Charging and testing units
Charging and testing units

Charging and testing units

With the aid of the HYDAC charging and testing unit, bladder, piston and diaphragm accumulators are charged with nitrogen and/or the existing pre-filling pressure is checked and corrected. Thanks to the wide product range of gas-side adapters for the accumulator and the nitrogen bottle, HYDAC makes it possible to charge practically any hydro-accumulator worldwide. An extensive product range of accessories, e.g. hoses, the pressure-reducing valve and also the protective case, can be assembled in accordance with customer preferences to round out the programme.

In the standard model, the FPU-1 comprises:
  • valve body,
  • spindle screw with elastic seal,
  • non-return valve and unloading valve,
  • pressure gauge with display ranges up to 400 bar,
  • charging hose (to DIN EN ISO 4413 and DIN EN 853 - 857) and
  • A3 adapter for bladder accumulators.

The charging and testing unit FPU-2 is designed for pressures up to 800 bar. More information and brochure material regarding our high-pressure version FPU-2 is available in the download section. Our local representatives and the Technical Sales departments will gladly answer any questions you may have.
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