Pneumatic Fenders

Pneumatic fenders are the most commonly used ship-to-ship transfer fenders and are also used as vessel-to-berth at dock/jetties.

To exceed the performance of ISO17357 standard.

Excellent energy absorption and reaction force.

Use cases of Pneumatic fenders in harsh environments.

No detail is spared with our Pneumatic Fender.

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Pneumatic Fender Types

Chain&tyre Net Type Pneumatic Fender

Sling Type Pneumatic Fender

Rope Net Type Pneumatic Fender

Rib Type Pneumatic Fender

Grey Type Pneumatic Fender

Red Type Pneumatic Fender

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To exceed the performance of ISO17357 standard

The safety factor adopted in the design of this fender is based on accepted theory and has been proven by extensive experimentation.Operational experience over a long period of time attests to its high safety and reliability,and hydraulic pressure tests have proven the strength to be suitable.

Excellent energy absorption

The energy absorption of SUNHELM pneumatic fender not only comply the standard with ISO17357, but after deep optimization and testing of the quality of fender, energy absorption performance exceeds the standard requirement of ISO17357, which can achieve the best energy absorption effect by fender and fully protect it.

Excellent reaction force

On the basis of better than ISO17357 energy absorption performance,after deep optimization and testing of fender quality, the reaction force performance is even better than ISO17357.

Pneumatic Fender Compression experiment

STS operation (Large Ship) apply with D1500mm*L3000mm SUNHELM pneumatic fender.Application environment is bad,strong wind and waves.Fender compression over 70% still keep superior performance to fully protect ship,not burst.

Outer Rubber Layer Part

I Mechanical protection (Friction)  I Chemical Resistance (Environment)  I Energy dissipation

Synthetic Tire Cord Layer Part

I Carry load of membrane force  I keep the geometry stable

Rubber Matrix Part

I Adhesion to reinforcement material  I Distance layer of fabric plies  I Shearing force loading

Air Tightness Layer Part

I Strengthen air tightness  I Reinforces rubber & tire cord plies

Inner Rubber Layer Part

I Pressure transfer  I Ensure air tightness  I Provides chemical resistance

Pneumatic Fender Construction

Rubber Sleeve Enough Thickness

Enough thickness ,extended service life.Rubber sleeve with synthetic tire cord reinforcement.Rubber sleeve is used to prevent the friction between chain and fender. When rubber sleeve fails, the chain begins to rub against the fender, thereby reducing the fender service life.

Chain ,Shackle and Tire Net Pneumatic Fenders

Chain thicker diameter, short length, close arrangement,Stronger bearing capacity. Shackle Intersection of horizontal and vertical chains with shackle design. Chain Net separated chain design,connect with shackle,chain towing/hanging force is even.

Pneumatic Fender
Safety Valve For Safer of Big Size Pneumatic Fenders

Excellent larger structural design, efficient and fast to release internal pressure ,Ensure fender safety completely.Self-developed and designed safety valve has a number of unique patents, as a vital insurance measure which can quickly and accurately release pressure in emergency situations.

High Quality Flange Cage Design

The function of CTN is to protect the fender and prolong the service life, and the coverage density should reach 70% or more. The CTN bears the hanging/towing force and the CTN also a part with many details.Therefore, it is very important to scientifically evaluate the performance and design of CTN.

 
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We have stock of pneumatic fenders in common sizes of STS.

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info@sunhelmmarine.com
+86 (0)531 88255160
 WhatsApp: +86 135 7317 2195



     

    Pneumatic Fender Structure

    The diameter of SunHelm Yokohama fenders ranges from 500mm baby fender to 4500mm large fender, and the length ranges from 1000mm to 12000mm, and it accepts fully customized sizes to better meet your project needs. You can also customize the color you want to match the color of your hull. There are two main types of pnermatic rubber fenders, one is sling type, it's also called"Type II "this kind of fender adds an extra cord layer and outer layer cover. The other is the most commonly used "Net type fender"(Type I). The outer layer of the sphere has a sheath composed of galvanized chains and tires that cross each other to effectively protect the sphere from wear.


    Yokohama pneumatic fender 50 (metric) standard sizes

    Technical performance table 

    Nominal size diameter x length

    mm x mm

    Initial internal pressure

    kPa

    Guaranteed energy absorption (GEA)

    kJ

    Reaction force at GEA

    kN

    Hull pressure at GEA

    kPa

    Safety valve setting pressure

    kPa

    Testing pressure

    kPa

    Approx. fender body weight

    kg

    Approx. weight of net

    kg

    Weight of sling type (type II)

    kg
    500 x 1000 50 6 64 132 - 200 22 160 32
    700 x 1500 50 17 137 135 - 200 45 185 55
    1000 x 1500 50 32 182 122 - 200 73 250 98
    1000 x 2000 50 45 257 132 - 200 88 385 113
    1200 x 2000 50 63 297 126 - 200 131 430 156
    1350 x 2500 50 102 427 130 - 200 200 675 240
    1500 x 3000 50 153 579 132 - 200 250 795 290
    1700 x 3000 50 191 639 128 - 200 290 830 330
    2000 x 3500 50 308 875 128 - 200 405 1165 465
    2000 x 4500 50 418 1188 137 - 200 480 1700 540
    2500 x 4000 50 663 1381 137 175 250 902 1745 1080
    2500 x 5500 50 943 2019 148 175 250 1090 2765 1320
    3300 x 4500 50 1175 1884 130 175 250 1460 2650 1840
    3300 x 6500 50 1814 3015 146 175 250 1870 3840 2250
    3300 x 10,600 50 3067 5257 158 175 250 2560 6755 3060
    4500 x 9000 50 4752 5747 146 175 250 3940 7365 -
    4500 x 12,000 50 6473 7984 158 175 250 4790 9875 -


