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QINGDAO LG RIGGING CO.,LTD.
QINGDAO LG RIGGING CO.,LTD.
LGRIG® Marine Double Bollard GBT554-1996 Type A
LGRIG® Marine Double Bollard GBT554-1996 Type A

LGRIG® Marine Double Bollard GBT554-1996 Type A

Marine Double Bollard, also known as Double Bitt Boat Bollard.

GBT554-1996 specifies the Type A marine double bollard, a symmetrically designed mooring fixture with two horns extending from a central base, fabricated from steel plate for robust maritime use.

Engineered to secure vessels to docks or piers, it withstands high loads and is typically bolted to concrete or steel foundations.

The standard defines dimensions, material requirements, and testing protocols, including strength and durability benchmarks.

Technical provisions address installation specifics: the base height (h) represents minimum values for steel decks, requiring 15mm elevation above wooden deck surfaces; optional stainless steel cladding (grade 1Cr18Ni9Ti) may cover bollard horns; units with nominal diameters ≤500mm may be constructed from seamless steel pipes or welded plates, while those ≥250mm can incorporate baffles as needed.

Compliance encompasses marking, labeling, and accompanying documentation.

Trawling Gear
Hooks
Shackles
Boat Fittings

Informations of LGRIG® Marine Double Bollard GBT554-1996 Type A

Brand

LGRIG®

Material

Steel Plate

Standard

GBT554-1996 Type A

Style

Marine Double Bollard


Specifications of LGRIG® Marine Double Bollard GBT554-1996 Type A

drawing-marine-double-bollard-gbt554-1996-type-a-lgrig.jpg

Part No.

Nominal

Dia.

(mm)

Max.

Breaking

Load

KN

D

D1

h1

h2

H

H1

≧t

≧t1

t2

A

B

≧h

l

L

R

≧t3

Ribs

Weight

(kg)

LGDB55496A100

100

29

114

145

40

6

196

150

10

6

7

250

165

50

70

445

15

6

6x40

19

LGDB55496A125

125

39

140

180

50

6

246

190

10

6

8

315

195

60

100

540

15

6

6x50

29

LGDB55496A160

160

49

168

210

60

6

316

250

10

6

9

400

225

70

145

670

20

6

6x60

45

LGDB55496A200

200

78

219

270

70

8

378

300

10

8

9

500

290

85

160

860

25

8

8x70

80

LGDB55496A250

250

118

273

335

80

8

470

380

11

10

9

630

360

100

215

1065

30

10

10x80

141

LGDB55496A315

315

196

325

390

105

10

597

480

15

12

9

800

430

125

325

1300

35

12

12x105

264

LGDB55496A355

355

255

351

420

120

10

663

530

170

13

12

890

480

145

360

1475

40

13

13x120

358

LGDB55496A400

400

314

402

480

135

10

749

600

18

14

12

1000

550

160

400

1630

45

14

14x135

499

LGDB55496A450

450

382

450

545

145

10

841

680

19

16

12

1130

620

170

450

1840

50

16

16x145

680

LGDB55496A500

500

451

508

610

160

12

928

750

20

18

12

1250

690

190

500

2040

55

18

18x160

911

LGDB55496A560

560

549

560

670

175

12

1025

830

22

20

12

1380

750

210

560

2240

60

20

20x175

1208

LGDB55496A630

630

868

610

730

190

12

1152

940

24

22

12

1570

820

225

680

2510

70

22

22x190

1601

LGDB55496A710

710

804

712

840

220

14

1294

1050

25

24

12

1750

960

260

710

2840

80

24

24x220

2252

LGDB55496A800

800

981

813

940

255

14

1480

1200

26

25

12

2000

1100

295

810

3240

80

25

24x255

3071


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