KNF N630 EX, Перевод оригинальной инструкции по эксплуатации и установке

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Diaphragm pump N630 EX Use
Translation of Original Operation and Installation Instruction, english, KNF 320945 04/21 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 atmospheres (zones), only operate pumps and mo-
tors of the appropriate 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 )
II B + H2 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
Motor The pump motor must have at least the same explosion protection as the
pump.