Type
VZXF-L-M22C-M
Note on materials
VZXF-...-H3AL
Housing: red brass; actuator: aluminium
VZXF-...-H3B1
Housing: red brass; actuator: brass
VZXF-...-V4AN
Housing: stainless steel; actuator: nickel-plated alu-
minium
VZXF-...-V4B2
Housing: stainless steel; actuator: nickel-plated brass
VZXF-...-V4V4
Housing: stainless steel; actuator: stainless steel
Stem seal
NBR (standard), PTFE, FKM
Seat seal
PTFE (standard)
FKM (vacuum design, PWIS-free)
1) other media on request
Tab. 4 Technical data, general, VZXF
14.2
Technical data, pneumatic
Nominal pressure and flow rate of process valve
Connection size
["]
½
¾
1
1
¼
1
½
2
Pipe thread in accordance
with DIN ISO 228
G½
G¾
G1
G1¼
G1½
G2
Pipe thread in accordance
with ANSI B 1.20.1
NPT ½
NPT ¾
NPT 1
NPT
1¼
NPT
1½
NPT 2
Pneumatic connection
G
x
Connection size DN
15
20
25
32
40
50
Nominal pressure of process
valve PN VZXF-...-H3
[bar]
16
Nominal pressure of process
valve PN VZXF-...-V4
[bar]
40
Flow rate K
v1)
VZXF-...-A-...-H3...-50
[m
3
/h]
3.5
6.7
10.8
19
23
28
VZXF-...-B-...-H3...-50
[m
3
/h]
3.7
5.2
9.6
6
16.5
23
VZXF-...-A-...-V4...-50
[m
3
/h]
3.8
7.5
12
18.5
25
34.5
VZXF-...-B-...-V4...-50
[m
3
/h]
3.3
6.5
11
10.7
17.5
19.5
VZXF-...-A-...-H3...-80
[m
3
/h]
–
–
12
21.5
30.5
40
VZXF-...-B-...-H3...-80
[m
3
/h]
–
–
14.5
19
29.5
30
VZXF-...-A-...-V4...-80
[m
3
/h]
–
–
12.5
19
29
47.5
VZXF-...-B-...-V4...-80
[m
3
/h]
–
–
12
17.5
28
39
1) water, at + 20 °C, medium pressure 1 bar at the valve input, free outlet
Tab. 5 Technical data, pneumatic, VZXF
Operating pressure and medium pressure VZXF-...-A-... (medium flow under
valve seat)
DN20
DN25
DN15
DN32
DN40
DN50
p1
Medium pressure
p2
Operating pressure
Fig. 3 Operating pressure and medium pressure VZXF-...-A-...-H3B1-...-50
DN20
DN25
DN15
DN32
DN40
DN50
p1
Medium pressure
p2
Operating pressure
Fig. 4 Operating pressure and medium pressure VZXF-...-A-...-V4V4-...-50
DN32
DN40
DN50
p1
Medium pressure
p2
Operating pressure
Fig. 5 Operating pressure and medium pressure VZXF-...-A-...-H3AL-...-80
