Wright Flow Technologies Revolution R0150X - ATEX Identification Plate; Equipment Groups & Categories

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2.5.2 ATEX Identification Plate.
2.5.3 Equipment Groups & Categories.
Equipment-groups (Annex I of the EC-Directive 94/9/EC)
Group I
(mines, mine gas and dust)
Group II
(other explosive atmospheres gas/dust)
Category M
Category 1
Category 2
Category 3
1
2
G
(gas)
(Zone 0)
D
(dust)
(Zone
20)
G
(gas)
(Zone 1)
D
(dust)
(Zone
21)
G
(gas)
(Zone 2)
D
(dust)
(Zone
22)
for equipment
providing a
very
high level of
protection
when
endangered by
an explosive
atmosphere
for equipment
providing a
high level of
protection
when likely to
be endangered
by an
explosive
atmosphere
for equipment
providing
a very high level of
protection when used
in
areas where an
explosive
atmosphere is very
likely to occur
for equipment
providing
a high level of
protection
when used in areas
where an explosive
atmosphere is likely
to occur
for equipment
providing
a normal level of
protection when used
in
areas where an
explosive
atmosphere is
less likely to occur
Category
Temperature Class.
Zone
Group