For wind base and foundation bolts, the tensioner is suitable for most common threadforms.
Boltight’s range of foundation bolt tensioners have been specifically designed for wind turbine base and foundation bolts. They meet the exacting requirements of the wind industry, while remaining reliable and easy to use.
Boltight tensioners are kept in stock for the most common wind turbine applications.
Common to many bolt sizes
Economy (customer nut) and split nut types also available
Spring return, gearbox, positive stop etc. are available as options
Optional single or twin connectors
Optional cycle counter
Long life composite seals
Comprehensive operating manual
Over-stroke prevention device
Maximum stroke indicator
Easy to use
Durable and reliable design
Gear driven nut run-down
Extra durable gearbox
Optimized size and weight
Testing & Certifications
Boltight is LRQA certified for quality and environmental assurance to ISO 9001: 2015. All tools are assembled, filled with oil and pressure tested prior to dispatch.