English (GB)
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6.7 Approvals
The standard versions of SE1 and SEV pumps have
been tested by VDE, and the explosion-proof
versions approved by DEKRA according to the ATEX
directive.
6.7.1 Approval standards
The standard variants are approved by LGA (notified
body under the Construction Products Directive)
according to EN 12050-1 or EN 12050-2 as specified
on the pump nameplate.
6.7.2 Explanation of the Ex approval
The SE1 and SEV pumps have the following
explosion protection classifications:
• CE 0344 II2 GD Ex db eb h mb IIB T4, T3 Gb:
Ex h mb tb IIICT135 °C, T200 °C Db.
* For motors supplied via a frequency converter,
the maximum surface temperature T3 is 200 °C.
Directive or
standard
Code Description
ATEX
CE 0344 =
CE marking of conformity according to the ATEX directive 2014/34/EU. 0344
is the number of the notified body which has certified the quality system for
ATEX.
= Marking of explosion protection.
II =
Equipment group according to the ATEX directive, defining the requirements
applicable to the equipment in this group
2=
Equipment category according to the ATEX directive, defining the
requirements applicable to the equipment in this category
G = Explosive atmosphere caused by gases, vapours or mists
D = Explosive atmosphere caused by dust
Harmonised
European
standard
Ex = The equipment conforms to harmonised European standard.
h=
Constructional safety (c) and Liquid immersion (k) according to EN 80079-36
and 80079-37
db = Flameproof enclosure according to EN 60079-1
eb = Protection according to EN 60079-7
mb = Encapsulation according to EN 60079-18
IIB = Classification of gases, see EN 60079-0. Gas group B includes gas group A.
T4/T3 =
Maximum surface temperature is 135 °C (T4) in direct-drive pumps and
200 °C (T3) in pumps driven by frequency converter, according to EN 60079-
0*
Gb = Suitable for use in explosive gas atmospheres in zone 1 and zone 2
tb = Protection by enclosure EN 60079-31
IIIC = Conductive dust
T135 °C
/ T200
°C
= Maximum surface temperature
Db = Suitable for use in explosive dust atmospheres in zone 1 and zone 2
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