English (GB)
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5.2 Explanation to Ex approval
SL1 and SLV pumps have the following explosion
protection classifications:
ATEX:
IECEx: IEC 60079-0:2017, IEC 60079-1:2014, IEC
60079-7:2017, IEC 60079-18:2017
5.2.1 Europe
5.2.2 Australia and New Zealand
Explosion-proof variants for Australia and New
Zealand are approved Ex d IIB T3/T4 Gb
Ex db IIB
T3/T4 Gb (without WIO sensor) or Ex d mb T3/T4 Gb
Ex db eb mb IIB T3/T4 Gb(with WIO sensor).
The standard variants are approved by TÜV LGA
(notified body under the Construction Products
Directive) according to EN 12050-1 or EN 12050-2
as specified on the pump nameplate.
Direct-drive pump without sensor: CE 0344 II 2 G Ex c d IIB T4 Gbdb h IIB T4 Gb
Direct-drive pump with sensor:
CE 0344 II 2 G Ex c d mb IIB T4 Gb
db eb h mb
IIB T4 Gb
Pump driven by frequency converter without sensor: CE 0344 II 2 G Ex c d IIB T3 Gbdb h IIB T3 Gb
Pump driven by frequency converter with sensor:
CE 0344 II 2 G Ex c d mb IIB T3 Gb
db eb h mb
IIB T3 Gb
Pump without sensor: Ex db IIB T3/T4 Gb
Pump with sensor: Ex db
eb mb T3/T4 Gb
Directive/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 or vapours.
Harmonised European
standard EN 60079-0
Ex = The equipment conforms to harmonised European standard.
c
h
Constructional safety according to EN 13463-5:2011 and EN 13463-
1:2009.Constructional safety "c" and Liquid immersion "k" according
to EN ISO 80079-36:2016 and EN ISO 80079-37:2016
d = Flameproof enclosure according to EN 60079-1:200714.
eb
= Protection according to EN 60079-7:2015+A1:2017
mb = Encapsulation according to EN 60079-18:2009.2015+A1:2017
IIB =
Classification of gases, see EN 60079-0:2012
EN IEC 60079-0:2018.
Gas group B includes gas group A.
T4/T3 =
Maximum surface temperature is 135 °C / 200 °C according to EN
60079-0:2012EN IEC 60079-0:2018.
Gb = Equipment protection level.
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