VMK/VFK
www.co-ax.com
data sheet
E7.03-11/2009
coaxial valve
type VMK-H 20
VFK-H 20
5-VMK-H 20
5-VFK-H 20
valve type with pilot valve
2/2 way valve
pressure range
orifice
connection
function
externally controlled
PN 0-200 bar
DN 20 mm
thread/flange
valve
normally closed
symbol
NC
valve
normally open
symbol
B
a
b
a b
4
2
A
B
a
4
NO
b
a b
2
A
design pressure balanced, with spring return
body materials ①
② steel, galvanized
③
⑤ without non-ferr. metals
④ steel, nickel plated
⑥ stainless steel
valve seat synthetic resin on metal
seal materials NBR
PTFE, FPM, CR, EPDM
Above stated body materials refer to
the valve port connections that get in contact with the media only!
ports
details needed for main valve
■ orifice
■ port
■ function NC/NO
■ operating pressure
■ flow rate
■ media
■ media temperature
■ ambient temperature
■ type of actuation
function
pressure range
Kv value
vacuum
pressure-vacuum
back pressure
media
details needed for pneumatic actuation
■ nominal voltage
■ type of protection
■ actuation pressure range min/max
■ low wattage coil, actuation pressure range 4-7 bar
■ pilot valve type
details needed for hydraulic actuation
■ actuation pressure range min/max
■ hydraulic control valve function
abrasive media
damping
flow direction
switching cycles
switching time
media temperature
ambient temperature
flush ports
leak ports
limit switches
manual override
approvals
mounting
weight
additional equipment
general specifications
options
VMK-H
VFK-H
special threads
special flanges
NO
bar
m³/h
leak rate
P1 P2
P2 > P1
opening
closing
AB
1/min
ms
°C
°C
threads G 3/4
flanges PN 160/250
NC
0-200
7,7
gaseous - liquid - highly viscous gelatinous - pasty - contaminated
by throttles on pilot valve
as marked
200
opening 50-3000 closing 50-3000
direct mounted pilot valve 60
direct mounted pilot valve 50
via pilot valve
kg
VMK-H 6,7
VFK-H 8,7
electrical specifications
nominal voltage
power consumption
The valves‘ technical design is based
on media and application requirements.
This can lead to deviations from the general
specifications shown on the data sheet with
regards to the design, sealing materials and
characteristics.
protection
energized duty rating
connection
additional equipment
optional
max. temperature
If order or application specifications are
incomplete or imprecise there exists a risk of
an incorrect technical design of the valve for
the required application. As a consequence,
the physical and / or chemical properties of
the materials or seals used, may not be suitable for the intended application.
explosion proof
actuation pressure range
control
actuator ports
■ specifications not highlighted are standard
version available
bi-directional upon request
remote mounted pilot valve outside temperature range of media max.160°C
available
available
inductive/mechanical upon request
LR/GL/WAZ
mounting brackets
upon request
options
Un
Un
DC
AC
IP 65 (P54)
ED
DC 24V
special voltage upon request
special voltage upon request
AC 230V 50 Hz
4,8 W
2,5 W
pick up 11,0 VA holding 8,5 VA
acc. DIN 40 050
100%
plug acc. DIN EN 175301-803 form B, 4 positions x 90° / wire diameter 6-8 mm
illuminated plug with varistor
M12x1
connector acc. DESINA
connector acc. VDMA
media
60°C
ambient
50°C
EEx m II T5 nominal voltage Un
direct current 24 V
3,25 W
alternating current 230 V 50 Hz 2,90 W
power consumption
pneumatic specifications
actuation pressure range
air consumption
cycle speed
control
pilot valve interface
actuator ports
< 10-6 mbar•l•s-1
pressure side max. 200 bar
vacuum side leak rate upon request
available (max. 16 bar)
options
bar
4-10
cm³/stroke 11
main valve speed variable by throttles on pilot valve
preferably 5/2-way pilot valve
co-ax / NAMUR
ISO 1
2/4
G 1/8
G 1/4
hydraulic specifications
options
bar
10-30 / 30-60
preferably 4/2-way control valve
X/Y
G 1/4
NPT 1/4
specifications highlighted in grey are optional
müller co-ax ag
•
Gottfried-Müller-Str. 1
•
D-74670 Forchtenberg
•
Germany
•
fon +49(0)7947/828-0
•
fax +49(0)7947/828-11
•
Email info@co-ax.com
type VMK-H 20
11
L2
112
B
A
G
4
X
SW 50
90
2
Y
function:
NC
closed when not energized
40
8,5
L1
50
constructive length
L1
L2
L3
standard
215
164
288
with 1/2 inductive limit switches
245
194
318
with force-feed lubrication nipple
245
194
318
-
-
-
with mechanical limit switches
type VFK-H 20
DIN
ØD
Øk
Ød
160
2638
130
90
18
250
2628
135
95
18
function:
NO
open when not energized
4
X
B
A
d
112
2
Y
20
90
flanges PN
L2
57
67
8,5
50
L3
k
D
pneumatic actuation (separately)
14
4 2
12
5/2-way-pilot valve
flow rate 700 l/min
pressure range 3-10 bar
G 1/8
5 13
14
4 2
12
5 13
5/2-way-pilot valve ISO 1
flow rate 700 l/min
pressure range 3-10 bar G 1/4
The applic ation - specif ic layout relating to temperature, pressure c onditions, switching behavior, media and its c on sistency may restrict the range of use or nec essitate relevant modif ic ations to materials used and seal ar rangements.
Rights
reserved
to
make
technical
alterations
•
Not
responsible
for
printing
errors
•
Detailled
drawings
can
be
obtained
upon
request
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