Universal Charging and Testing Unit - FPU and Accessories

From A$ 134.90

The HYDAC charging and testing unit FPU help to charge accumulators with nitrogen. They are also useful for checking or changing the existing pre-charge pressure in accumulators.

Therefore, for this purpose, we screw the charging and testing unit onto the gas valve of the hydraulic accumulator. Then, we connect them via a hose to a commercial nitrogen bottle. If the nitrogen pressure is only to be checked or reduced, there is no need to connect the charging hose. Moreover, the unit has a screw-type fitting with a built-in gauge, check valve and a spindle for opening the accumulator gas valve to control the pressure.

What's more, HYDAC piston and diaphragm accumulators can be charged and checked without the need for adapters. Bladder accumulators, however, require an A3 adapter.

 

 


Charging Kit


Part number: 3200399
Description: FPU-1-250-F 2.5/G12-A3-K CHARGE KIT

Contain:

  • Plastic case with inlay.
  • FPU-1 charge head.
  • Charge hose 345 bar rating, 2.5m long.
  • A3 Adaptor, to suit piston and diaphragm accumulators.
  • 63mm gauge, rated to 250 bar.
  • 1/4" BSP male / male nipple.
  • 3/4" BSPP gas bottle adaptor as follows...
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FAQs

  • What is HYDAC’s universal charging and testing unit used for?

    It is used to charge bladder, piston and diaphragm accumulators with nitrogen or to check or change the existing pre-charge pressure in accumulators.

    What steps must be taken before HYDAC’s universal charging and testing unit can be used on accumulators?

    The unit has to be screwed onto a hydraulic accumulator gas valve and then connected via a hose to a pressure regulator (not supplied), which is then connected to the nitrogen bottle. 

    Is there still a requirement to connect HYDAC’s universal charging and testing unit’s charging hose if the nitrogen pressure inside the accumulator must be checked or reduced?

    No, in that case there is no need to connect the charging hose.

    How can an accumulator gas valve be opened to control pressure?

    The unit has a screw-type fitting with a built-in gauge, check valve and spindle for opening the accumulator’s gas valve to control pressure.

    Are adapters required to charge and check accumulators?

    HYDAC piston and diaphragm accumulators can be charged and checked without the need for adapters. However, bladder accumulators require an A3 adapter, which is included in HYDAC’s scope of delivery.