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Angle seat valves VZXA
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Angle seat valves VZXA
Key features
Function
The angle seat valves VZXA are extern
ally actuated valves which are con
trolled by a direct feed of compressed
air and are used to shut off gaseous
NC version (normally closed) NO version (normally open)
DA version (double acting)
or liquid media in pipe systems. In
the process, a spindle with a softsealing valve disc is raised and
lowered with the aid of a pneumatic
In the normal position, the valve is
closed by a spring. When the actu
ator is supplied with operating pres
sure, it raises the control piston and,
at the same time, the valve disc too –
this opens the valve.
The control function is performed by
reciprocal pneumatic actuation of
the actuator chambers.
actuator. In all the versions men
tioned below, the valve seat is slanted
around 40° toward the medium flow.
The direction of flow is determined by
the design of the valve (process valve
and actuator).
In the normal position, the valve is
opened by a spring. When the actu
ator is supplied with operating pres
sure, it lowers the control piston and,
at the same time, the valve disc too –
this closes the valve.
Economical Flexible Design
Modular design
Hygienic design, insensitive to dirt
Long service life
Quick and easy maintenance
High flow rates achievable
Product configurator
Control of medium flows (gaseous
and liquid) in closed and open
circuits
The angle seat valves VZXA are
simple and sturdy and are thus per
fectly suitable for almost all media
with a viscosity of up to 600 mm²/s
Angle seat valves VZXA made from
stainless steel with PTFE seals have
high chemical and thermal
resistance
Temperature of medium
–10 … +180 °C
Configurable product
This product and all its options can be
ordered using the configurator.
G thread to DIN ISO 228-1
Parallel Whitworth pipe thread,
non-metallically sealing: must
either be provided with an annular
seal outside the thread or must be
sealed by wrapping the thread with
PTFE or hemp
NPT thread to ANSI/ASME B 1.20.1
American tapered pipe thread with
sealing material sealing in the
thread, female thread tapered,
male thread tapered
Rc thread to DIN 10226-2
Pipe thread for fittings sealing in
the thread, female thread tapered,
male thread tapered
The configurator can be found under
Products on the DVD or at
è catalogue/…
Connection sizes
1/2" … 2" and DN13 … DN50
Medium pressure: 0 … 30 bar
Operating pressure: 5 … 10 bar
Threaded collar connection
Actuator sizes: piston actuator
46 mm and 75 mm
ATEX
Enter the type (or part number) in the
search field:
VZXA 3539410
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Angle seat valves VZXA
Product range overview
Product range overview
Type Control function Direction of flow
VZXA-A-… Closed via spring force, NC Above valve seat
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For gaseous media, “closing in the direction of medium flow” is
used
VZXA-B-… Closed via spring force, NC
Opened via spring force, NO
Double-acting, DA
Below valve seat
For gaseous and liquid media, “closing against the direction of
medium flow” is used in order to prevent or reduce water hammer
effects
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Angle seat valves VZXA
Type codes
Type
VZXA Process valve
Direction of flow
A Above valve seat for gaseous media
B Below valve seat for gaseous and liquid media
Control of the medium
