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2.6
ATEX safety instructions
Ex Hexagon – ATEX Directive 2014/34/EU
In this manual the Ex hexagon is next to the main safety
instructions concerning the risk of explosion.
All staff involved in the installation, use and maintenance
of the appliance and its components should receive technical
training for the tasks to be carried out, particularly for
working in areas with a potentially explosive atmosphere.
Any changes made to this appliance may invalidate its safety
features. Always follow the manufacturer’s instructions.
The appliance with II 1/3 D Ex htc IIIC T140°C Da/Dc marking
may contain a ZONE 20 inside and can be used in ZONE 22
The appliance with II 1/2 D Ex h tb IIIC T140°C Da/Db marking
may contain a ZONE 20 inside and can be used in ZONE 21 and
ZONE 22
The zones are defined as follows.
ZONE 20: area in which an explosive atmosphere in the form of
a cloud of combustible dust in air is present continuously or
for long periods or frequently for short periods.
ZONE 21: area in which an explosive atmosphere in the form of
a cloud of combustible dust in air is likely to occur
occasionally in normal operation.
ZONE 22: area in which an explosive atmosphere in the form of
a cloud of combustible dust in air is not likely to occur in
normal operation but, if it does occur, will persist for a
short period only.
It is forbidden to use the appliance in areas classified as
ZONE 0, 1 or 2 due to the presence of gas.
The appliance is only suitable for working with dusts that
have no source of ignition.
Combustible dusts with the following characteristics can be
handled:
Self-ignition temperature in cloud
(MIT)
°C
> 215
Self-ignition temperature in layer
(LIT)
°C
> 215
Minimum ignition energy (MIE)
at all operating temperatures
mJ
≥ 3
Do not use the vacuum cleaner to remove chemically unstable
dust
Summary of Contents for ATEX PUMA 10 Z21
Page 1: ...INSTRUCTION AND MAINTENANCE MANUAL PUMA SERIES ORIGINAL INSTRUCTIONS ...
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