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It is specially used in oil field.Self-locking hook can be rotated with 360no matter in loading or unloading.Plastic deformation is not allowed in 2 times of working load.The safety factor of the rotated hook is 3.5.
Technical Parameters of Swivels for Offshore
WLL(t)
A(mm)
B(mm)
C(mm)
D(mm)
WLL of Shackle
WLL of Hook
Weight(kg)
3
88.0
195
420.5
40.0
4.75
3.20
7.00
5
96.0
229
487.8
50.0
6.50
5.40
13.8
8
128
315
628.6
60.0
8.50
8.20
19.6
[order] issuance date:2011/10/13