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STS Metric Range

The STS metric bolt tensioner range is designed for topside operation in a wide variety of applications including pipeline flanges, heat exchangers, pressure vessels, compressor covers, boiler feed pumps, anchor bolts and many others. The range comprises of 32 metric size options ranging from M16 to M100 thread size and all models are suitable for working pressures up to 21750 psi. Each model of hydraulic tensioning cylinder within the tensioner range can be operated with a variety of threaded pullers and nut rotating sockets ensuring that the maximum possible range of bolt sizes can be accommodated using the minimum number of hydraulic cylinders. Threaded pullers and nut rotating sockets are available as individual components.

All Hi-Force hydraulic bolt tensioners are designed and manufactured to include a wear coated piston, maximum piston stroke indicator, self-energizing high pressure seals, dual quick connect couplings for easy multiple tensioner connection and a user friendly operation and maintenance procedure.

  • Capacities from 26 to 298 tons

  • Bolt sizes from M16 to M100

  • Working pressure 21750 psi

  • Single acting design with manual piston retraction

  • High grade alloy steel construction

  • Nitrocarburized piston

  • Maximum piston stroke indicator

  • Dual quick connect couplings for easy connection

  • Designed to fit most sizes of ANSI and API flanges and some Compact flanges

  • Interchangeable accessories to cover multiple stud bolt sizes using same tensioner

  • Customized and special design tensioners are available on request

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STS Metric Bolt Tensioner  Specifications      
                   

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