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Introduction
A652-18-880 Issue C
1.4 ATEX certification
The elements of this certification have the following meaning:
- Equipment to be used in a potentially explosive atmosphere
II - Equipment group II - non mining equipment
3 - Equipment category 3
2 - Equipment category 2
G - Where explosive atmospheres caused by gases, vapours or mists are concerned
c - Protection by constructional safety
IIB Internal - Suitable to pump gas group IIB
IIB or IIC External - Suitable for use within IIB or IIC explosive atmospheres
T3, T4, T160 - Auto ignition temperature of gas, that is T3 (200 °C), T4 (135 °C), T160 (160 °C)
Table 1 - ATEX certification
Pump type
ATEX certification
Internal External
RV3, 5, 8, 12 II 3 G c IIB T4 II 2 G IIB or IIC T4
E1M/E2M18 II 3 G c IIB T4 II 2 G IIB or IIC T4
E1M/E2M40, 80 II 3 G c IIB T4 II 2 G IIB T4
E1M/E2M175, 275 II 3 G c IIB T3 II 2 G IIB T160
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