High Elasticity Marine Donut Fender For Protection And Guidance

Donut Fender Installation
 

The installation of donut fender is very simple. All we have to do is to deliver the fenders to the site and lift over and lower them onto the fender pile. We 

 
don’t need to ballast or trim the fenders cause they’ll float at the level that is already designed. The last step is to place the capping part over the top of 
 
the fender pile. Jerryborg offers the donut fenders with various sizes and colors with a long lifespan, besides they’re cost-effective and easy to maintain.

 
Donut Fender Application
 
1. Submarine jetty
 
2. Locks and dry dock entrances
 
3. Turning dolphins
 
4. Corner protection
 
5. The places where tides vary largely
 
6. Bridge protection
 

Donut Fender Features

 
1. Low shear force
 
2. Easy installation and maintenance
 
3. Cost-effective with a long lifespan
 
4. Tide adaptation
 
5. Adjustable drafts with the counterweights
 

Donut Fender Specification

 

pile diameter (mm)

outer diameter (mm)

overall length (mm)

standard capacity (at 60% deflection)
energy absorption (kNm)
reaction force (kN)
500
1000
3000
14.7
224.6
600
1200
2000
13.7
179.5
600
1200
3000
21.5
269.6
900
1800
1000
15.7
135.3
900
1800
2000
32.3
269.7
900
1800
3000
48
405.1
1250
2500
2000
61.8
374.7
1250
2500
3000
92.2
562.1
1250
2500
4000
123.6
750.4
1500
3000
2000
89.2
450.2
1500
3000
3000
133.4
674.9
1500
3000
4000
177.5
899.7
2000
4000
2000
157.9
600.3
2000
4000
3000
236.4
899.5
2000
4000
4000
315.8
1199.7
Categories: ,
Donut Fender
 
Donut fender is suitable for the places like lock entrances, turning
structures, approach channels and breasting dolphins. It’s often installed
the surface of the quay wall and it can rise and fall with the tide. Apart from
the feature of tide adaptation, Jerryborg donut fender can also rotate
around the pile helping guiding vessels due to its low friction.
 
Donut fender shares the same high-quality raw material and similar
structure with foam filled fender, and it’s unsinkable, easy to replace and
maintain. Jerryborg can offer various donut fenders in different sizes and
colors upon customer’s request.

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