– On/off operation
Line connection
T Threaded collar
Connection standard
S6 DIN ISO 228-1
S7 ANSI/ASME B 1.20.1
S13 DIN 10226
VZXA – A – – T S7 – 1/2" – M2 – V14 T
Connection size
1/2" 1/2"
3/4" 3/4"
1" 1"
11/2" 11/2"
11/4" 11/4"
2" 2"
13 DN13
20 DN20
25 DN25
32 DN32
40 DN40
50 DN50
Temperature of medium
M2 –10 to +180 °C
Valve housing material
V13 Stainless steel 1.4409
V14 Stainless steel ASTM A351-CF3M
Seat seal material
T PTFE
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Angle seat valves VZXA
Type codes
Medium pressure
4 0 … 4 bar
4,4 0 … 4.4 bar
4,8 0 … 4.8 bar
5,6 0 … 5.6 bar
5,8 0 … 5.8 bar
6 0 … 6 bar
6, 2 0 … 6.2 bar
6, 8 0 … 6.8 bar
7,5 0 … 7.5 bar
8 0 … 8 bar
8,3 0 … 8.3 bar
9,3 0 … 9.3 bar
10 0 … 10 bar
11,5 0 … 11.5 bar
12,2 0 … 12.2 bar
12,8 0 … 12.8 bar
13,5 0 … 13.5 bar
14,5 0 … 14.5 bar
15,5 0 … 15.5 bar
16 0 … 16 bar
23 0 … 23 bar
25 0 … 25 bar
30 0 … 30 bar
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–16– K – 46 – 17 – PR – – V4 –
Actuator
K Piston actuator
Actuator size
46 46 mm
75 75 mm
Stroke
17 17 mm
20 20 mm
Control function
– Closed via spring force, NC
D Double-acting
S Opened via spring force, NO
PR Closed via reduced spring force, NC
Position sensing
– With mechanical indicator
Actuator housing material
V4 Stainless steel 1.4408
EU certification
– None
EX4 II 2GD
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Angle seat valves VZXA with piston actuator
Technical data
Function Poppet valve with piston actuator
Line connection
1/2" … 2", DN13 … DN50
Stroke
17 … 20 mm
General technical data
Line connection DN13, 1/2" DN20, 3/4" DN25, 1" DN32, 11/4" DN40, 11/2" DN50, 2"
Actuator D46 D46 D75 D46 D75 D46 D75 D46 D46
Flow rate Kv VZXA-A-… [m3/h] 6.6 – 14.5 – 21.5 – – – –
VZXA-B-… [m3/h] 6 13.3 13.5 20.3 22.6 27.9 30.3 41.4 50.1
Design Poppet valve with piston actuator
Type of actuation Pneumatic
Type of mounting In-line installation
Mounting position Any
Valve function 2/2
Pneumatic connection Female thread G1/8
Flow direction Non-reversible
Reset method Mechanical spring
Type of actuation Externally actuated
Position sensing With mechanical indicator
Control of the medium On/off operation
Control
function
Direction of
flow
VZXA-A-… Closed via reduced spring force, NC
VZXA-B-… Closed via spring force, NC
VZXA-A-… Above valve seat for gaseous media
VZXA-B-… Below valve seat for gaseous and liquid media
Operating and environmental conditions
Operating pressure [bar] 5 … 10
Ambient temperature [°C] 0 … +60
Temperature of medium [°C] –10 … +180
Storage temperature [°C] –10 … +60
Degree of protection IP65
IP67
IP69K
Max. viscosity [mm2/s] 600
Medium Vapour
Inert gases
Filtered compressed air, grade of filtration 200 μm
VZXA-B-… additionally Mineral oil-based hydraulic oil
Mineral oil
Water
Neutral fluids
Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
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Angle seat valves VZXA with piston actuator
Technical data
ATEX
Connection size DN13, 1/2" DN20, 3/4" DN25, 1" DN32, 11/4" DN40, 11/2" DN50, 2"
ATEX category for gas II 2G
Type of ignition protection for gas c T6 … T3 X
ATEX category for dust II 2D
Type of ignition protection for dust c T80°C … T200°C X
Explosion ambient
temperature
CE mark
(see declaration of conformity)
1) Additional information p è Certificates.
Materials Material number
Piston rod High-alloy stainless steel
End cap Stainless steel casting
Seals FPM
Spindle washer PTFE
Seat seal PTFE
