50 Kpa LNG STS Floating Pneumatic Marine Rubber Boat Dock Fender

Brand Name:Jerryborg
Certification:ISO17357 BV CCS ABS GL LR DVN SGS KR RINA
Model Number:yokohama pneumatic fender type
Minimum Order Quantity:negotiable
Delivery Time:10-20 working days
Payment Terms:L/C, T/T, Western Union
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Location: Qingdao Shandong China
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50 kpa LNG STS floating pneumatic marine rubber boat dock fender


The Pneumatic Fender (Yokohama Fender) is an abrasion-resistant rubber fender filled with high pressure air. It can easily be deflated which allows simple and cost effective relocation and re-commissioning in other locations.


Advantages of JRB pneumatic fenders:


A versatile and well proven design. JRB pneumatic fenders are available as sling type or with chain &tyre nets to suit a variety of inshore and offshore applications.

ISO 17357 certified
Guaranteed energy absorption
Low hull pressures
Chain tyre net and Sling type
Thick skin construction
Good angular performance

Fender Type

Detailed Imagine


Whats the Structure of Pneumatic Rubber Bumper?


Float rubber fender is made from inner rubber, synthetic-tyre-cord layer for reinforcement, outer rubber, flange opening and other metal parts.


The inner rubber is made from natural rubber with rubber content higher than 53%, which ensures the air retention of the pneumatic fender, and it can be used for a long time without obvious pressure relief. It is available in thickness from 2 to 4mm, which is determined according to the requirements of pneumatic rubber fenders of different specifications.


The synthetic-tyre-cord layer for reinforcement is gumming, and it features thick warps, competitive density and high strength. It is bonded with the inner and outer rubber after gumming, and then the three layers are bonded together after being vulcanized at high temperature. Therefore, the cord layer has high strength, abrasion and impact resistance, great thermostability, good adhesion with rubber, aging resistance and easy processing.


The outer rubber is mainly used to protect the reinforced layer and the inner rubber and further ensure the air retention of the float rubber fender.



Safety and Reliability
Yokohama Pneumatic Rubber Fenders are constructed of several layers of strong tire-cord, and are thus resistant to pressure and cutting. 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. Furthermore, large-size fenders are equipped with a safety valve to release the inside air in the event of accidental over-pressure. The figure below shows data obtained from many destructive pressure tests at various percentage compressions. Such data are used to establish a basic minimum endurable pressure (MEP) curve for pneumatic rubber fenders.
Advantages at Inclined Berthing
Ships usually make initial contact with the dock or another ship on STS operations at an oblique angle. In the case of solid rubber fenders or foam fenders, rated reaction force and energy absorption decreases considerably at inclined compressions compared with parallel compression. In order to compensate for the decrease of energy absorption at inclined compression, it is necessary to use larger sizes in the case of solid rubber fenders or foam fenders.


Adaptable to the Tide
Yokohama Pneumatic Rubber Fenders basically float on the water in an unrestricted vertical plane corresponding to the tidal range and ship's vertical movement. This means that energy absorption always takes place at the most suitable position, and that only one fender is required per dolphin.

PNEUMATIC FENDER DIMENSIONS AND PERFORMANCE VALUES


Pneumatic 50 (Metric)


Nominal Size Diameter x LengthInitial Internal PressureGuaranteed Energy Absorption (GEA)Reaction Force at GEAHull Pressure at GEASafety Valve Setting pressureTesting PressureWeight of Net Type (Type I)Weight of Sling Type (Type n)
Approx. Fender Body WeightApprox. Weight of Net
ERPChain NetWire NetSynthetic Fiber Net
(mm x mm)(kPa)(kNm)(kN)(kPa)(kPa)(kPa)(kg)(kg)(kg)(kg)(kg)
500 x 100050664132-20022110302028
600 x 100050874126-20025120302232
700 x 15005017137135-20045150403751
1000 x 15005032182122-20073200805189
1000 x 20005045257132-2008822014057104
1200 x 20005063297126-20013132019068147
1350 x 250050102427130-200200350200-229
1500 x 300050153579132-200250530350-279
1700 x 300050191639128-200290580440-320
2000 x 350050308875128-200405960640-459
2500 x 40005066313811371752509021240910-1080
2500 x 5500509432019148175250109018501160-1320
3300 x 45005011751884130175250146017101270-1800
3300 x 65005018143015146175250187025701910-2180
3300 x 106005030675257158175250256046603300-3060
4500 x 90005047525747146175250394053903520-4560
4500 x 120005064737984154175250479069905190--

Pneumatic 80 (Metric)​


Nominal Size Diameter x LengthInitial Internal PressureGuaranteed Energy Absorption (GEA)Reaction Force at GEAHull Pressure at GEASafety Valve Setting pressureTesting PressureWeight of Net Type (Type I)Weight of Sling Type (Typen)
Approx. Fender Body WeightApprox. Weight of Net
ERPChain NetWire NetSynthetic Fiber Net
(mm x mm)(kPa)(kNm)(kN)(kPa)(kPa)(kPa)(kg)(kg)(kg)(kg)(kg)
500 x 100080885174-25024110302030
600 x 1000801198166-25027120302234
700 x 15008024180177-25047150403753
1000 x 15008045239160-25076200805192
1000 x 20008063338174-2509222014057108
1200 x 20008088390166-25013532019068151
1350 x 250080142561170-250205350200-234
1500 x 300080214761174-250277530350-306
1700 x 300080267840168-250316580440-346
2000 x 3500804301150168-250413970690-467
2500 x 400080925181518023030010101250910-1190
2500 x 55008013172653195230300123018601170-1460
3300 x 45008016402476171230300172017201280-2050
3300 x 65008025323961191230300220025801990-2530
3300 x 106008042816907208230300303046603300-3520
4500 x 90008066337551192230300438054403580--
4500 x 1200080903710490202230300533070305230--

GENERIC PERFORMANCE CURVE PNEUMATIC FENDERS


Applications


In ports with extreme tidal variations
Ship-to-ship operations
Oil & Gas (typically FSRU)
Temporary berthing


China 50 Kpa LNG STS Floating Pneumatic Marine Rubber Boat Dock Fender supplier

50 Kpa LNG STS Floating Pneumatic Marine Rubber Boat Dock Fender

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