ISO 13776-2020 Pedestal Roller Fairlead - Marine Fairlead - Hi-sea

ISO 13776-2020 Pedestal Roller Fairlead

ISO 13776-2020 Pedestal Roller Fairlead

Introduction:

The pedestal fairlead is a type of ships mooring fittings installed on board to lead and change the direction of mooring ropes. The yield point of the material used for manufacturing the pedestal fairlead should not be less than 235N/mm², all the surfaces of the roller and pedestal of the fairlead and the welding area should not have visible flaws.

All the surfaces touched with ropes should not have roughness and irregularities, the ISO 13776-2020 Pedestal Roller Fairlead should be coated with anti-corrosion protective paint.

Note of Steel Roller Used for ISO 13776-2020 Pedestal Roller Fairlead:

There are three types of roller for ISO 13776-2020 pedestal roller fairlead. Details follow the standard ISO 13755-2020 steel roller. Most of the sizes of type A and type B steel rollers are the same. Type B is a version of type A with a dust cover, so the weight of type B is slightly increased. The top of the type C steel roller is tapered with a dust cover too.

Drawing of ISO 13776-2020 Pedestal Roller Fairlead:



Parameters of ISO 13776-2020 Pedestal Roller Fairlead:

Form 1-1:

Nominal Size

Dn

D1

D2

d

h

h1

t1

t2

t3

z1

z2

Type A and B

Type C

150

220

230

71.5

81.5

200

100

16

10

16

8

5

200

288

300

93.5

102.5

200

100

20

12

20

10

6

250

357

370

113.5

119.5

200

100

22

12.5

22

11

6

300

417

430

128.5

130.5

225

125

24

13

24

12

6.5

350

472

490

145.5

152.5

225

125

26

17

26

15

8.5

400

540

560

154.5

164.5

250

150

28

18

28

17

9

450

600

620

167.5

179.5

250

150

30

20

30

20

10

500

655

680

178.5

195.5

250

150

32

22

34

23

11

Form 1-2:

Nominal

Size

Dn

SWL

Calculated Weight

(kg)

Relative Angle of Ropes=90°

Relative Angle of Ropes=0°

KN

t

KN

t

H=500mm

H=1000mm

H=1500mm

150

265

27

186

19

55

115

198

200

441

45

314

32

86

169

278

250

579

59

412

42

113

210

335

300

726

74

510

52

145

256

395

350

1040

106

736

75

201

358

552

400

1246

127

883

90

255

436

657

450

1599

163

1128

115

314

530

791

500

1942

198

1373

140

383

636

938

ISO 13755-2020 Steel Roller for ISO 13776-2020 Pedestal Roller Fairlead:


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