52
September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
Gas-Hydraulic Tanks
Section 8: Gas-Hydraulic Tanks
Section 8: Gas-Hydraulic Tanks
8.1
Installation, User and Maintenance Manual
1.
The tank is supplied internally painted on specific demand of the customer and of
the manufacturer of the oil-pneumatic driven actuator on which it will be installed.
The tank is supplied as per project drawing, without any accessory, as for example:
filters, valves, safety valves, gaskets, circulating fluids, etc.
2.
After the tank is tested and marked CE, it is forbidden for anyone to make any
modification or any variation to the manufacturing features that may alter in some
way its safety requirements.
3.
If provided for, any inspection openings placed on the tank coat, will be closed
with ASTM A105 threaded forged steel plugs adequately sealed before the final
hydraulic test. These plugs will be removed only to allow any internal inspections
of the tank scheduled every 10 years as of the date of first installation. Openings
will be closed again with the same mode as provided for by the first paragraph
of Section 1.3.
4.
The transportation of tanks marked CE from manufacturer to user, is made in
lots of around 5/100 parts according to their capacity, they will be transported
with palletized metallic containers paying attention to avoiding shocks that may
damage the nozzles and any threaded supports as well as the structural parts of
the tank.
5.
The user shall check that internal paint is not damaged, and in case renovate it
according to the specification supplied.
6.
The threads of nozzles and of any threaded supports will be protected for
transportation and for the next phase of external sandblasting for painting
preparation, with adequate PVC plastic plugs easy to remove and recycle after use.
7.
It is forbidden to expose the tanks to heat sources > 100 °C if there is no adequate
protective coating.
8.
Specialized firms in compliance with the regulations in force should dispose
of the tank.
Figure 42
Technical data
Supply fluid
Natural gas / nitrogen / air
Operating temperature
from -29 °C to +100 °C
Maximum supply
pressure
100 bar
