SIEMENS
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Siemens MD 31.1 · 2016
Options for operation
Explosion protection as per ATEX
9
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Overview
Explosion protection as per ATEX
Directive 94/9/EC of March 23, 1994 shall be replaced on April
20, 2016 by Directive 2014/34/EU of the European Parliament
and the Council of February 26, 2014 on the harmonization of the
laws of the Member States relating to equipment and protective
systems intended for use in potentially explosive atmospheres.
The following applies to the products described in this catalog
that are intended for use in potentially explosive atmospheres:
•
Products that are placed on the market before
April 20, 2016
will conform to the requirements of Directive 94/9/EC.
•
Products that are placed on the market on or after
April 20,
2016 will conform to the requirements of Directive 2014/34/EC.
FLENDER SIP planetary gear units are not suitable for use
in hybrid mixtures.
Position
in code
Designation
Variance
SIP standard
Note
1
Equipment group
CE EX II
Device group II
2
Zone
2G
1)
(gases, vapors and mist)
Zone 1
2D
1)
(dust)
Zone 21
3G
2)
(gases, vapors and mist)
Zone 2
3D
2)
(dust)
Zone 22
3
Explosion subgroup
II B
II B (includes II A)
Omitted for dust
II C
4
Temperature class
T4
T4 (includes T3, T2, T1)
5
D 120 °C
120 °C or higher
6
Type of protection
b Ignition source monitoring
c Constructional enclosure
k
Liquid enclosure
ck
Standard Category 3
bck Standard Category 2
Type of protection b for types
O4/O5 available on request
7
Ambient temperature range
-20 °C
T
a
40 °C
1)
Category 2
high protection
2)
Category 3
normal protection
© Siemens AG 2016