Actuator housing Stainless steel casting 1.4408
Valve housing Stainless steel casting 1.4409
Note on materials Contains paint-wetting impairment substances
[°C] 0°C ≤ Ta ≤ +60°C
– To EU Pressure Equipment Directive
1)
ASTM A351-CF3M
RoHS compliant
Permissible operating pressure as a function of medium pressure for control function NC, type B
Nominal width Max. medium pressure Min. operating pressure
D46 D75 D46 D75
DN13, 1/2" 30 – 4.8 –
DN20, 3/4" 12.8 30 4.8 4.6
DN25, 1" 8.3 23 4. 8 4. 6
DN32, 11/4" 4.4 13.5 4.8 4.6
DN40, 11/2" – 9.3 – 4. 6
DN50, 2" – 5.6 – 4.6
Permissible operating pressure p2 as a function of medium pressure p1 for control function NC, type A
VZXAA…K46…PR VZXAA…K75…PR
DN13, 1/2"
DN20, 3/4"
DN25, 1"
DN32, 11/4"
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DN20, 3/4"
DN25, 1"
DN32, 11/4"
DN40, 11/2"
DN50, 2"
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Angle seat valves VZXA with piston actuator
Technical data
Dimensions Download CAD data è
View A
View A
1 Pneumatic connection
Type B1 D1 D2 D3 H1 L1 L2
S6 S7 S13
VZXA-A-…-13-…-16-…-46-17-…
VZXA-A-…-20-…-16-…-75-20-…
VZXA-A-…-25-…-16-…-75-20-…
VZXA-B-…-13-…-30-…-46-17-…
VZXA-B-…-20-…-12.8-…-46-17-…
VZXA-B-…-20-…-30-…-75-20-…
VZXA-B-…-25-…-8.3-…-46-17-…
VZXA-B-…-25-…-23-…-75-20-…
VZXA-B-…-32-…-4.4-…-46-17-…
VZXA-B-…-32-…-13.5-…-75-20-…
VZXA-B-…-40-…-9.3-…-75-20-…
VZXA-B-…-50-…-5.6-…-75-20-…
Type L3 L4 L5 T1 T2 W1 ß1
VZXA-A-…-13-…-16-…-46-17-… 62 36.5 26.8 14 13.7 13.2 21.5 40 25
VZXA-A-…-20-…-16-…-75-20-… 94.4 53.1 41 16 14 14.5 24 40 32
VZXA-A-…-25-…-16-…-75-20-… 94.4 53.1 41 16 16.8 16.8 28 40 41
VZXA-B-…-13-…-30-…-46-17-… 62 36.5 26.8 14 13.7 13.2 21.5 40 25
VZXA-B-…-20-…-12.8-…-46-17-… 62 36.5 26.8 16 14 14.5 24 40 32
VZXA-B-…-20-…-30-…-75-20-… 94.4 53.1 41 16 14 14.5 24 40 32
VZXA-B-…-25-…-8.3-…-46-17-… 62 36.5 26.8 16 16.8 16.8 28 40 41
VZXA-B-…-25-…-23-…-75-20-… 94.4 53.1 41 16 16.8 16.8 28 40 41
VZXA-B-…-32-…-4.4-…-46-17-… 62 36.5 26.8 20 17.3 19.1 36 42 50
VZXA-B-…-32-…-13.5-…-75-20-… 94.4 53.1 41 20 17.3 19.1 36 42 50
VZXA-B-…-40-…-9.3-…-75-20-… 94.4 53.1 41 22 17.3 19.1 38 42 55
VZXA-B-…-50-…-5.6-…-75-20-… 94.4 53.1 41 24 17.6 23.4 43 40 65
22.6 G1/2 1/2 NPT Rc1/2 51
41 G3 /4 3/4NPT Rc3/4 82.6 187 234 75
41 G1 1" NPT Rc1 82.6 192 244 90
22.6 G1/2 1/2 NPT Rc1/2 51 159 202 65
22.6 G3/4 3/4 NPT Rc3/4 51 158 203 75
41 G3 /4 3/4 NPT Rc3/4 82.6 187 234 75
22.6 G1 1" NPT Rc1 51 164 214 90
41 G1 1" NPT Rc1 82.6 192 244 90
22.6 G11/4 11/4 NPT Rc11/4 51 168 218 110
41 G11/4 11/4 NPT Rc11/4 82.6 198 248 110
41 G11/2 11/2 NPT Rc11/2 82.6 216 270 120
41 G2 2" NPT Rc2 82.6 215 286 150
S6 S7 S13
G1/8
159 202 65
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Angle seat valves VZXA with piston actuator
Technical data
Ordering data
Key features:
Control function closed via spring force, NC
Without ATEX certification
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VZXA-A-…, flow direction above valve seat Flow rate Kv
[m3/h]
G thread to DIN ISO 228-1
DN13, D46 actuator 6.6 0 … 16 1775 8060513 VZXA-A-TS6-13-M2-V13T-16-K-46-17-PR-V4
DN20, D75 actuator 14.5 3155 8060514 VZXA-A-TS6-20-M2-V13T-16-K-75-20-PR-V4
DN25, D75 actuator 21.5 3395 8060515 VZXA-A-TS6-25-M2-V13T-16-K-75-20-PR-V4
VZXA-B-…, flow direction below valve seat Flow rate Kv
[m3/h]
G thread to DIN ISO 228-1
DN13, D46 actuator 6 0 … 30 1830 8060527 VZXA-B-TS6-13-M2-V13T-30-K-46-17-V4
DN20, D46 actuator 13.3 0 … 12.8 1910 8060528 VZXA-B-TS6-20-M2-V13T-12.8-K-46-17-V4
