AF Pump and Valves is an experts in the design and manufacture of hydraulic tensioners. All our designs are built to exacting safety standards.

Key features and benefits
  Strong and robust designs ensure durability and long operating life
  Lightweight designs ensure the tools are easy to work with
  Precise engineering offers smooth, trouble free operation
  Composite material seals for easy piston retraction
  Equipment working at pressures above 1000 bar is CE marked
  Compliance with the European Pressure Equipment Directive

Hydraulic bolt tensioners for every application
  Standard bolt tensioners
  Spring return bolt tensioners
  Xtra load bolt tensioners
  Subsea bolt tensioners
  Typhoon multi-stage bolt tensioners
  Foundation bolt tensioners
  MST flange tensioners
  Bolt tensioners for gas turbine rotors
  Bolt tensioners for gas turbine casings
  Hydraulic closure system for steam turbines

If an existing hydraulic tensioner cannot be modified to meet your specification, AF Pump and Valves can design and manufacture special tools. These can be supplied to fit any size of bolt and deliver any load requirement.

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