User Manual

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Siemens 2-port seat valves PN25 with flanged connection CM1N4373en
Building Technologies 15.11.2010
Type summary
Product number DN k
vs
[m
3
/ h] S
v
VVF52.15-0.16 0.16
VVF52.15-0.2 0.2
VVF52.15-0.25 0.25
VVF52.15-0.32 0.32
VVF52.15-0.4 0.4
VVF52.15-0.5 0.5
VVF52.15-0.63 0.63
VVF52.15-0.8 0.8
VVF52.15-1 1
VVF52.15-1.25 1.25
VVF52.15-1.6 1.6
VVF52.15-2 2
VVF52.15-2.5 2.5
VVF52.15-3.2 3.2
VVF52.15-4
15
4
50…100
VVF52.25-5 5
VVF52.25-6.3 6.3
VVF52.25-8 8
VVF52.25-10
25
10
VVF52.40-12.5 12.5
VVF52.40-16 16
VVF52.40-20 20
VVF52.40-25
40
25
100…200
DN = Nominal size
k
vs
= Nominal flow rate of cold water (5…30 °C) through the fully open valve (H
100
) by a differential pressure
of 100 kPa (1 bar)
S
v
= Rangeability k
vs
/ k
vr
k
vr
= Smallest k
v
value, at which the flow characteristic tolerances can still be maintained, by a differential
pressure of 100 kPa (1 bar)
Product number Type suffix Description Examples
VVF52..A A Sealing gland with PTFE sleeve for temperatures
up to 180 °C
VVF52.15-2.5A
VVF52..G G Sealing gland with PTFE sleeve for steam up to
180 °C, available for k
vs
 1.25 m
3
/h
VVF52.15-3.2G
VVF52..M M Sealing gland with PTFE sleeve, silicon-free
version, for temperatures up to 180 °C
VVF52.25-6.3M
Product number Stock No. Description Data sheet
MK..5.. S55329-M1.. Control device PN 25 for safety function per DIN EN
14597, for water
N4387
MK..5..G S55329-M1.. Control device PN 25 for safety function per DIN EN
14597, for steam
N4389
Product number Stock No. Description
ASZ6.5 ASZ6.5
Electric stem heating element, AC 24 V / 30 W, required for media
below 0 °C. For electrohydraulic actuators SKD.., SKB.., SKC..
ASZ6.6 S55845-Z108
Electric stem heating element, AC 24 V 30 W, required for media
below 0 °C
High performance
versions
TÜV tested per DIN
EN 14597
Accessories