KNF N680 EX, Руководство пользователя

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Diaphragm pump N680 EX Use
Translation of Original Operation and Installation Instruction, english, KNF 325438 02/22 7
This function can be made possible on a project basis following consulta-
tion with KNF Customer Service.
No overpressure may be applied to the suction side of the pump.
This function can be made possible on a project basis following consulta-
tion with KNF Customer Service.
2.3 Use in potentially explosive areas
In potentially explosive areas (zones), only operate pumps and motors of
the appropriate device category and temperature class.
The pumps have the following EU explosion protection designation:
Designation Description
Symbol for explosion-proof pumps
II Equipment group (see Chapter 2.4.1 Device groups )
2/2G Device category (see Chapter 2.4.2 Device categories 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 Ig-
nition protection type )
IIB + H2
For SP design:
Explosion groups (see Chapter
2.4.3 Explosion groups )
IIB
For ST design:
Explosion groups (see Chapter
2.4.3 Explosion groups )
T3 Temperature class (see Chapter 2.4.4 Temperature
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.3
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
Drive The pump motor must have at least the same explosion protection as the
pump.