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Standards: DNV-ST-E271, DNV-ST-E273, BSEN ISO 10855-2, EN1677-4, ASME B30.26, API-2CCU-2017.08, AS3776:2015
The HA master link OS+ is a fundamental component used in a wide range of lifting and rigging applications. It is typically used in wire rope, chain and synthetic sling assemblies, acting as the connection point between the sling legs below and lifting machine above. More specifically, having received DNV type approval, our HA master link OS+ range is recognised and specified globally by operators, contractors and rigging shops for use in offshore rigging and DNV 2.7-1 container lifting sets. Manufactured from grade 8 triple alloy steel, the HA master link OS+ range is specially engineered for use in harsh offshore environments.
| WLL Range: | 4.1t to 250.0t |
| Proof Load Test: | 2.5 x WLL (<75mm) 2.0 x WLL (>90mm) |
| Safety Factor: | 5 : 1 |
| Temp Range: | -40°C to +200°C |
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DNV type approved: certified by DNV pursuant to Type Approval No. TAS00003J2 Rev. 1 and Type Approval No. TAS 0000337 Rev. 3 in accordance with DNV-ST-E271, DNV-ST-E273, BSEN ISO 10855-2, EN1677-4, ASME B30.26 and API-2CCU-2017-08.
Additional standards: in addition to the standards covered by the DNV type approvals above, this product is designed and manufactured in accordance with AS3776:2015.
Product sizes: available in diameters from 16mm to 120mm and working load limits from 4.1 tonnes to 250.0 tonnes.
Temperature: operational temperature range of - 40°C to + 200°C without reduction in working load limit.
Material & hardness: manufactured from grade 8 triple alloy steel, with a hardness range of 34 to 36 HRC.
Average impact energy (Charpy): 42 Joules minimum impact resistance at - 40°C (up to 50mm diameter sizes).
Testing: individually proof load tested to 2.5 times working load limit (for sizes 16mm to 75mm) and 2 times working load limit (for sizes 90mm and 120mm), and 100% MPI tested.
Embossing: includes product description (i.e., "HA16ML 8 OS+") and batch number.
Safety factor: 5 : 1.
| Part Code | Description | A mm | B mm | C mm | WLL tonnes | MPF kN | MBL kN | Mass kg | |
| 330.160+ | HA16ML OS+ | 16.0 | 150.0 | 75.0 | 4.1 | 101 | 201 | 0.68 | |
| 330.22S+ | HA22MLS OS+ | 22.0 | 162.0 | 90.0 | 11.0 | 270 | 540 | 1.47 | |
| 330.220+ | HA22ML OS+ | 22.0 | 270.0 | 140.0 | 7.0 | 172 | 343 | 2.28 | |
| 330.250+ | HA25ML OS+ | 25.5 | 270.0 | 140.0 | 9.3 | 229 | 456 | 3.11 | |
| 330.28S+ | HA28MLS OS+ | 28.0 | 200.0 | 110.0 | 19.5 | 479 | 956 | 2.95 | |
| 330.280+ | HA28ML OS+ | 28.0 | 270.0 | 140.0 | 14.5 | 356 | 711 | 3.78 | |
| 330.320+ | HA32ML OS+ | 32.0 | 270.0 | 140.0 | 19.0 | 466 | 932 | 5.02 | |
| 330.360+ | HA36ML OS+ | 36.0 | 270.0 | 140.0 | 26.0 | 638 | 1275 | 6.46 | |
| 330.400+ | HA40ML OS+ | 40.0 | 280.0 | 155.0 | 30.5 | 749 | 1496 | 8.46 | |
| 330.450+ | HA45ML OS+ | 45.0 | 320.0 | 175.0 | 40.0 | 981 | 1962 | 12.18 | |
| 330.500+ | HA50ML OS+ | 50.0 | 350.0 | 195.0 | 51.0 | 1251 | 2502 | 16.54 | |
| 330.650+ | HA65ML OS+ | 65.0 | 410.0 | 220.0 | 75.0 | 1840 | 3679 | 33.02 | |
| 330.750+ | HA75ML OS+ | 75.0 | 450.0 | 250.0 | 100.0 | 2453 | 4905 | 48.98 | |
| 330.900 | HA90ML | 90.0 | 510.0 | 300.0 | 150.0 | 2943 | 7360 | 98.00 | |
| 330.1200 | HA120ML | 120.0 | 610.0 | 410.0 | 250.0 | 4905 | 12260 | 194.00 |
| Part Code | Description | A inch | B inch | C inch | WLL lbs | MPF lbs | MBL lbs | Mass lbs | |
| 330.160+ | HA16ML OS+ | 5/8 | 6 | 3 | 9038 | 22705 | 45186 | 1.50 | |
| 330.22S+ | HA22MLS OS+ | 7/8 | 6-1/2 | 3-5/8 | 24250 | 60698 | 121396 | 3.24 | |
| 330.220+ | HA22ML OS+ | 7/8 | 10-3/4 | 5-5/8 | 15432 | 38667 | 77109 | 5.03 | |
| 330.250+ | HA25ML OS+ | 1 | 10-3/4 | 5-5/8 | 20503 | 51481 | 102512 | 6.86 | |
| 330.28S+ | HA28MLS OS+ | 1-1/8 | 8 | 4-3/8 | 42990 | 107683 | 214916 | 6.50 | |
| 330.280+ | HA28ML OS+ | 1-1/8 | 10-3/4 | 5-5/8 | 31967 | 80031 | 159838 | 8.33 | |
| 330.320+ | HA32ML OS+ | 1-1/4 | 10-3/4 | 5-5/8 | 41887 | 104760 | 209521 | 11.07 | |
| 330.360+ | HA36ML OS+ | 1-7/16 | 10-3/4 | 5-5/8 | 57320 | 143427 | 286630 | 14.29 | |
| 330.400+ | HA40ML OS+ | 1-9/16 | 11 | 6 | 67240 | 168381 | 336313 | 18.65 | |
| 330.450+ | HA45ML OS+ | 1-3/4 | 12-3/4 | 7 | 88184 | 220537 | 441074 | 26.85 | |
| 330.500+ | HA50ML OS+ | 2 | 14 | 7-3/4 | 112436 | 281235 | 562470 | 36.46 | |
| 330.650+ | HA65ML OS+ | 2-9/16 | 16-1/8 | 8-5/8 | 165347 | 413647 | 827070 | 72.80 | |
| 330.750+ | HA75ML OS+ | 3 | 18 | 10 | 220462 | 551455 | 1102685 | 108.00 | |
| 330.900 | HA90ML | 3-5/8 | 21 | 12-1/2 | 330693 | 661611 | 1654590 | 216.05 | |
| 330.1200 | HA120ML | 4-3/4 | 24 | 16-3/8 | 551156 | 1102685 | 2756157 | 427.69 |
Looking for a quote? Get in touch with our sales team on 01665 604200 or complete the form. Interested in being a distributor? Get in touch with our sales team on 01665 604200 or complete the form