Use In Hazardous Areas - KNF N 922 EX Betriebsanleitung

Diaphragm Pumps N 922 EX
Drive motor
Translation of Original Operating- and Installation Instructions, english, KNF N 922 EX 08/18

2.3. Use in hazardous areas

In hazardous areas (zones), only operate pumps and motors of the
corresponding equipment category and temperature class.
The pumps have the following explosion protection marking:
Marking Description
Symbol for explosion-proof pumps
II Equipment group (see Section 2.4.1)
2 G Equipment category (see Section 2.4.2)
c Type of protection (see Section 2.4.5)
II B + H2 Explosion group (see Section 2.4.4)
T3 Temperature class (see Section 2.4.3)
X Additional conditions (see Section 2.4.6)
Tab. 2
The explosion protection marking is also applied at the following
location:
 Pump type plate
The pump drive motor must have at least the same explosion
protection rating as the pump.
Use
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