Chemically-resistant Laboratory pump N820.18 EX
1 Screw
2 Pressure
plate
3 Head plate
4 Valve plates/
seals
5 Intermediate
plate
6 Diaphragm
7 Shim rings
Translation of Original Operating Instruction, English, KNF
317428-317425 09/20
Removing pump head
1
2
3
4
5
6
7
Fig.10: Pump head (pump N820 shown)
The following item numbers refer to Fig. 10 unless speci-
fied otherwise.
Servicing
DE
EN
FR
ES
IT
41