 | 18.8 | 15.1 |
| 1.2 | 0.20 | 0.48 | 0.60 | 0.72 | 22.6 | 18.8 | 15.1 | ||
| 1.5 | 0.16 | 0.60 | 0.75 | 0.90 | 22.6 | 18.8 | 15.1 | ||
| 1.8 | 0.13 | 0.72 | 0.90 | 1.08 | 22.0 | 18.4 | 14.7 | ||
| 2 | 0.12 | 0.80 | 1.00 | 1.20 | 22.6 | 18.8 | 15.1 | ||
| S21 | 1 | 0.27 | 0.40 | 0.50 | 0.60 | 25.4 | 21.2 | 17.0 | |
| 1.2 | 0.23 | 0.48 | 0.60 | 0.72 | 26.0 | 21.7 | 17.3 | ||
| 1.5 | 0.18 | 0.60 | 0.75 | 0.90 | 25.4 | 21.2 | 17.0 | ||
| 1.8 | 0.15 | 0.72 | 0.90 | 1.08 | 25.4 | 21.2 | 17.0 | ||
| 2 | 0.14 | 0.80 | 1.00 | 1.20 | 26.4 | 22.0 | 17.6 | ||
| S22 | 1 | 0.31 | 0.40 | 0.50 | 0.60 | 29.2 | 24.3 | 19.5 | |
| 1.2 | 0.26 | 0.48 | 0.60 | 0.72 | 29.4 | 24.5 | 19.6 | ||
| 1.5 | 0.20 | 0.60 | 0.75 | 0.90 | 28.3 | 23.6 | 18.8 | ||
| 1.8 | 0.17 | 0.72 | 0.90 | 1.08 | 28.8 | 24.0 | 19.2 | ||
| 2 | 0.15 | 0.80 | 1.00 | 1.20 | 28.3 | 23.6 | 18.8 | ||
| 2.5 | 0.12 | 1.00 | 1.25 | 1.50 | 28.3 | 23.6 | 18.8 | ||
FOR NANHAI BRAND
NanHai Brand established since 2003, Own advanced brand effect in the world. we have always focussed on our valued customers and committed to airbags and pneumatic fenders manufacture and R&D. As time moves on, we are continually engrossed in the challenges of this ever changing world.
Our commitment to you, our customers, is that we endeavour to provide the best value solutions to your technology problems.
During company development history have very famous project case and abundant experience.
We look forward to meeting your challenges of the future as a significant supporter of your business.
FOR NANHAI QUALIFICATION
FAQ
1. Q : "I have ships but don't know how to choose the size of Marine Airbag."
A : Don't worry .We have more than 10 years' experience. Pls tell me information of your ship, we can suggest suitable size for you.
2. Q : "I want to try your Marine Airbag, but I never use it and don't know how to use, can you help me?"
A :Don't worry. We will send instruction book together with Marine Airbag.
3. Q :"What's your MOQ?"
A : Our MOQ is 1PC.
4. Q : "How about the lifespan of your Marine Airbag?"
A : Designed lifespan of our Marine Airbag is 6 to 10 years
5. Q : "What's your warranty period ?"
A : Our warranty period is 1 years. we will responsible for the repairment or replace the new ones for you if it proved to be our quality problem.
6. Q : "What kind of certificate can you provide ?"
A : CCS, BV etc. certificate is available.