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Page 3
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Introduction
A750-04-880 Issue F
1.3
ATEX Directive: 94/9/EC (Europe): ATEX Category 1, 2 and 3
pumps only
1.3.1
Introduction
The pump must be incorporated into a larger system on which the internal atmosphere has an area classification of
Zone 0 (for ATEX Category 1 pumps) or Zone 1 (for ATEX Category 2 pumps) or Zone 2 (for ATEX Category 3 pumps).
Such systems will be certified in accordance with the above Directive, and must be identified by an ATEX system
rating label.
For certification to be valid, the pump
must
be installed exactly as specified in this manual.
ATEX Category 1 pumps are fitted with an ATEX rating label containing the following information:
ATEX Category 2 pumps are fitted with an ATEX rating label containing the following information:
ATEX Category 3 pumps are fitted with an ATEX rating label containing the following information:
The notations used in these ratings are as follows:
1.3.2
Temperature classification
The temperature classification applied to the pump relates to the auto-ignition temperature of flammable materials
that can be pumped.
The pump has a T4 classification and is suitable for pumping flammable materials that have an auto-ignition
temperature greater than 135
o
C. Refer to
of this manual for the necessary pump operating conditions.
II 1 G c, IIC T4 Internal
II 2 G c, IIC T4 External
II 2 G c, IIC T4 Internal
II 2 G c, IIC T4 External
II 3 G c, IIC T4 Internal
II 3 G c, IIC T4 External
specifies that the pump can be used in a potentially explosive atmosphere.
II
Equipment group II (non-mining)
1
Equipment category 1
2
Equipment category 2
3
Equipment category 3
G
Suitable for potentially explosive gas atmospheres
c
Complies with ‘constructional safety’ protection strategy
IIC
Suitable to pump gas group IIC
T4
Gas auto-ignition temperature: see
