Chemically-resistant Laboratory pump N820.18 EX / N840.18 EX
Customer ser-
vice and repairs
Translation of Original Operating Instruction, KNF 317428-317425 05/21
§
EN 61010-1
§
EN 1012-2
§
EN ISO 12100
The part of the pumps that comes into contact with the media
satisfies the following harmonized standards:
§
EN ISO 80079-36
§
EN 1127-1
Per IEC 664, the pumps comply with:
§
Overvoltage category II
§
Pollution degree 2
The pumps are maintenance-free. However, KNF recom-
mends periodic inspection of the pump for obvious changes in
noise or vibration.
Only have repairs to the pumps performed by qualified KNF
personnel.
Housings with electrically live components may only be
opened by specialized personnel.
Use only genuine spare parts from KNF when performing
servicing work.
Safety
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