KNF N026 EX, Translation Of Original Operation And Installation Instruction

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Use Diaphragm pump N026 EX
6 Translation of Original Operation and Installation Instruction, english, KNF 059217 11/19
2.3 Use in potentially explosive areas
In potentially explosive areas (zones), only operate pumps of the appropri-
ate device category and temperature class.
The pumps have the following explosion protection designation:
Designation Description
Symbol for explosion-proof pumps
II
Device group (See Chapter 2.4.1 Device groups )
2/2G
Device category (See Chapter 2.4.2 Device cate-
gories for gas )
Ex Symbol indicates that the device complies with
one or more ignition protection types
H Symbol for ignition protection type (See Chapter
2.4.5 Ignition protection type )
II B + H2
Explosion groups (see Chapter 2.4.3 Explosion
groups )
T4
Temperature class (see Chapter 2.4.4 Tempera-
ture classes )
Gb
Equipment protection level (See Chapter 2.4.6
Equipment protection level for gas )
Special operating conditions (See Chapter 2.4.7
Special operating conditions )
Tab. 5
An ignition hazard assessment in accordance with standards DIN EN ISO
80079-36 and DIN EN ISO 80079-37 was performed for the pumps. The
protective goals were reached by applying ignition protection type con-
structional safety "c".
The explosion protection designation can also be found at the following lo-
cation:
§
Type plate of the pump
Motor The pump motor must have at least the same explosion protection as the
pump.