Boltight Ltd has redesigned its range of hydraulic bolt tensioners for the wind turbine industry. The new enhanced Typhoon II incorporates a number of features aimed at making the tool even easier to use for blade bolting, bearing to hub bolting, tower bolting, foundation bolting, outer frame bolting and hub to spindle bolting. Building on the strengths of the original Typhoon bolt tensioner, Boltight has improved the internal retraction system and rotational interfaces making the Typhoon II easier to install and remove. Other internal design changes have been introduced to increase the life of the tool and provide greater protection against misuse. New features on the Typhoon II include an internal puller bar hole to allow for easy observation of bolt elongation and stud protrusion. If required, application specific indicator gauges showing 'Good' and 'Bad' stud protrusion can be inserted into the hole. An additional viewing hole has also been incorporated into the easy fit bridge section of the tool so that an operator can check for the engagement of the socket prior to operating the tensioner. All the tools in the new Typhoon II range can be specified with a cycle counter.

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