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Product-specific part
1.2.4 Wetted materials
Dosing head
Valve seat / valve housing / connector section
1.4435
1.4435
1.2.5 Performance diagrams, Sigma 2 with hygienic pump head
Sigma 2 S2Ba with hygienic pump head
(50 Hz)
10
* O-ring DIN 11864 R
A
C [l/h]
450
400
04350
07220
350
16130
07120
300
16090
16050
250
200
150
100
50
0
0
20
B
C [l/h]
450
400
350
300
250
200
150
100
50
0
0
2
Fig. 6: A) Dosing rate C at maximum back pressure dependent on the
stroke length s. B) Dosing rate C dependent on the back pressure p.
Seals
Ball
EPDM *
Al
O
2
3
S2Ba Hygien.
40
60
80
S [%]
04350
07220
16130
07120
16090
16050
8
4
6
p [bar]
Diaphragm
PTFE
100
120
10
12
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