User Manual
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Siemens 2-port seat valves PN25 with flanged connection CM1N4373en
Building Technologies 15.11.2010
Ordering
Valves, actuators and accessories are packed and supplied separately.
The valves are supplied without counter-flanges and without flange gaskets.
See overview, page 12.
E
quipment combinations
Valves Actuators
SAX..
1)
SKD..
1) 2) 3)
SKB..
2) 3)
H
100
p
max
p
s
p
max
p
s
p
max
p
s
[mm] [kPa]
VVF52.15.. 1600 2500 2500
VVF52.25.. 1200 1500
1600
2250
2500
VVF52.40..
20
400 500 700 750
1600
2000
1)
Usable up to maximum medium temperature of 150 °C
2)
Usable also in combination with special version G for saturated steam / super-heated steam
3)
Together with actuators SKD.. or SKB..‚ 2-port valves VVF52.. are TÜV approved to DIN EN 14597
and can be used as safety shutoff valves for steam or high-temperature hot water should permissible
temperature or pressure limits not be exceeded.
H
100
= Nominal stroke
p
max
= Maximum permissible differential pressure across the valve, valid for the entire actuating range of
the motorized valve
p
s
=
Maximum permissible differential pressure at which the motorized valve will close securely against
the pressure (close off pressure).
Product
number
Actuator
type
Operating
voltage
Positioning
signal
Spring
return
Positioning
time
Positioning
force
Data
sheet
SAX31.00 120 s
SAX31.03
AC 230 V
30 s
SAX81.00 120 s
SAX81.03
3-position
SAX61.03
Electro-
motoric
AC/DC 24 V
DC 0…10 V
1)
-
30 s
800 N N4501
SKD32.50 - 120 s
SKD32.21 30 s
SKD32.51
AC 230 V
Yes
SKD82.50 -
SKD82.51
3-position
Yes
120 s
SKD60 -
SKD62..
Electro-
hydraulic
AC 24 V
DC 0…10 V
1)
Yes
30 s
1000 N N4561
SKB32.50 -
SKB32.51
AC 230 V
Yes
SKB82.50 -
SKB82.51
3-position
Yes
SKB60 -
SKB62..
Electro-
hydraulic
AC 24 V
DC 0…10 V
1)
Yes
120 s 2800 N N4566
Actuators SAX81.. and SAX61.. are UL listed
1)
or DC 4…20 mA or 0…1000 Ω
Contact your local office or branch for more information.
Example:
Product number Stock number Designation Quantity
VVF52.15-0.25 VVF52.15-0.25 2-port seat valve PN25 with flanged connection 1
Delivery
Spare parts, Rev no.
Actuator overview
Pneumatic actuators