Data Sheet for Product

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Siemens Modulating refrigerant valves with magnetic actuator‚ PS43 CE2N4721en
Smart Infrastructure 2020-12-21
Permissible media for organic safety refrigerants (R22, R134a,
R404A, R407C, R410A, R507 etc.).
Not suitable for ammonia (R717)
and R723
Medium temperature
-40...120 °C
Position when de-energized AB ® A closed
Orientation any
Type of operation modulating
Stroke resolution DH / H
100
> 1 : 200 (H = stroke)
Pressure tightness to outside
hermetically sealed (fully welded, no static or
dynamic seals)
Materials
Housing components steel / CrNi steel
Seat / inner valve brass / CrNi steel
Pipe connections internally soldered, CrNi steel
Dimensions and weight
Dimensions
refer to «Dimensions»
Weight
refer to table in « Dimensions »
Pipe connections
Sleeves internally soldered sleeves
Norms and directives
Electromagnetic compatibility
(Application)
For residential, commercial and industrial
environments
Product standard EN60730-x
EU Conformity (CE) CA2T4721xx
3)
EAC Conformity Eurasian conformity for all M3FB..
Housing protection
Upright to horizontal IP54 to EN 60529
Environmental compatibility
The product environmental declaration
contains data on environmentally
compatible product design and ssessments
(RoHS compliance, materials composition,
packaging, environmental benefit,
disposal).
Pressure Equipment Directive PED 2014/68/EU
Pressure Accessories Scope: Article 1, section 1
Definitions: Article 2, section 5
Fluid group 2:
Fluid group 1
4):
DN 15…32
DN 15…25
without CE-marking as per article 4, section
3
1)
No operating voltage is required for the DC 0…20 V Phs power positioning signal.
2)
To EN 12284, checked with 1.43 x operating pressure at 62 bar
3)
The documents can be downloaded from http://siemens.com/bt/download.
4)
The manufacturer as well as the operator is obliged to comply with all legal requirements while
handling with media belonging to fluid group 1.
General
environmental conditions
Operation
EN 60721
-
3
-
3
Transport
EN 60721
-
3
-
2
Storage
EN 60721
-
3
-
1
Climatic conditions
Class 3K6 Class 2K3 Class 1K3
Temperature
-25...55 °C -25...70 °C -5...45 °C
Humidity
10...100 % r.h. < 95 % r.h. 5...95 % r.h.