Explanation of the pump’s ATEX labelling Sigma/ 2
Gc
normal EPL
use possible in zone 2
- refer to your explosion protection document
Suffix X
X
Special conditions - refer to the Declarations of Conformity
and EC-type examination certificates
WARNING!
Example of EX-designation: Where may I use the ATEX
version of the Sigma/ 2?
The pump designation is:
" ... II 3G Ex h IIB T4 Gc".
The pump label corresponds to “Unit group” II: the pump
may only be used in overground production systems,
which are not at risk from firedamp.
The inserted pump label "3G Ex h" does not need to be
discussed here.
The additional pump label in the example states “Explo‐
sion group” IIB and “Temperature class” T4:
The
Tab. 2 ‘Example of the division of gases into
explosion groups and temperature classes’ on page 23
is shown as an example: the pump can be used for ethyl
ether or a comparable gas - refer to the material safety
data sheet for the gas or your explosion protection docu‐
ment.
The pump in the example could also be suitable for
gases that require only “Explosion group” IIA and “Tem‐
perature class” T3, T2 or T1 - but not for T5 and T6.
"EPL" Gc is shown in the next example: Use only in
zone 2 – but not in zone 1 or zone 0.
Tab. 2: Example of the division of gases into explosion groups and temperature classes
T6
85 °C
T5
100 °C
T4
135 °C
T3
200 °C
T2
300 °C
T1
450 °C
IIC
Carbon disulphide
-
Trichlorosilane
-
Ethyne
Hydrogen
IIB
-
-
Ethyl ether
-
Ethene
Mains gas (coal gas)
IIA
-
-
Acetaldehyde
Benzine,
Diesel fuel,
Aircraft fuel,
Heating oils,
n-hexane
Ethanol,
n-butane,
n-butyl alcohol
Acetone,
Ammonia,
Benzene (pure),
Acetic acid,
Ethane,
Ethyl acetate,
Carbon oxide,
Methanol,
Propane,
Toluene
Safety chapter
23
Содержание Sigma / 2 Basic S2Ba
Страница 87: ...87...