2.7.2 Dangers during functional
checks, commissioning and
operation
DANGER
Bursting parts!
Escaping media!
There is danger to life if the maximum per-
missible pressure and temperature ranges
of the valve are insufficient for the operat-
ing conditions of the system. There is a
risk of injury and the risk of material dam-
age by wrongly selected materials.
In addition, there is a risk of damage to
the piping system.
•
Only use the valves that are designed
for the operating conditions.
•
Make sure that the selected materi-
als of the parts of the valve coming in
contact with the medium are suitable
for the media used.
DANGER
Escaping medium!
There is a risk of death
from escaping medium
as a result of leaks (scalding,
hazardous substances).
•
Protect yourself from thermal or
chemical burns.
•
Leave the danger area in case of leak-
age and keep third persons out of the
danger zone. Use appropriate barriers
or name supervisors.
WARNING
Danger of being pulled in,
danger of crushing and
locking!
Danger due to moving parts of the ma-
chine/valve which can be accessed
through assembly, disassembly, remov-
able covers at openings for functional
checks, sampling, etc. and through auto-
matically operated valves.
•
Keep hands and fingers away when
compressed air or power is connect-
ed.
•
Please note that single-acting rotary
actuators can move the valve to the
"open" or "closed" position when
closing or disconnecting the com-
pressed air supply (only for pneumatic
actuator).
•
Perform works carefully when com-
missioning, making functional checks
and sampling.
WARNING
Risk of burns!
Devices and system components
can become very hot during op-
eration.
•
Wear protective gloves and protective
clothing to protect against burns.
•
At operating temperatures > 65°C a
short contact (approx. 1s) of the skin
with the surface of the machine/valve
may cause burns (DIN EN ISO 13732-
1).
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