Marine Swivel Forerunner – Premium Anchor Chain Connection System
Product Overview
The Marine Swivel Forerunner (Swivel Piece) is a critical anchoring system component designed to securely connect anchor chains to anchors while allowing rotational movement. This complete assembly includes End Links, Enlarged Links, Swivel mechanism, and Common Links, engineered to prevent chain twisting and ensure optimal performance in demanding marine conditions. Available in U2 and U3 grades with sizes from 16mm to 132mm and certified by all major classification societies, it provides reliable, certified connectivity for marine anchoring systems worldwide.
Key Features & Benefits
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✅ Complete Assembly Package – Includes End Links, Enlarged Links, Swivel, and Common Links
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✅ Twist Prevention Design – Swivel mechanism prevents chain twisting during deployment and retrieval
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✅ Multiple Grade Options – U2 and U3 grades for different strength requirements
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✅ Global Certification – ABS, LR, BV, GL, DNV, NK, KR, RINA, CCS approved
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✅ Comprehensive Size Range – 16mm to 132mm to match all anchor chain diameters
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✅ Standardized Joining Form – E+EL+SW+EL+C configuration for universal compatibility
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✅ Robust Construction – Engineered for maximum durability in harsh marine environments
Technical Specifications
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Product Type: Swivel Forerunner (Swivel Piece)
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Configuration: E+EL+SW+EL+C (End Link + Enlarged Link + Swivel + Enlarged Link + Common Link)
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Grades: U2, U3
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Size Range: 16mm to 132mm
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Certifications: ABS, LR, BV, GL, DNV, NK, KR, RINA, CCS
Component Weight Table (Selected Sizes)
| Chain Diameter | Kenter Shackle | Joining Shackle | Anchor Shackle | Swivel | Swivel Forerunner | Swivel Shackle Type A | Swivel Shackle Type B | |
|---|---|---|---|---|---|---|---|---|
| Inches | mm | kg | kg | kg | kg | kg | kg | kg |
| 17/27 | 16 | 0.6 | 0.9 | 1.5 | 1.3 | 3.2 | – | – |
| 3/4 | 19 | 1.1 | 1.8 | 2.4 | 2.1 | 5.5 | – | – |
| 7/8 | 22 | 1.6 | 2.6 | 3.9 | 3.5 | 8.7 | 17.5 | 7.6 |
| 1 | 25.5 | 2.5 | 4.5 | 6.7 | 5.7 | 14.2 | 37.6 | 12.5 |
| 1 1/4 | 31.5 | 5 | 8.2 | 11.7 | 10.1 | 26.6 | 91 | 23.4 |
| 1 1/2 | 38 | 8.4 | 13.4 | 19.5 | 17.4 | 42.6 | 107 | 39.4 |
| 2 | 51 | 20.3 | 34 | 50.9 | 49.5 | 117.2 | 264 | 101 |
| 2 1/2 | 63.5 | 38.4 | 62.7 | 96.3 | 83.3 | 202.2 | 403 | 188 |
| 3 | 76 | 60.7 | 107 | 146 | 143.8 | 347.8 | 464 | 314 |
| 3 1/2 | 89 | 90 | 160 | 212 | 198 | 464 | 931 | 424 |
| 4 | 101.5 | 158 | 267 | 378 | 344 | 835.5 | 1464 | 761 |
| 4 1/2 | 114.5 | 204 | 345 | 485 | 460 | 1116 | 1830 | 1062 |
| 5 | 127 | 312 | 499 | 679 | 729 | 1663 | – | – |
| 6 | 152.5 | 537 | 856 | 1164 | 1238 | 2839 | – | – |
Complete size and weight data available for all diameters from 16mm to 132mm
Applications
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Commercial vessel anchor system connections
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Offshore platform mooring systems
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Naval ship anchoring configurations
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Tugboat and workboat anchor assemblies
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Yacht and cruise ship anchoring systems
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Permanent mooring installations
SEO-Optimized Keywords
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Assembly Configuration
E+EL+SW+EL+C Designation:
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E – End Link
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EL – Enlarged Link
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SW – Swivel mechanism
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EL – Enlarged Link
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C – Common Link
This standardized configuration ensures proper load distribution and smooth operation throughout the anchoring system.
The description/sizes may be different with goods, please check with us when order.
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