DN32
DN40
DN50
DN25
p1
Medium pressure
p2
Operating pressure
Fig. 6 Operating pressure and medium pressure VZXF-...-A-...-V4V4-...-80
Operating pressure and medium pressure VZXF-...-B (medium flow under valve
seat)
VZXF
DN15 DN20 DN25 DN32 DN40 DN50
VZXF-...-B-...-H3...-50
Min. operating pressure
[bar]
4.9
4.5
5.3
5.5
5.8
5.7
Max. medium pressure
[bar]
16
16
10
7
6
3
VZXF-...-B-...-V4...-50
Min. operating pressure
[bar]
5.3
5.5
5.5
5.5
5.5
5.5
Max. medium pressure
[bar]
40
20
10
7
6
3
VZXF-...-B-...-H3...-80
Min. operating pressure
[bar]
–
–
4.0
4.2
4.3
4.3
Max. medium pressure
[bar]
–
–
16
12
8
5
VZXF-...-B-...-V4...-80
Min. operating pressure
[bar]
–
–
4.1
4.1
4.1
4.1
Max. medium pressure
[bar]
–
–
22
10
8
5
Tab. 6 Operating pressure and medium pressure, VZXF-...-B
