ATEX / UKEX
Direct-drive pump: CE 0344 / UKCA 8505 II 2 G Ex db h IIB T4 Gb IP68
Pump driven by frequency converter: CE 0344 / UKCA 8505 II 2 G Ex db h IIB T3 Gb IP68
IECEx
Direct-drive pump: Ex db h IIB T4 Gb Ta = -20 to +40 °C
Pump driven by frequency converter: Ex db h IIB T3 Gb Ta = -20 to +40 °C
Directive or
standard
Code Description
ATEX / UKEX
CE 0344
UKCA
8505
=
CE marking of conformity according to the ATEX directive, 2014/34/EU,
Annex X. UKCA marking of conformity according to the UKEX regulation,
2016.
0344 / 8505 is the number of the Notified Body / Approved Body which
has certified the quality system for ATEX / UKEX.
= The equipment conforms to the harmonised EU and UK standard.
II =
Non-mining equipment group, according to the ATEX directive / UKEX
regulation, defining the requirements applicable to the equipment in this
group.
2 =
High protection equipment group, according to the ATEX directive / UKEX
regulation, defining the requirements applicable to the equipment in this
category.
G = Explosive atmospheres caused by gases, vapours or mists.
Harmonised
European EN
and IECEx
standards
Ex = Marking of explosion protection.
db = Flame proof enclosure according to EN/IEC 60079-1.
h =
Non-electrical equipment for explosive atmosphere, according to EN ISO
80079-36 and EN ISO 80079-37.
IIB =
Classification of gases, see EN/IEC 60079-0, Annex A. Gas group B
includes gas group A.
T4/T3
(When
operated
by a
frequency
converter.)
=
Maximum surface temperature is 135 °C / 200 °C according to IEC
60079-0.
Gb = Equipment for explosive gas with "high" level of protection.
IP68 = Enclosure class according to EN/IEC 60529.
Ex certification and classification
Explosion-proof pumps are approved by FM
Approvals in conformity with the essential health and
safety requirements relating to the design and
construction of equipment intended for use in
potentially explosive atmospheres given in Annex II to
the Council Directive 2014/34/EU (ATEX) and in The
Equipment and Protective Systems Intended for Use
in Potentially Explosive Atmospheres Regulations
2016 (UKEX).
Potentially explosive environments
Use explosion-proof pumps for applications in
potentially explosive environments.
7
English (GB)
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