Enerpac Hydraulics

Enerpac Develops Self-Erecting Workshop for Turbine Rotor Maintenance

SEFH during assembly

Menomonee Falls, WI—March 27, 2018—Enerpac, an international market leader in high-pressure hydraulics, has developed a Self-Erecting Facility Hall (SEFH) for power generation plants that lack an on-site workshop and for manufacturing sites needing additional capacity. The hydraulically actuated, 12.7m high SEFH features a heavy lift strand jack and auxiliary hoist and is ideal for locations inaccessible to large cranes.

SEFH with turbine

Many power generation plants in Africa and the Middle East lack the on-site maintenance facilities needed to handle servicing of 12m long, 3m diameter turbine rotors which can weigh up to 70T. In addition, space restrictions close to the turbine hall often rule out access for large cranes needed to lift the rotor for inspection and replacement of worn rotor blades.

The Enerpac SEFH is designed to offer plant operators and contractors a temporary facility to conduct essential maintenance on turbine rotors. Modular in construction, the SEFH can be readily assembled on-site and contains a strand jack for lifting and up-ending the rotor, as well as a 10T overhead crane for changing the rotor blades and lifting ancillaries.

Smooth, Integrated Assembly

SEFH for turbine maintanance

The SEFH is quite a large structure measuring 30m long x 21.7m wide and weighing 130T yet still ships in 19 standard shipping containers.  The building consists of six side units that are bolted together in two blocks of three.  A small crane is used to assemble the side units, two mobile cross beams for the strand jack and auxiliary crane respectively as well as the covered roof assembly.  During assembly, both side walls are raised simultaneously using the side units’ integral hydraulic jacks and the side wall curtains are added to provide a clean and weather protected work area.

The strand jack and auxiliary crane are mounted on rails allowing free movement along the entire length of the SEFH. When deployed at a power plant, the turbine rotor is brought into the SEFH, up-ended by the strand jack crane to 90 degrees, and then suspended for inspection and blade replacement.

“The Enerpac SEFH combines a heavy lift capability with a covered temporary work environment for applications, where crane access is impractical,” says Mart Hinnen, Enerpac Heavy Lifting Technology. “It has performed well and is proving to be a valuable addition to the rotor service options for many gas power plants.”

For more information on Enerpac’s Heavy Lifting Technology, visit www.enerpac.com.

About Enerpac
Enerpac is an international market leader in high-pressure hydraulics, with 28 offices in 22 different countries and over 1,000 employees. Enerpac produces thousands of high-pressure hydraulic products that are distributed worldwide. Enerpac focuses on the design of products, from the smallest cylinder to complete electro-hydraulic lifting & positioning systems, which increase productivity and make work safer and easier to perform. 

About Actuant
Enerpac is wholly owned by Actuant Corporation, a diversified industrial company serving customers from operations in more than 30 countries and is headquartered in Menomonee Falls, Wisconsin. Actuant trades on the NYSE under the symbol ATU. For further information on Actuant and its businesses, visit the company’s website at www.actuant.com.


North and South America: Roberta Moring, Marketing Communications Leader – Americas roberta.moring@enerpac.com Phone 262-293-1655

Europe, Middle East, Africa, India: Maarten Franken, Global Marketing Communications Leader maarten.franken@enerpac.com Phone 31 318 53 5911