Publicidad
Idiomas disponibles
Idiomas disponibles
Explosion protection
Equipment
protection
level
Ga
Gb
Gc
Designation
Internal atmosphere only
22
4.3.6 Equipment protection level for gas
The equipment protection level describes the frequency and
the duration of the occurrence of explosive atmospheres in an
area.
Description*
Devices with very high protection level for
use in potentially explosive atmospheres.
With these devices, there is no risk of igni-
tion during normal operation or in the event
of foreseeable or infrequent faults/malfunc-
tions.
Devices with high protection level for use in
potentially explosive atmospheres in which
there is no risk of ignition during normal op-
eration or in the event of foreseeable or in-
frequent faults/malfunctions.
Device with increased protection level for
use in potentially explosive atmospheres.
There is no risk of ignition during normal op-
eration. The devices have a number of addi-
tional protection measures which ensure
that, in the event of commonly foreseeable
faults in the device, no danger of ignition ex-
ists.
Tab.10: *According to ISO 80079-36
4.3.7 Special operating conditions
Additional conditions for the devices:
§
Do not set up the device outdoors. Commissioning may
only be performed with suitable weather- and corrosion-
protection paneling.
§
Do not set up the device in potentially explosive atmos-
pheres. It is only suitable for the transfer of explosive at-
mosphere corresponding to its designation (see type
plate).
Translation of Original Operating Instruction, KNF 317428-317425 02/23
Chemically-resistant Laboratory pump N820.18 / N840.18
Description
Special operating conditions
Constructional
safety
Very high
High
Increased
Publicidad
