Diaphragm vacuum pump N 89/N 811/N 814/N 815
Servicing
Translation of original Operating and Installation Instructions, english, KNF 121242-121509 04/20
25
Fig. 9: Design of the pump (for all pump types)
Fig. 10: Cross-section view N 89/811
1
Housing
2
Intermediate plate
3
Head plate
4
Screw
5
Cover
M
Mark
6
Valve plate/sealing
8
Diaphragm
9
Diaphragm support (N 814/
N 815)
10
Diaphragm spacer(s)
11
Disc spring (N 815)
12
Connection rod
13
Counter weight
Содержание N 811
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