Media pressure and operating pressure VZXA-B-...-K-75-...-S (media flow under
valve seat, NO)
Nominal width
DN
20
25
32
40
50
Max. media pressure
[bar]
16
10
6.2
Min. operating pres-
sure
[bar]
3.4
4
5
Tab. 11 Limit values of media pressure and operating pressure VZXA-B-...-K-75-...-
S
DN20
DN25
DN32
DN40
DN50
p1
Medium pressure
p2
Operating pressure
Fig. 4 Media pressure and operating pressure VZXA-B-...-K-75-...-S
Media pressure and operating pressure VZKA-B-...-K-46-...-D (media flow under
valve seat, double-acting)
Nominal width
DN
13
20
25
32
Max. media pressure
[bar]
16
6
Min. operating pres-
sure
[bar]
2.8
3.1
4.8
5
Tab. 12 Limit values of media pressure and operating pressure VZKA-B-...-K-46-...-
D
DN13
DN20
DN25
DN32
p1
Medium pressure
p2
Operating pressure
Fig. 5 Media pressure and operating pressure VZKA-B-...-K-46-...-D
Media pressure and operating pressure VZXA-B-...-75-...-D (media flow under
valve seat, double-acting)
Nominal width
DN
20
25
32
40
50
Max. media pressure
[bar]
16
10
Min. operating pres-
sure
[bar]
2.8
3.8
5
Tab. 13 Limit values of media pressure and operating pressure VZXA-B-...-75-...-D
DN20
DN25
DN32
DN40
DN50
p1
Medium pressure
p2
Operating pressure
Fig. 6 Media pressure and operating pressure VZXA-B-...-75-...-D
Media pressure and operating pressure VZXA-B-...-K-46 (media flow under valve
seat, NC)
Nominal width
DN
13
20
25
32
Medium pressure
[bar]
–0.9 … 30
–0.9 … 12.8
–0.9 … 8.3
–0.9 … 4.4
Min. operating pres-
sure
[bar]
4.8
Tab. 14 Limit values of media pressure and operating pressure VZXA-B-...-K-46
Media pressure and operating pressure VZXA-B-...-K-75 (media flow under valve
seat, NC)
Nominal width
DN
20
25
32
40
50
Medium pressure
[bar]
0 … 30
0 … 23
0 … 13.5
–0.9 … 9.3
–0.9 … 5.6
Min. operating pres-
sure
[bar]
4.6
Tab. 15 Limit values of media pressure and operating pressure VZXA-B-...-K-75
Media pressure and operating pressure VZXA-B-...-K-46-...-PR (media flow
under valve seat, NC with reduced spring force)
Nominal width
DN
13
20
Max. media pressure
[bar]
11.5
6
Min. operating pres-
sure
[bar]
2.6
Tab. 16 Limit values of media pressure and operating pressure VZXA-B-...-K-46-...-
PR
Media pressure and operating pressure VZXA-B-...-K-75-...-PR (media flow
under valve seat, NC with reduced spring force)
Nominal width
DN
20
25
32
40
Max. media pressure
[bar]
16
9.3
4.8
4
Min. operating pres-
sure
[bar]
2.2
Tab. 17 Limit values of media pressure and operating pressure VZXA-B-...-K-75-...-
PR