    Note:

    1. Figures on the table comply with ISO 17357
    2. Weight of fender body and net may vary ±10%.
    3. Special sizes are available on request simply 


    Yokohama pneumatic fender 80 (metric) standard sizes

    Technical performance table 

    Nominal size diameter x length

    mm x mm

    Initial internal pressure

    kPa

    Guaranteed energy absorption (GEA)

    kJ

    Reaction force at GEA

    kN

    Hull pressure at GEA

    kPa

    Safety valve setting pressure

    kPa

    Testing pressure

    kPa

    Approx. fender body weight

    kg

    Approx. weight of net

    kg

    Weight of sling type (type II)

    kg
    500 x 1000 80 8 85 174 - 250 24 160 34
    700 x 1500 80 24 180 177  - 250 47 185 57
    1000 x 1500 80 45 239 160  - 250 76 250 101
    1000 x 2000 80 63 338 174  - 250 92 385 117
    1200 x 2000 80 88 390 166  - 250 135 430 160
    1350 x 2500 80 142 561 170  - 250 205 675 245
    1500 x 3000 80 214 761 174  - 250 277 795 317
    1700 x 3000 80 267 840 168  - 250 316 830 356
    2000 x 3500 80 430 1150 168  - 250 413 1165 473
    2000 x 4500 80 584 1560 179  - 250 488 1700 548
    2500 x 4000 80 925 1815 180 230 300 1010 1745 1190
    2500 x 5500 80 1317 2653 195 230 300 1230 2765 1460
    3300 x 4500 80 1640 2476 171 230 300 1720 2650 2090
    3300 x 6500 80 2532 3961 191 230 300 2200 3840 2570
    3300 x 10,600 80 4281 6907 208 230 300 3030 6755 3520
    4500 x 9000 80 6633 7551 192 230 300 4380 7365 -
    4500 x 12,000 80 9037 10490 202 230 300 5330 9875 -


    Note:

    1. Figures on the table comply with ISO 17357
    2. Weight of fender body and net may vary ±10%.
    3. Special sizes are available on request simply 

    What can
    we do for you?

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    SunHelm complies with the 17357 standard
    ISO 17357-1:2014 specifies the material, performance, and dimensions of low-pressure floating pneumatic rubber fenders, which are intended to be used for the berthing, and mooring of a ship to another ship or berthing structure.SunHelm complies with the 17357 standard，if you want to know the details, please contact us.
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    The hazards of low-quality Pneumatic fenders
    Low-quality foam fenders may be an advantage in terms of purchase cost, but in practical applications, Pneumatic fenders essentially test its energy absorption and reaction performance, safety and long-term stability. If the long-term application cost is considered, low-quality Pneumatic fenders have no any advantage, which will directly lead to economic losses for customers and threaten the safety of personnel/ships/docks.
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    What certificates can we provide?
    Normally, we provide the manufacturer certificate free of charges. If you need，We also can provide the BV, LR, ABS, CCS third party certificate upon the client's request.
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    Why Choose SunHelm?
    16 years of production experience

    Sunhelm has independently developed and produced pneumatic rubber fenders for 15 years. The production technology is mature, the technical research and development team is perfect, and the materials and production methods are constantly updated. It is already a leading manufacturer and supplier of pneumatic fenders in China.

    Many export countries

    Sunhelm has been deeply involved in the international market, and yokohama pneumatic fenders have been sold to 27 countries around the world including Russia, Brazil, Indonesia, Malaysia, Germany, Panama, and the United Arab Emirates. The customer complaint rate is only 1%.

    Higher safety factor

    Sunhelm’s pneumatic Yokohama fender fully meets the ISO17357 standard, uses a stronger cord layer, and has a safety factor of 7 times. You can buy it more at ease.

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    STS (SHIP-TO-SHIP) HOSE

    A ship-to-ship (STS) transfer operation is the transfer of cargo between seagoing ships positioned alongside each other, either while stationary or underway. Cargoes typically transferred via STS methods include crude oil, liquefied gas (LPG or LNG), bulk cargo and petroleum products. For ship-to-ship operations, usually 3-5 pcs pneumatic fenders are put between two ships, if transfer oil or liquefied gas, STS Hoses will be used to connect two ships cargo oil systems or gas tanks. Pneumatic fenders usually are anchored by mooring ropes to one ship’s main deck bollards.

    Heavy duty design - Safety factor of pressure strength is more than five times of the operating pressure.

    No permanent deformation - Helix wire free construction - deformation shall not remain permanently even though hoses get kinked by rough bending and deformation by slight vacuum during operation.

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