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 Hull Anodes

The external protection of hulls is usually provided by means of organic coatings. The protective paint coating, however, is easily damaged in localized areas by mechanical action, such as anchors, and by erosion at parts of the stern frame and the leading edge of the rudder. Preferential corrosion also occurs at rivet heads and welds. Cathodic protection can be of value in preventing or greatly reducing corrosion in these areas. The cathodic protection of hulls can be achieved with the use of sacrificial anodes.
Hull sacrificial anodes are typically fabricated in hydrodynamic shapes in order to reduce water resistance and efficiently protect vessels such as tankers, bulker containers, tugs, etc. that sail on worldwide routes. Anodes are available in a series of welded types with two or four metallic straps protruded from the end of each side, or as bolted types that need to be fixed on permanent studs placed on double plates and under absorpxion rubber pads. The standard series of SYNCOR anodes are kepx in stock for immediate delivery.
Flush Mounted
 
Type
LXWXH (mm)
NW (kg)
GW (kg)
A15
230X78X37
1.1
1.5
A28
290X100X50
2.3
2.8
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Type
LXWXH (mm)
NW (kg)
GW (kg)
A30
275X128X32
2.7
3.5
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Type
LXWXH (mm)
NW (kg)
GW (kg)
A60
450X100X62
5.0
6.2
A100
550X128X50
8.5
9.9
A120
555X132X68
10.3
11.8
A140
660X132X68
12.3
14.1
A150
920X128X48
13.0
15.0
A175
920X128X52
14.8
17.5
A230
920X128X71
20.3
23.0
 


Type
LXWXH (mm)
NW (kg)
GW (kg)
W2A
150X70X20
0.5
0.6
W3A
200X100X20
1.1
1.2
W4A
200X100X30
1.4
1.5
W5A
200100X40
1.8
1.9
W8A
300X150X25
2.7
3.0
W9A
300X150X30
3.0
3.3
W10A
300X150X40
4.2
4.5
W11A
300X150X50
5.1
5.4
W12A
300X150X60
6.3
6.6
W13A
300X150X70
7.4
7.7 
W14A
300X150X75
8.1
8.5
W15A
300X200X40
5.3
5.6
W16A
300X200X45
6.3
6.6
W17A
300X200X50
7.3
7.6
W18A
300X200X55
8.3
8.6
W19A
300X200X60
9.3
9.6
Bolt on type
 
 
 
 
 
Type
LXWXH (mm)
P (mm)
NW (kg)
GW (kg)
B2A
150X70X20
80
0.5
0.6
B3A
200X100X20
110
1.1
1.2
B4A
200X100X30
110
1.4
1.5
B5A
200100X40
110
1.8
1.9
B8A
300X150X25
160
2.7
3.0
B9A
300X150X30
160
3.0
3.3
B10A
300X150X40
160
4.2
4.5
B11A
300X150X50
160
5.1
5.4
B12A
300X150X60
160
6.3
6.6
B13A
300X150X70
160
7.4
7.7 
B14A
300X150X75
160
8.1
8.5
B15A
300X200X40
160
5.3
5.6
B16A
300X200X45
160
6.3
6.6
B17A
300X200X50
160
7.3
7.6
B18A
300X200X55
160
8.3
8.6
B19A
300X200X60
160
9.3
9.6
B20A
300X200X65
160
10.3
10.6
 
Type
LXWXH (mm)
P (mm)
NW (kg)
GW (kg)
RF58
360X180X45
180
5.5
5.8
RF80
540X130X55
340
7.6
8.0
RF96
540X140X65
340
9.2
9.6
RF118
460X200X65
260
11.4
11.8
RF155
540X200X65
340
15.0
15.4
RF165
930X170X40
600
15.5
16.5
RF185
1100X160X40
800
17.5
18.5
RF242
1000X180X55
600
23.2
24.2
L=Length , W=width, H=Height, P=Pitch NW=Net weight, GW=Gross weight
 
 
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