BOS-DNV 2.7-1 Offshore transition link

Standard transition links are mostly too narrow for wire rope slings, meaning that wire rope thimbles don‘t have sufficient space and/or room.

Transition link for offshore container lifting purposes in welded chain slings. Particularly suited for wire rope slings, due to the inner width to give space for wire rope thimbles.

Connection link for individual chain legs and transition link in IV-leg master link assemblies VOS-DNV 2.7-1.

Type approved in accordance with DNV 2.7-1.
Type approval certificate no. S-8254.


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Specification table

BOS-DNV 2.7-1 Offshore transition link Code / Type Test force
[lbf]
Breaking force 1:5
[lbf]
d
[inch]
t
[inch]
w
[inch]
weight
[lbs/pc.]
Measurement Image BOS 17 27,876 55,753 0.67 5.51 3.15 1.65
BOS 19 37,093 73,962 0.75 5.31 2.95 2.05
BOS 23 60,249 120,722 0.91 7.09 3.94 3.92
BOS 27 71,264 142,304 1.06 7.09 3.94 5.53
BOS 30 102,288 204,801 1.18 7.48 4.33 7.32
Stated working load limit applies at safety factor 4 and 5.