Data Sheet for Product

13 / 18
Siemens 2- and 3-port valves with flanged connections, PN 25 CE1N4405en
Smart Infrastructure 2019-05-24
Technical Data
Functional data
PN class
PN 25
Connection
Flange
Operating pressure
See Section "Operating pressure and medium
temperature" page 10
Valve characteristics
1)
See section "Valve characteristics", page 9
Leakage rate
Throughport
DN 15…150: 0…0.01 % of k
vs
value (Class IV)
DN 200, DN 250: 0…0.02 % of k
vs
value
Bypass
Bypass
0.5…2 % of k
vs
value with SKD.., SKB.., SKC..
0…0.05 % of k
vs
value with SAX.., SAV..
Permissible media
See table "Medium compatibility and temperature
ranges", page 11
Medium temperature
-20…220 °C
2)
VVF53..K: -5…220 ° C
Rangeability
DN 15‚ k
vs
≤ 1.25 m³/h: >50
DN 15...150: >100
DN 200, DN 250: >50
Nominal stroke
Up to DN 50: 20 mm
From DN 65: 40 mm
Materials
Valve body
DN 15…150: EN-GJS-400-18-LT
DN 200, DN 250: ASTM A216WCB(GP240GH)
Blank flange
VVF..
DN 15…150: P265GH
DN 200, DN 250: CK25
Valve stem, seat, plug
Stainless steel
Stem sealing gland
Stainless steel
DN 15…150: FEPM (silicone-free)
DN 200, DN 250: PTFE (not silicone-free)
Compensation sealing
Stainless steel
DN 50…150: FEPM (silicone-free)
DN 200, DN 250: PTFE+carbon (not silicone-free)
Adapter ALF41B..
Steel S235JRG2
Norms and
Pressure Equipment Directive
PED 2014/68/EU
directives
Pressure Accessories
Scope: Article 1, section 1
Definition: Article 2, section 5
Fluid group 2:
≤ DN 40
without CE-marking,
as per article 4, section 3
(sound engineering practice)
3)
DN 50…100
Category I, Module A, with CE-marking,
as per article 14, section 2
DN 125…150
Category II, Module A2, with CE-marking,
as per article 14, section 2
notified body number 0036
DN 200, DN 250
Category II, Module A2, with CE-marking,
as per article 14, section 2
notified body number 0035
EU Conformity (CE)
DN 50…150
A5W00006523
4)
DN 200, DN 250
A5W90001026
4)
PN class
ISO 7268
Operating pressure
ISO 7005, DIN EN 12284
Flanges
ISO 7005
Length of flanged valves
DIN EN 558-1, line 1