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Safety chapter
Special conditions with "X"
2.8 Explanation of the ATEX label
Explanation of the pump's ATEX labelling Sigma S1Ba
Unit group
II
No mines or associated underground systems, which can be endangered by firedamp - Unit for use in
other areas at risk from explosion
Other parameters
3G Ex h
20
1.
Select a suitable motor - the motor must correspond to the data for
one of the motors from the "Motor data" table - see "Technical data"
chapter.
2.
Have technical personnel fit the motor correctly on the flange.
Observe the coupling operating instructions!
With a claw coupling: Fix the claw on the motor shaft at the correct
height – see corresponding figure and table.
3.
Attach the documentation / operating instructions for the motor with
the documentation for the pump.
If there is an "X" at the end of the ATEX specification of an assembly in a
"Declaration of Conformity for ATEX machines" or a "Declaration of Incor‐
poration for ATEX machines", then special conditions apply for the safe
operation of the equipment in areas at risk from explosion.
Please refer in this respect to the operating instructions, design test certifi‐
cates and other documentation for the bought-in parts!
in accordance with Directive 2014/34/EU and standards EN ISO
80079-36, -37
(Example)
Explosion group
IIC
for explosion group IIC gas
- refer to your explosion protection document
IIB
for explosion group IIB gas
- refer to your explosion protection document
Temperature class
T3
for Temperature class T3 gas
- refer to your explosion protection document
T4
for Temperature class T4 gas
- refer to your explosion protection document
Equipment protection level (EPL)
Gb
high EPL
use possible in zones 1 and 2
- refer to your explosion protection document
Gc
normal EPL
use possible in zone 2
- refer to your explosion protection document
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