Grade 80 US Type Master Link Assembly with Sub Links for Chain Sling
Our G80 US Type Master Link Assemblies are high-strength collector rings specifically engineered for the construction of 3-leg and 4-leg chain or wire rope slings. Designed to meet the rigorous safety standards of the North American market, each assembly features a primary oblong master link paired with two sub-links to ensure optimal load distribution and prevent bunching at the connection point.
Technical Specifications
| G80 CHAIN SIZE | WLL | WLL | DIMENSION(mm) | |||||
| (in) | 3 OR 4 LEGS | ROPE(T) | A | B | D | a | b | d |
| 1/4 | 3.15 | 5.6 | 140 | 70 | 20 | 85 | 40 | 14 |
| 5/16 | 4.25 | |||||||
| 5/16 | 4.25 | 6.9 | 160 | 95 | 22 | 85 | 40 | 14 |
| 3/8 | 6.7 | |||||||
| 3/8 | 6.7 | 11.8 | 178 | 89 | 25 | 100 | 60 | 18 |
| 1/2 | 11.2 | 17.7 | 222 | 110 | 32 | 100 | 60 | 22 |
| 5/8 | 17 | |||||||
| 5/8 | 17 | 27.7 | 267 | 135 | 38 | 180 | 100 | 30 |
| 3/4 | 23.6 | |||||||
| 3/4 | 23.6 | 38.5 | 305 | 152 | 45 | 180 | 100 | 32 |
| 7/8 | 31.5 | |||||||
| 7/8 | 31.5 | 46.5 | 356 | 178 | 50 | 180 | 100 | 38 |
| 1 | 45 | 72.6 | 406 | 203 | 64 | 355 | 178 | 51 |
| 1-1/4 | 67 | 98.4 | 406 | 214 | 70 | 406 | 203 | 57 |
Applications
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Multi-Leg Chain Slings: Specifically designed as the head-link for 3-leg and 4-leg Grade 80 chain sling assemblies.
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Offshore Rigging: Used in demanding marine and oilfield environments where a 5:1 safety factor is mandatory.
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Heavy Construction: Lifting large pre-cast concrete sections, steel structures, and heavy machinery.
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