B - Additional Prescriptions For Atex Machines With Compressed Air Supply, Cat - Nilfisk ATEX Serie Manuel D'instructions

B - Additional prescriptions for ATEX machines with compressed
air supply, Cat II2D - Cat II2G - Cat II 2GD, used in Zone 21, 1 and
The following models are suitable for vacuuming aircraft fuel (Jet
Nilfisk Models:
VHC series compressed air, 3xP
Standards of reference:
These machines comply with EN 1127-1 - EN ISO 80079-36
Standards
CAUTION!
Observe the prescriptions of the above standards
Designed to be used in explosive atmospheres classified as
Zone 21 and 22, in Zone 1 and 2 and in Zones Z 1/21 and Z
2/22 with the simultaneous presence of dust and gas.
Never use the vacuum cleaners in Zone 20 and/or 0.
These vacuum cleaners are designed to vacuum wet and dry
particles when cleaning places and machines, especially in the
foodstuffs, chemical, pharmaceutical and textile industries.
They can also be used to transport dry and wet particles in
process machines, especially in the food, chemical and
pharmaceutical industries.
They are not designed to be used for ST3 explosion class
dust, that is to say dust with value of Kst > 300 bar m/s
(ISO 6184/1 – IFA classification: http://staubex.ifa.dguv.
de/?lang=e), nor dust with an ignition energy lower than
1 mJ. For these applications please refer to paragraph
G - Additional prescriptions for models equipped with
immersion separator.
They are not designed to collect explosives or chemically
unstable substances.
They are not designed to vacuum fluids with a low flash point
(Flash Point lower than 55°C), nor for incendiary substances
(T < 200 °C).
For these models, apart from following the instructions in the
use and maintenance manual of the standard vacuum cleaner,
specific precautions and maintenance are also required.
1/21
Fuel).
Identification plate marking:
For VHC200:
II2GD c IIBT4, T5, T6 T100°C T60°C
for Zone 1 and Zone 21 present simultaneously.
Other models:
II2D Ex h IIIC T 60°C Db
for Zone 21;
II2G Ex h IIB T6 Gb
for Zone 1;
II2GD Ex h IIB T6 Gb -
Ex h IIIC T 60°C Db
for Zone 1 and Zone 21 present simultaneously.
See marking example in paragraph I.
Corrosion can be a real danger. The vacuum unit is made of
aluminium. Do not vacuum gases, vapours and/or fluids that
can corrode this metal.
All the above prescriptions, precautions and service
operations must be observed, or the Nilfisk Warranty for
proper operation of ATEX machine will become void, the
Nilfisk ATEX Declaration of Conformity will no longer be
valid and the User will be entirely responsible for the use
of the vacuum cleaner.
Any maintenance and cleaning must be done with the
vacuum cleaner turned off and with the compressed air
disconnected.
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CAUTION!
ATEX
I
GB
F
D
E
CATEX