HYDAC Standard Accumulator Charging Kit (FPU-2-800 / 1000 F 2.5 G2 A1 K)

The HYDAC charging and testing unit FPU is used to charge accumulators with nitrogen or to check or to change the existing pre-charge pressure in accumulators. For this purpose the charging and testing unit is screwed onto the gas valve of the hydraulic accumulator and connected via a flexible charging hose to a commercial nitrogen bottle. If the nitrogen pressure is only to be checked or reduced, the charging hose does not need to be connected. The unit has a screw-type fitting with a built-in pressure gauge, check valve and a spindle for opening the accumulator gas valve to check the pressure.

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Maximum Pressure – 800 bar

Pressure Gauge Display – 1000 bar

The FPU-2 was designed specifically for high pressure applications. Just like the FPU-1, the FPU-2 can be used for universal applications.It can be screwed onto HYDAC piston and diaphragm accumulators directly to charge and/or to check the accumulator. For use with a bladder accumulator, the high pressure adapter A3H must be used. This is not included in standard delivery


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