The House of Torque and Bolt Tensioning Devices®

Electric screwdrivers ⋅ Pneumatic screwdrivers ⋅ Hydraulic screwdrivers
Hydraulic pumps ⋅ Industrial hydraulics ⋅ Hydraulic clamping

Spring-loaded sealing systems

Spring-loaded sealing systems for flanges

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For maintaining the sealing pressure during start-up and shut-down operations as well as during changes in pressure and/or temperature.

Actuation of additional elastic elements from tension equalization.

Equipping of heat exchangers and pipeline flanges, steam boilers and manholes



Spring-loaded sealing systems for packings

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For maintaining the sealing pressure of stuffing-box packings

Sealing of valves in accordance with "TA Luft" (Technical Instructions on Air Quality Control) or as live loading applications

Rotating live loading for slowly moving shafts

Sealing systems for soot blowers



Engineering services

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Design calculation of sealing connections, strength tests for flanges

Preparation of design review documents

Preparation of drawings and documentation