Offshore Products DNV Type Approval TAS00002DV
The working load limit of DNV-ST-E271 compliant chain slings that are used with DNV-ST-E271 containers are adjusted using the enhancement factors detailed below to give the maximum gross weight of the container to be lifted.
William Hackett are the first to be approved by DNV for the design and supply of DNV Grade 8 mechanically assembled chain slings into the harsh offshore environment worldwide. DNV Grade 8 mechanically assembled chain slings can be supplied against bespoke designs from stock in the UK in both 2 leg and 4 leg configurations in sizes 13mm - 20mm up to a container mass gross weight of 25 tonnes. DNV Grade 8 mechanically assembled chain slings are:
| Description | Angle | Maximum WLL t |
Enhancement Factor |
Container MGW kg |
| 13mm x 2 leg Set (2 x 2 leg) | 30° | 13.76 | 1.586 | 8,700 |
| 13mm x 2 leg Set (2 x 2 leg) | 45° | 11.26 | 1.732 | 6,500 |
| 16mm x 2 leg Set (2 x 2 leg) | 30° | 20.78 | 1.230 | 16,900 |
| 16mm x 2 leg Set (2 x 2 leg) | 45° | 16.95 | 1.413 | 12,000 |
| 20mm x 2 leg Set (2 x 2 leg) | 30° | 27.59 | 1.104 | 25,000 |
| 20mm x 2 leg Set (2 x 2 leg) | 45° | 25.45 | 1.114 | 22,600 |
| 13mm x 4 leg | 30° | 13.76 | 1.586 | 8,700 |
| 13mm x 4 leg | 45° | 11.26 | 1.732 | 6,500 |
| 16mm x 4 leg | 30° | 20.78 | 1.230 | 16,900 |
| 16mm x 4 leg | 45° | 16.95 | 1.413 | 12,000 |
| 20mm x 4 leg | 30° | 27.59 | 1.104 | 25,000 |
| 20mm x 4 leg | 45° | 25.45 | 1.114 | 22,600 |
William Hackett Lifting Products Ltd - Alnwick
01665 604200
liftingsales@williamhackett.co.uk
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William Hackett Chain Products Ltd - Cradley
01384 569431
chainsales@williamhackett.co.uk
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