Hydac Accumulator Charging and Testing Units
The HYDAC Accumulator Charging and Testing Units (FPU-1 series) are essential tools for charging hydraulic accumulators with nitrogen and monitoring or adjusting pre-charge pressure. Suitable for bladder, piston, and diaphragm accumulators, each unit includes a valve body, spindle, check and release valves, pressure gauge, charging hose, and A3 adapter. High-pressure variants—FPS 600, FPK 600, and FPH 800—support pre-charge pressures up to 800 bar, providing reliable performance across a wide range of accumulator types and applications.
Special high pressure models are also available:
- FPS 600
- FPK 600
- FPH 800
HYDAC Accumulator Charging and Testing Units
The HYDAC charging and testing unit FPU-1 is used to charge accumulators with nitrogen or to check or to change the existing pre-charge pressure in accumulators.
The HYDAC charging and testing unit for bladder, piston and diaphragm accumulators consists of:
- Valve body
- Spindle
- Check valve
- Release valve
- Pressure gauge
- Charging hose
- A3 adapter for bladder accumulators
Special high pressure models are also available:
- FPS 600:
for bladder accumulators up to 600 bar max. pre-charge pressure - FPK 600:
for piston, diaphragm and SB800-1.5 accumulators up to 600 bar max. pre-charge pressure - FPH 800:
for high pressure bladder accumulators up to 800 bar max. pre-charge pressure
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