32
INT 3.504.BA6/05.21
EN
DANGER
In exceptional cases (e.g. prior damage
to the separating element in the hydraulic
accumulator), a mixture of nitrogen and
operating fluid may escape (from the bleed
points of the safety equipment) even if the
safety element does not respond.
Appropriate protective equipment must be
installed to prevent personal injury.
3.2 Installation location
Safety equipment should be mounted as close
as possible to the hydraulic accumulator to
minimise the pressure loss up to the valve.
Furthermore, the connecting line to the safety
equipment should be as short and straight as
possible.
Safety equipment discharge ports should not
be sited opposite other valve ports.
Feed lines to safety equipment must be laid in
the direction of flow.
Safety equipment must be protected from
damaging external influences, e.g. weather or
dust, which could impair its function.
The transfer of vibrations to the safety
equipment must be prevented.
Safety equipment must be accessible for
function testing and for maintenance.
3. Commissioning
Safety equipment must not be disabled by
shut-off devices.
Change-over ball valves or blocking devices
can be installed, provided that the design of the
device guarantees that the required bleed point
cross-section is available even during change-
over.
On systems which are equipped with several
independent safety devices, whilst the safety
devices are being tested, the system may only
be operated at a correspondingly reduced
system capacity. None of the safety devices
may be blocked off.
The operating data is permanently marked on
the safety equipment. The marking must be
kept in a legible condition.
NOTICE
In the case of the
GSV
, the lead seal (2) of
the gas safety valve must be checked for
damage before commissioning.
3.1 Installation position
The installation position is optional, taking into
account the direction of flow.
Ensure that the bleed points (3) are clear so
that the nitrogen can escape freely.
The bleed points (3) must be positioned so
that in the event that the safety devices are
deployed, the escaping gas cannot cause injury
to persons.
DANGER
When the safety devices respond, nitrogen
is released into the surrounding area. Large
quantities of nitrogen in enclosed areas cause
a lack of oxygen.
Danger of suffocation.
When using in enclosed areas:
ensure adequate ventilation.
Summary of Contents for GMP
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