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.

Fender Type

Detailed Imagine

What’s 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.

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)

Pneumatic 80 (Metric)​

Applications

Qingdao Jerryborg Marine Machinery Co., Ltd is a leading international marine products manufacturer & distributor with 15+ years of rich experience in production of marine docking & mooring systems. Jerryborg Marine Machinery Co., Ltd, headquartered in Qingdao, China, is committed to marine fendering and floating products production, R&D and sales. The Jerryborg Marine is equipped with production facilities for high-quality rubber products, ship launching airbags and foam fenders, Yokohama type pneumatic rubber fender, navigation buoys, steel/EVA mooring buoy, distributing mooring ropes, steel wire ropes, marine hardware like anchor chains, anchors, etc.

The Jerryborg serves as a strategic partner of Marine Fender & Mooring Industry, providing excellent products as well as professional and technical expertise. While our true role is designer and manufacturer for marine docking & mooring systems with accessories. We value all customers as important parts of our team, supporting them like close partners. we are with them at each step of the project, from technical consulting, engineering customized fendering and mooring solutions to the manufacturing and installation of marine docking & mooring systems. Our rich experience has earned a good reputation as a dependable partner in the waterways markets, harbors, international ports, etc.

Regional Distributors

The Jerryborg headquarters in Qingdao has an experienced team handling projects and orders from North American region, Asian-Pacific region, European region and EMEIA. The regional distributors promote the local contact with customers. Our cooperation with regional distributors is based on mutual trust, loyalty, long and close working partnership. During our annual meeting all our distributors meet with the service teams to keep informed on industry developments and to catch up with our highly internal quality standards as the best counselors for our customers. Direct contact between all our employees and distributors plays a significant role in our company’s development.

Manufacturing Facilities

Providing safe & critical marine fender systems and mooring systems, the Jerryborg has a strong focus on manufacturing all major spare parts in-house, guaranteeing “higher than highest” quality and reliability at their own production machines. Our rubber fender manufacturing machines in Qingdao has an extensively proven track record of manufacturing high quality rubber fender products & mooring products.

All staff and partners who are involved in the production of marine products are well qualified, frequently trained and further educated to keep up with the latest developments in their specific job.rubber rolling mill, fender press test machine, rubber vulcanizer.

Jerryborg's Focus

It is the mission of what our products are meant to do——creating the value of protection and safety. We offer the full range of marine fender products and marine mooring buoy products, from simple rubber products to highly engineering systems, as well as spare parts and fixings. A strong focus lies on internal manufacturing to offer high-level fenders & buoys at reasonable prices.

our fender systems are designed with an eye for the big picture to make sure our products qualified for the task, while paying attention to every little detail. Engineering advantages means that our partners can be confident in expecting the best from us in all areas.