DN20, D75 actuator 13.5 0 … 30 3360 8060529 VZXA-B-TS6-20-M2-V13T-30-K-75-20-V4
DN25, D46 actuator 20.3 0 … 8.3 2150 8060530 VZXA-B-TS6-25-M2-V13T-8.3-K-46-17-V4
DN25, D75 actuator 22.6 0 … 23 3600 8060531 VZXA-B-TS6-25-M2-V13T-23-K-75-20-V4
DN32, D46 actuator 27.9 0 … 4.4 2480 8060533 VZXA-B-TS6-32-M2-V13T-4.4-K-46-17-V4
DN32, D75 actuator 30.3 0 … 13.5 3930 8060534 VZXA-B-TS6-32-M2-V13T-13.5-K-75-20-V4
DN40, D75 actuator 41.4 0 … 9.3 4610 8060536 VZXA-B-TS6-40-M2-V13T-9.3-K-75-20-V4
DN50, D75 actuator 50.1 0 … 5.6 5430 8060538 VZXA-B-TS6-50-M2-V13T-5.6-K-75-20-V4
Medium
pressure
[bar]
Medium
pressure
[bar]
Weight
[g]
Weight
[g]
Part No. Type
Part No. Type
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Angle seat valves VZXA
Ordering data – Modular product system
Ordering table
VZXA-… Condi
tions
0M Module no. 3539410
Product type VZXA VZXA VZXA
Direction of flow Above valve seat for gaseous media –A
Below valve seat for gaseous and liquid media –B
0O Control of the medium On/off operation
0M Line connection Threaded collar –T –T
Connection standard DIN ISO 228-1 S6
ANSI/ASME B 1.20.1
DIN 10226
Connection size DN13 5 –13
DN20 5 –20
DN25 5 –25
DN32 5 –32
DN40 5 –40
DN50 5 –50
1/2" 1 –1/2 "
3/4" 1 –3/4"
1" 1 –1"
11/4" 1, 2 –11/4"
11/2" 1 –11/2"
2" 1 –2"
Temperature of medium [°C] –10 … +180 –M2 –M2
Valve housing material Stainless steel 1.4409 3 –V13
Stainless steel ASTM A351-CF3M 4 –V14
ê Seat seal material PTFE T T
1 1/2", 3/4", 1", 11/4", 11/2", 2" Not with connection standard S6, S13
2 30 Not with connection size DN50, 2", DN40, 11/2", DN32, 11/4" or flow direction A
3 V13 Not with imperial connection size
4 V14 Not with metric connection size
5 DN13, 20, 25, 32, 40, 50 Not with connection standard S7
Code Entry
S7
S13
code
Mandatory data
M
Options
O
Transfer order code
VZXA – – – T – – M2 – T
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Angle seat valves VZXA
Ordering data – Modular product system
Ordering table
VZXA-… Condi
tions
ê Medium pressure [bar] 0 … 4 6 –4
0M [bar] 0 … 4.4 6 –4,4
[bar] 0 … 4.8 6 –4,8
[bar] 0 … 5.6 6 –5,6
[bar] 0 … 5.8 6 –5,8
[bar] 0 … 6 6 –6
[bar] 0 … 6.2 6 –6,2
[bar] 0 … 6.8 9 –6,8
[bar] 0 … 7.5 6 –7,5
[bar] 0 … 8 7 –8
[bar] 0 … 8.3 6 –8,3
[bar] 0 … 9.3 6 –9,3
[bar] 0 … 10 –10
[bar] 0 … 11.5 6 –11,5
[bar] 0 … 12.2 6 –12,2
[bar] 0 … 12.8 6 –12,8
[bar] 0 … 13.5 6 –13,5
[bar] 0 … 14.5 6 –14,5
[bar] 0 … 15.5 9 –15,5
[bar] 0 … 16 –16
[bar] 0 … 23 8, 6 –23
[bar] 0 … 25 8, 6 –25
[bar] 0 … 30 9, 6 –30
Actuator Piston actuator –K
Actuator size [mm] 46 –46
[mm] 75 –75
Stroke [mm] 17 aJ –17
[mm] 20 aA –20
0O Control function Closed via spring force, NC
Double-acting aC –D
Opened via spring force, NO aC –S
Closed via reduced spring force, NC aB –PR
Position sensing With mechanical indicator
0M Actuator housing material Stainless steel 1.4408 –V4 –V4
0O EU certification None
II 2GD –EX4
6 4…6.2, 8.3, 9.3, 11.5, 12.8, 13.5, 2…30 Not in conjunction with flow direction A
7 6.8, 8, 15.5 Not in conjunction with flow direction B
8 18, 20, 23, 25 Not with connection size DN50, 2", DN40, 11/2" or flow direction A
9 30 Not with connection size DN50, 2", DN40, 11/2", DN32, 11/4" or flow direction A
aJ Stroke 17 Only with size 46
aA Stroke 20 Only with size 75
aB Control function PR Must be in combination with flow direction A
aC Control function D, S Must be in combination with flow direction B
Code Entry
code
Mandatory data
M
Options
O
Transfer order code
– – – – – – V4 –
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