DNV Certificate 1.8x12m Pneumatic Marine Rubber Airbags For Ship Launching
DNV Certificate 1.8x12m Pneumatic Marine Rubber Airbags For Ship Launching
1. Marine Rubber Airbag Introduction
6000 years ago, our ancestor begin to use log-rolling method to lift and move weights, which is still widely used in daily production and actual life nowadays. Marine rubber airbag is designed with soft rubber to lift and carry weights, based on log-rolling method.
Marine rubber airbag is an innovative product of Chinese own proprietary intellectual property rights. It has wide application like ship launching & upgrading, caisson lifting & moving, heavy weights lifting, underwater-engineering buoyancy aid. The marine rubber airbag is not limited to space and heavy machinery, which could efficiently shorten the construction period and save lots of funds.
2. Technical Requirement
According to CB/T 3795--1996, marine rubber fender should meet the following requirements.
- Dimensional Deviation:
Diameter & Effective Length Deviation: ±2%
Total Length Deviation: ±4%
- Amount of Elastic Deformation: diameter deformation amount ≤ 5% under 1.2 times working pressure.
- Safety Factor: >4.5
- Air Tightness: depressurization < 5% after 1hour inflation
- Surface Quality: fairing line shape, no crack, no bubble, no double skin, no impurities, no distinct dirt and other apparent defect.
- Anti-explosion design of end part.
3. New Anti-explosion Design of End Part
The possibility of air leakage in the joint area of metal part and rubber part is also increasing as working pressure of airbag is added. After using for times under high working pressure, the airbag would burst and metal part would hurt workers.
Henger invented new anti-explosion design of the airbag end part, increasing the bonding strength and air tightness between rubber body part and end metal part. Henger airbag is working very well under higher working pressure without potential safety hazard.
| Diameter(m) | Effective Length(m) | Layer | Pressure(MPa) |
| 1.0 | 10 | 5~6 | 0.07~0.10 |
| 1.0 | 12 | 5~6 | 0.07~0.10 |
| 1.0 | 15 | 5~6 | 0.07~0.10 |
| 1.2 | 10 | 5~6 | 0.08~0.12 |
| 1.2 | 12 | 5~6 | 0.08~0.12 |
| 1.2 | 15 | 5~6 | 0.08~0.12 |
| 1.5 | 12 | 5~8 | 0.08~0.16 |
| 1.5 | 15 | 5~8 | 0.08~0.16 |
| 1.5 | 18 | 5~8 | 0.08~0.16 |
| 1.5 | 20 | 4~8 | 0.08~0.16 |
| 1.5 | 24 | 5~8 | 0.08~0.16 |
| 1.8 | 12 | 5~8 | 0.08~0.15 |
| 1.8 | 15 | 5~8 | 0.08~0.15 |
| 1.8 | 18 | 5~8 | 0.08~0.15 |
| 1.8 | 20 | 5~8 | 0.08~0.15 |
| 1.8 | 24 | 5~8 | 0.08~0.15 |
| 2.0 | 18 | 6~10 | 0.08~0.18 |
| 2.0 | 20 | 6~10 | 0.08~0.18 |
| 2.0 | 24 | 6~10 | 0.08~0.18 |
| 2.5 | 18 | 7~10 | 0.07~0.13 |
| 2.5 | 20 | 7~10 | 0.07~0.13 |
| 2.5 | 24 | 7~10 | 0.07~0.13 |
Why do customers like to choose us?
(1) Highest Quality
Complified with ISO14409 & ISO17682 standard, best quality natural rubr and enhanced Nylon line. High pressure, anti-aging, wear resistane and anti-explosion.
(2) Perfect after-sale service
7x24 hours online.Our international service hotline is 86-18561375951. Any problem can be solved with the help of our professional technical team.
(3) Fastest delivery time
Thanks for reading, if you have any interest or questions, please feel free to contact me.
Tel/WhatsApp:+86 15053332502
E-mail:echo-bai@hengergroup.com
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