Learn about Yokohama type inflatable rubber fender (ball support)

Inflatable rubber fender (ball) is a marine anti-collision product that uses compressed air. Mainly using compressed air as a buffering medium to absorb the impact energy of ships, making them more flexible and flexible when docked, in order to achieve the effect of collision prevention, anti-collision and avoidance. The Yokohama type docking ball belongs to a type of protective sleeve docking ball, usually wrapped around a sphere with airplane or engineering tires, and equipped with shoulder straps at both ends, which is widely used for transfer operations between ships and ship berthing operations. The dimensions are: D0.5m x L1.0m~D3.3m x L6.5m. Inflatable fenders (ball bearings) are strictly produced in accordance with the international quality standards ISO17357-2002 and GB/T 21482-2002, and their products are sold worldwide.


characteristic:

1. Large compression deformation, low reaction force, and high energy absorption

2. Good floating performance, able to adapt to the needs of tidal level changes

3. Using compressed air as a medium, work is done through compressed air to consume collision energy

4. Easy installation and long service life


Marine Rubber Fenders

Structure:

 

1. Outer layer glue

 

The rubber layer covering the outside of the ball is used to protect the ball skeleton material and inner layer rubber from external damage or wear. The main features are high strength, wear resistance, and tear resistance.

 

2. Nylon cord fabric reinforcement layer

 

The reinforcement layer is composed of nylon cord layers wound together, and is maintained by the air pressure inside the ball. It has the advantages of no deformation, high resilience, and high strength.

 

3. Inner layer adhesive

 

The rubber layer on the inner wall of the ball is used to prevent gas leakage and maintain the pressure of the ball.

 

4. End flange

 

Metal parts at both ends of the ball can be installed with inflation valves and safety valves


Product Specifications:


Remarks: 

1Tolerance for reaction force and energy absorption ±10%  

2. Weight tolerance ±10%   

3. Special dimensions can be manufactured according to requirements

 

 


Normal Size
(Diameter × Length)


Initial Internal Pressure 0.05Mpa


Initial Internal Pressure 0.08Mpa


Guaranteed Energy Absorption
(GEA)


Reaction Force At GEA
(RF)


Hull Pressure At GEA (PR)


Guaranteed Energy Absorption
(GEA)


Reaction Force At GEA
(RF)


Hull Pressure At GEA (PR)

 

(mm×mm)

(KN/M)

(KN)

(KPa)

(KPa)

(KPa)

(KPa)

500×1000

6

64

132

8

83

174

600×1000

8

74

126

11

96

166

700×1500

17

137

135

24

178

178

1000×1500

32

182

122

44

235

161

1000×2000

45

257

132

63

335

174

1200×2000

63

297

126

86

386

166

1350×2500

102

427

130

140

554

170

1500×3000

153

579

132

211

751

175

1700×3000

191

639

128

263

830

168

2000×3500

308

875

128

424

1138

168

2500×4000

663

1381

137

925

1815

180

2500×5500

943

2019

148

1317

2653

195

3000 x 5000

1210

2104

154

1571

2709

185

3300×4500

1175

1884

130

1640

2476

171

3300×6500

1814

3015

146

2532

3961

191




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