Two stage Bolt Tensioners

Two stage Bolt Tensioners

– Max working pressure: 1500 bar

-Specially designed for wind generator set -Two-stage cylinder design with smaller outside diameter

Two-stage cylinder design increases the tensioning length made of special high

Strength steel, rust-proof and corrosion resistant surface treatment.

Smaller outside diameter permits use in narrow space, spring return and

Over travel protection suits frequent operation ,

Operated by ultra-high pressure hand pump or electric pump