2.5 Approvals
The product ranges 74 and 78 are approved
according to IEC 60079-0 and IEC 60079-1,
certificate number is IECEx FMG 18.0009X.
The product range 72 is approved according to IEC
60079-0 and IEC 60079-1, certificate number is
IECEx BAS 21.0029X.
2.5.1 Ex approval plates
TM080581
Approval plate of range 72 explosion-proof pumps,
T3 and T4 classification
TM080582
Approval plate of range 74 and 78 explosion-proof
pumps
The approval plates provide the following details:
The equipment conforms to harmonised
European standard.
II
Equipment group (II = non-mining)
2
Equipment category (high protection)
G
Type of explosive atmosphere (gas)
CE
CE mark
UKCA
UKCA mark
0344
Number of quality assurance notified
body
1180
Number of quality assurance notified
body
Ex
Marking of explosion protection
db
Flameproof enclosure, Zone 1
eb
WIO sensor protection by increased safe-
ty
h
Constructional safety "c", Control of igni-
tion sources "b" and Liquid immersion "k"
according to EN ISO 80079-36:2016 and
EN ISO 80079-37:2016
mb
WIO sensor protection by enclosure
IIB
Gas group (ethylene)
T3
Maximum surface temperature of the mo-
tor is 200 °C*.
T4
Maximum surface temperature of the mo-
tor is 135 °C.
Gb
Equipment protection level, zone 1
* For pumps operated by a frequency converter, the
maximum surface temperature must not exceed T3
temperature class (200 °C).
10
English (GB)
Summary of Contents for ST-55-520
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