ISO 13729 Type B Bulwark Mounted Closed Chock – Professional-Grade Mooring Solution
Engineered for Superior Wire Rope Handling
Our ISO 13729 Bulwark Mounted Closed Chock is specifically designed for vessels utilizing wire rope mooring systems. This precision-engineered component:
✔ Safely guides mooring/towing ropes from inboard to outboard
✔ Features an optimized radius (12x wire diameter) to prevent rope fatigue
✔ Provides secure bulwark-mounted operation
✔ Delivers exceptional durability for demanding marine environments
Key Technical Features:
• Certified Compliance: Meets strict ISO 13729 standards
• Heavy-Duty Construction: Marine-grade cast steel
• Precision Engineering: Mathematically optimized curvature
• Universal Compatibility: Suitable for most wire rope applications
Professional Applications:
✓ Commercial shipping vessels
✓ Offshore support craft
✓ Tugboats and work vessels
✓ Any application requiring wire rope mooring
Certified Quality Assurance:
All chocks carry certifications from leading classification societies:
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CCS
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ABS
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BV
-
LR
-
NK
-
RINA
Parameters:
| Nominal Size | H1 | H2 | l1 | l2 | R | R1 | R2 | R3 | R4 |
| L x H x D | |||||||||
| 250x200x214 | 466 | 306 | 516 | 441 | 100 | 233 | 153 | 108 | 96 |
| 300x250x286 | 588 | 410 | 638 | 554 | 125 | 294 | 205 | 144 | 128 |
| 350x250x333 | 636 | 449 | 736 | 646 | 125 | 318 | 224.5 | 168 | 150 |
| 400x250x381 | 684 | 450 | 834 | 736 | 125 | 342 | 225 | 192 | 172 |
| 450x250x381 | 684 | 450 | 884 | 786 | 125 | 342 | 225 | 192 | 172 |
| 500x250x381 | 684 | 450 | 934 | 836 | 125 | 342 | 225 | 192 | 172 |
| 400x250x428 | 732 | 515 | 882 | 778 | 125 | 366 | 257.5 | 216 | 194 |
| 450x250x428 | 732 | 515 | 932 | 828 | 125 | 366 | 257.5 | 216 | 194 |
| 500x250x428 | 732 | 515 | 982 | 878 | 125 | 366 | 257.5 | 216 | 194 |
| 500x400x428 | 882 | 668 | 982 | 878 | 200 | 441 | 332.5 | 216 | 194 |
| 500x250x525A | 828 | 551 | 1078 | 976 | 125 | 414 | 275.5 | 264 | 240 |
| 500x400x525A | 978 | 701 | 1078 | 978 | 200 | 489 | 350.6 | 264 | 240 |
| 500x250x525B | 828 | 554 | 1078 | 976 | 125 | 414 | 277 | 264 | 238 |
| 500x400x525B | 978 | 704 | 1078 | 978 | 200 | 489 | 352 | 264 | 238 |
The description/sizes may be different with goods, please check with us when order.
