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1.3.4 Wetted materials
Dosing head
Valve seat / valve housing / connector section
1.4435
1.4435
1.3.5 Performance diagrams, Sigma 3 with hygienic pump head
Sigma 3 S3Ba with hygienic pump head
(50 Hz) - 1
* O-ring DIN 11864 R
A
C [l/h]
500
120270
400
120190
120145
300
200
100
0
0
10
20
B
C [l/h]
500
400
300
200
120270
100
120190
120145
0
0
1
2
3
Fig. 10: A) Dosing rate C at maximum back pressure dependent on the
stroke length s. B) Dosing rate C dependent on the back pressure p.
Product-specific part
Seals
Ball
EPDM *
Al
O
2
3
S3Cb Hygien.
30
40
50
60
70
80
S [%]
4
5
6
7
8
9
p [bar]
Diaphragm
PTFE
90
100
10
11
12
15
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