Qingdao Jerryborg Marine Machinery Co., Ltd
Fendering and Floating Solutions
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Pneumatic Hydro Fender Floating Hydro Submarine Fender
Hydro Submarine Fender
Hydro submarine fender is perfect for berthing submarine due to its high energy absorption and low reaction force. Hydro submarine fender is usually installed vertically equipped with a counterweight, which provides a better contact area that other pneumatic fenders can not do. Jerryborg hydro submarine fender is customized upon its water-air ratio, the shape of the hull, berthing-type, energy absorption, and jetty design.
Hydro submarine fender is marine equipment used to prevent ships, ships, and other naval vessels from colliding with each other or crashing into docks, wharves, and piers. In other words, hydro submarine fenders can be simply called marine bumpers.
Fully compliant with the ISO17357 standard, Jerryborg’s hydro submarine fender supplies a variety of specifications and dimensions to meet customer’s requests and different application conditions.
Hydro Submarine Fender Specification
| fender size (mm) | without water 60% deflection | filled with water 45% deflection | ||||
| energy (knm) | reaction (kn) | ratio water/air (%) | energy (knm) | reaction (kn) | ||
| 1700×7,200 | 560 | 1,810 | 65/35 | 134 | 611 | |
| 2,000×6,000 | 647 | 1,766 | 65/35 | 155 | 599 | |
| 2,500×5,500 | 928 | 2,037 | 65/35 | 223 | 687 | |
| 3,300×6,500 | 1,913 | 3,169 | 60/40 | 616 | 1,247 | |
| 3,300×10,600 | 3,120 | 5,170 | 55/45 | 589 | 1,275 | |
| standard tolerance of ±10% | ||||||
Hydro Submarine Fender Application
1. Submarines
2. Catamaran
3. Semi-submersible drilling platform
4. Fast ferry
Hydro Submarine Fender Structure
① Outer rubber layer
Marine hydro pneumatic fenders are covered by the outer layer made of natural rubber. This rubber compound is strong enough to protect the inner layer and synthetic-cord layer from the damage of external forces and severe weather conditions due to its high elasticity and abrasion resistance.
② Synthetic-tire-cord layer
The Synthetic-tire-cord layer is made of synthetic-tire-cord fabrics, compared with synthetic canvas fabric and synthetic belt fabric, this reinforcement layer performs better in fatigue-resistance and pressure-holding.
③ Inner rubber layer
The inner rubber layer is designed to seal the air inside the fender.
For further information free to contact us.