2. Construction
The HYDAC FPU is a connection unit for
bladder, piston and membrane accumulators.
The following parts are built on as standard:
– Valve body
– Spindle
– Check valve (FPU‑1 only)
– Release valve
– Pressure gauge
– Charging hose
– Adapter A3 (FPU‑1) / Adapter A3H (FPU‑2)
only for bladder accumulators
2.1 FPU‑1 diagram
G1
N
2
Adapter G
Pressure reducing valve
FPU‑1
Charging hose
Adapter A
Nitrogen bottle
Hydraulic accumulator
Fluid connection
M
N
2
2.2 FPU‑2 diagram
FPU‑2
Charging hose
Adapter A3H
Nitrogen supply
(pressure boost system)
Hydraulic accumulator (high pressure)
Fluid connection
3. Transport and storage
Transport
The FPU can be transported without special
precautions. Damage must be avoided.
NOTICE
A damaged FPU must never be put into
operation.
Storage
The FPU can be stored in any position.
The FPU must be kept in a cool, dry place,
protected from direct sunlight.
This can be in its packaging or in a protective
case (if included with delivery).
EN
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