Data Sheet for Product

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Siemens 2-port and 3-port Terminal Unit Valves PN16 CA1N4847en
Smart Infrastructure 2021-07-16
Technical data
Operating data
PN class
PN 16 to EN 1333
Permissible operating pressure 1600 kPa (16 bar)
Valve characteristic
Path A → AB
Bypass B
→
AB
linear
linear
Leakage rate
Path A → AB
Bypass B
→
AB
to DIN EN 1349
0…0.05 % of k
vs
value
0…0.05 % of k
vs
value
Permissible media
chilled water, low-temperature hot water and
water with frost protection additives
recommendation: water should be treated as
specified in VDI 2035
Temperature of medium 1...110 °C, or max. 120 °C for short periods
1)
Rangeability S
v
> 50 as in VDI 2173
Nominal stroke 2.5 mm
Standards, directives and
approvals
Pressure Equipment Directive
Pressure Accessories
PED 2014/68/EU
Scope: Article 1, section 1
Definitions: Article 2, section 5
Fluid group 2
without CE-marking as per article 4, section 3
(sound engineering practice)
2)
EAC Conformity
Eurasia Conformity
Environmental compatibility
The product environmental declaration CE1E4847en
3)
contains data on
environmentally compatible product design and assessments (RoHS compliance,
materials composition, packaging, environmental benefit, disposal).
1)
ALG..B fittings for media temperatures up to 100 °C
2)
Valves where PS x DN < 1000, do not require special testing and cannot carry the CE label.
3)
The documents can be downloaded from http://siemens.com/bt/download.
S
v
= rangeability k
vs
/ k
vr
k
vs
= nominal flow rate of chilled water (5…30 °C) through the fully opened valve (H
100
) at a
differential pressure of 100kPa (1bar).
k
vr
= the lowest value for k
v
at which the flow characteristic tolerance is still maintained, at a
differential pressure of 100kPa (1 bar)