Data Sheet for Product

12 / 17
Siemens Combi valves, PN 25 CE1N4855en
Smart Infrastructure 2020-10-19
Permissible media
Low-temperature hot water, chilled water, water
with antifreeze
Recommendation: Water treatment to VDI
2035
Medium temperature:
Valve with actuator 1...120 °C
1…110°C with SUA21/3
3)
, SUA21/3P, SUE21P
Permissible ambient temperature 1…50 °C
Nominal stroke DN 10L0.2
DN 15L0.2
DN 15L0.6
2.5 mm
DN 10L0.4 / DN 20
DN 25…32
DN 40…50
5 mm
5.5 mm
15 mm
Materials
Valve body, port, seat, sealing gland
and test points
Valve body DN 40…50
Dezincification resistant hot-pressed brass
(DZR), CW602N
Nodular cast iron
Stem, spring Stainless steel
Presetting element PTFE, PPO, POM C and ABS
Regulator PPS
Seals EPDM 281 (O-ring)
Dimensions / weight Dimensions Refer to "Dimensions" on page 14
Threaded connections VPP46.. G to ISO 228-1 (externally threaded)
VPI46.. Rp to ISO 7-1 (internally threaded)
Actuator connection DN 10…32
DN 40…50
M30 x 1.5 mm
Siemens large stroke connector
Pressure test points (P/T-ports) G ¼” (connection valve body)
2 mm x 40 mm (needles)
Weight Refer to "Dimensions" on page 14
Standards, directives and ap-
provals
Pressure Equipment Directive
Pressure-carrying accessories
PED 2014/68/EU
Scope: Article 1, section 1
Definitions: Article 2, section 5
Fluid group 2
DN 10…40
DN 50
Without CE-marking as per article 4, section 3
(sound engineering practice)
1)
Category I, Modul A, with CE-marking
as per article 14, section 2
EU conformity (CE) DN 50 A5W00022837, CE1T4855xx
2)
EAC conformity Eurasia conformity
Environmental compatibility
The product environmental declaration CE1E4855en
2
)
contains data on environmen-
tally compatible product design and assessments (RoHS compliance, materials com-
position, packaging, environmental benefit, disposal).
1)
Valves where PS x DN < 1000, do not require special testing and cannot carry the CE label.
2)
Documents are available at http://www.siemens.com/bt/download
3)
Only with mounting AL60 accessory, the SUA21/3 can drive the VPI46.. or VPP46..valve