ISO 13729-2012 Closed Chock
ISO 13729-2012 Closed Chock

ISO 13729-2012 Closed Chock

Material: ZG230-450
Standard: ISO 13729-2012
Type: Deck-Mounted/Bulwark-Mounted
Surface: Zinc rich primer
Availible cert.: CCS, ABS, BV, DNV, LR and other certificates.

ISO 13729-2012 Closed Chock

ISO 13729-2012 Closed Chock 1.jpg

Introduction:

   The closed chock is a common ship device installed on the ship to guide the movement of the ropes. In the ISO 13729-2012 standard, there are two types of closed chocks: A type and B type. Type A is installed on the deck and type B is installed on the bulwark.

Drawings and Parameters of ISO 13729-2012 Closed Chock Type A:

ISO 13729-2012 Closed Chock 4.jpg

Form 1-1:

Nominal size

L*H*D

l1

l2

l3

l4

H1

H2

H3

R

R1

R2

R3

250*200*214

488

453

76

265

427

368

108

100

219

160

108

300*250*286

614

565

89

330

551

481

144

125

282

212

144

350*250*333

716

660

114

403

601

525

168

125

308

232

168

400*250*381

820

754

139

475

652

553

192

125

335

236

192

450*250*381

870

804

164

524

652

553

192

125

335

236

192

500*250*381

920

854

189

574

652

553

192

125

335

236

192

400*250*428

870

796

139

500

701

609

216

125

360

268

216

450*250*428

920

846

164

550

701

609

216

125

360

268

216

500*250*428

970

896

189

600

701

609

216

125

360

268

216

500*400*428

970

896

176

600

851

759

216

200

435

343

216

500*250*525A

1068

1000

190

652

798

675

264

125

409

286

264

500*400*525A

1068

1000

193

652

948

825

264

200

484

361

264

500*250*525B

1074

1000

176

652

801

680

264

125

412

291

264

500*400*525B

1074

1000

179

652

951

830

264

200

487

366

264

Form 1-2:

Nominal size

L*H*D

R4

R5

R6

d1

T

Welding

Leg

length

SWL

Wire Rope

Diameter

(recommended)

Calculated

weight

(kg)

z1

KN

t

250*200*214

86

150

128

108

22

6

226

23

18

73

300*250*286

118

180

154

144

26

6.5

422

43

24

142

350*250*333

138

200

170

168

30

7.5

549

56

28

222

400*250*381

156

250

214

192

36

9

687

70

32

310

450*250*381

156

250

214

192

36

        9

706

72

32

322

500*250*381

156

250

214

192

36

9

765

78

32

337

400*250*428

178

250

212

216

38

9.5

883

90

36

434

450*250*428

178

250

212

216

38

9.5

912

93

36

452

500*250*428

178

250

212

216

38

9.5

932

95

36

472

500*400*428

178

250

212

216

38

9.5

893

91

36

528

500*250*525A

224

320

280

264

40

10

1148

117

44

657

500*400*525A

224

320

280

264

40

10

1158

118

44

724

500*250*525B

218

320

274

264

46

11.5

1413

144

44

753

500*400*525B

218

320

274

264

46

11.5

1383

141

44

825

Drawings and Parameters of ISO 13729-2012 Closed Chock Type B:

ISO 13729-2012 Closed Chock 5.jpg

Form 1-1:

Nominal

size

L*H*D

 l1

l2

H1

H2

R

R1

R2

R3

R4

R5

 250×200×214

 516

441

466

 306

100

233

153

108

96

150

 300×250×286

638

554

588

410

125

294

205

144

128

180

 350×250×333

736

646

636

449

125

318

224.5

168

150

200

 400×250×381

834

736

684

450

125

342

225

192

172

250

 450×250×381

884

786

684

450

125

342

225

192

172

250

 500×250×381

934

836

684

450

125

342

225

192

172

250

 400×250×428

882

778

732

515

125

366

257.5

216

194

250

 450×250×428

932

828

732

515

125

366

257.5

216

194

250

500×250×428

982

878

732

515

125

366

257.5

216

194

250

500×400×428

982

878

882

665

200

441

332.5

216

194

250

500×250×525A

1078

976

828

551

125

414

275.5

264

240

320

500×400×525A

1078

978

978

701

200

489

350.6

264

240

320

500×250×525B

1078

976

828

554

125

414

277

264

238

320

500×400×525B

1078

978

978

704

200

489

352

264

238

320

Form 1-2:

Nominal

size

L*H*D

R6

d1

d2

T

 θ

Welding

leg

length

 

SWL

Wire

Rope

Diameter

(recommended)

 Calculated

Weight

(kg)

z1

z2

KN

t

 250×200×214

138

108

80

12

44°

6

5

226

23

18

49

 300×250×286

164

144

100

16

44°

8

6.5

422

43

24

 100

 350×250×333

182

168

120

18

55°

9

7

549

56

28

141

 400×250×381

230

192

120

20

47°

10

8

687

70

32

184

 450×250×381

230

192

120

20

47°

10

8

706

72

32

194

 500×250×381

230

192

120

20

47°

10

8

765

78

32

202

 400×250×428

228

216

120

22

56°

10

9

883

90

36

264

 450×250×428

228

216

120

22

56°

10

9

912

93

36

276

500×250×428

228

216

120

22

56°

10

9

932

95

36

288

500×400×428

228

216

120

22

56°

10

9

893

91

36

311

500×250×525A

296

264

120

24

53°

10

9.5

1148

117

44

379

500×400×525A

296

264

120

24

53°

10

9.5

1158

118

44

408

500×250×525B

294

264

120

26

53°

10

10.5

1413

144

44

405

500×400×525B

294

264

120

26

53°

10

10.5

1383

141

44

442

Picture of ISO 13729-2012 Closed Chock Type A:

ISO 13729-2012 Closed Chock 6.jpg


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