Definition(s)

Hook Block

Block with a hook attached used in lifting service. It may have a single sheave for double or triple line or multiple sheaves for four or more parts of line.

Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Sixth Edition, May 2007. Global Standards

 

Hook Block

Block with a hook attached used in lifting service.

NOTE A hook block can have a single sheave for double or triple line or multiple sheaves for four or more parts of line.

Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Seventh Edition, December 2014. Global Standards

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