nE
o
e
a
GROUP F
ns
ns
ill
ca
P
qu
Explosive conditions exist under normal
operating conditions
t
T6
A
TZ
*CLASS II
Ext
re
de
ur
a
GROUP G
EXTREME CCTV PRODUCT GUIDE 07/08 | PAGE 8
Acrolein, Butadiene, Ethylene Oxide, Hydrogen,
ns
n
as
ac
TEMPER
F
C
PRODUCT CERTIFICATIONS
Coal Dusts - Carbon Black, Charcoal, Coal, Coke Dusts
D
it
se
te
es
,t
*CLASS III
am
-PRO
h
bec
GROUP C
S III
o
tr
es
ec
ru
an
GROUP
ha
o
Grouped into 7 more specific types of flammability:
y
ri
m
!
lo
n
f
v
dc
a
o
pr
a
rt
oid
le
o
hE
Locations with flammable gas or vapor
ION
tifi
t(
o
T6
er
ny
ri
ee
es
CLASS II*
GROUP E
CLASSIFICATIONS, DIVISIONS, GROUPS, TEMPERATURE RATINGS
m
er
In North America, hazardous environments are
uf
EXPLOSION-PROTECTED
h
gt
ac
eg
*
e's
T6
T6
DIV
w
Divided into 2 operating conditions:
E
GROUP
CLASS I*
tu
GROUP D
Alcohol, Ethyl Alcohol
PR
onic
and
n
OD
sr
cs
o
DIV2
DIV
es
GROUP B
en
W
me
n
t
xt
TIONAR
se
uf
w
u
*CLASS I
t
w
operating conditions
in
ge
rm
C
le
re
r
nl
Y
D
A
e.
NC
g
B
DIV
2
A
TED
RNING
ATEX CERTIFIED
oc
h
Various metal flyings: Aluminum, Magnesium,
xt
re
fy
URE
h
di
DIV 1
Explosive conditions exist under abnormal
ib
GROUP
The Temperature Code defines the maximum surface temperature of the equipment, which must not exceed the auto-ignition
n-
er
n
as
U
ec
Propane, Ethane, Butane, Benzene, Pentane,
ce
ti
T6
io
s)
dec
OS
.I
ed
eu
Acetylene
id
GROUP
xp
ul
es
ac
Various Dusts & Fibres: Alfalfa to Wood Flour
at
ro
m
o
1
C
tu
si
po
lr
Locations with flammable dust
m
ti
o
MOOND
ni
ifi
gs
AT
All of Extreme's explosion-protected products are rated at T6 (85°C | 185°F), the safest temperature rating
Temperature codes:
ot
t
CL
er
temperature of the hazardous environment.
m
AS
ht
EE
TE
th
Titanium, Zinc, Tin + others
G
Ca
GROUP
E
se
T6
cat
di
EX
ol
DIV 2
ni
A
in
era
dh
am
it
ip
GROUP A
Classed by general types of flammable atmospheres:
in
f
eu
da
e's
gf
a
us
ec
T6
Electrical Codes. (In Europe and most other international locations, more thorough IEC standards are recognized.)
ft
X
eu
ili
ct
re
en
th
GROUP
ri
GROUP
Then further defined by 14 temperature codes for Auto-Ignition Temperatures, as defined in the National (and Canadian)
m
re
PL
E
T6
gw
Heptane, Acetone, Methyl, Ethyl, Keytone, Methyl
h
T6
C
.
Propylene Oxide
Locations with flammable fibres or flyings
1
h
man
o
Ethylene, Ethyl Ether, Cyclopropane, Butadience
ions
adh
re
.
,elec
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