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