GEA SVU 458 Series User Manual

Sicherheitsventile / Safety Relief Valves
GEA Germany
GEA AWP GmbH
Armaturenstr. 2
17291 Prenzlau, Germany
Tel +49 3984 8559-0
Fax +49 3984 8559-18
info@awpvalves.com
awpvalves.com
The information contained in this brochure merely serves as a
non-binding description of our products and is without guarantee. Binding information, in particular relating to capacity data an
d suitability for specific applications, can only be provided wit
hin the framework of concrete
inquiries. Printed on chlorine
-free bleached paper · Printed in Germany · Subject to modification
3 ∙ Betriebsvorschriften / Operating Instructions
SVU 458…, SVA 456…
SVU 457…, SVA 455…
PN
DN
TB (MWT) [°C]
-60
-10
+50
+180
-50
-10
+50
+110
25
15-40
PS (MWP) [bar]
18,7
25
25
25
18,7
25
25
25
40
15-40
30
40
40
40
30
40
40
40
63
15-25
47,3
63
63
63
47,3
63
63
63
1. Übersicht der Bauarten (DN 15 – DN 40)
SVU 457 / 458 gegendruckunabhängig,
federbelastet
SVA 455 / 456 gegendruckabhängig,
federbelastet
2. Technische Kennwerte
Gehäusewerkstoff – Auswahl nach DIN EN12284,
AD-2000 Reihe W
Stahl (St): P235GH, S235JR, S355J2
Tieftemperaturstahl (TT): P215NL, P255QL, P355NL1
Edelstahl (NIRO): X5CrNi18-10
oder gleichwertige
Zulässiger Umgebungstemperaturbereich (°C):
-35 bis +55
Betriebsmedien
Kältemittel EN 378 Teil 1, z.B.NH3, R22, R134a, R290
(Propan), R507, Gemische mit Kältemaschinenöl,
neutrale, gasförmige und flüssige Medien Kühlsole auf
Glycol-Basis
1. Overview of Types (DN 15 – DN 40)
SVU 457 / 458 independent on back-pressure,
spring-loaded
SVA 455 / 456 dependent on back-pressure,
spring-loaded
2. Technical Characteristics
Selection of body material as per German DIN
EN12284, AD-2000 series W
Steel (St): P235GH, S235JR, S355J2
Low temperature steel (TT): P215NL, P255QL,
P355NL1
Stainless steel (NIRO): X5CrNi18-10
or any equivalent
Permissible ambient temperature range (°C):
-35 to +55
Working Media
Refrigerant EN 378 part 1, e.g. NH3, R22, R134a,
R290 (propane), R507, mixtures with refrigerator oil,
neutral, gaseous and liquid media, cold brine basing
on glycol
Spindel kpl.
stem cmpl.
O-Ring C
o-ring C
(nur / only SVA 455 / 456)
Druckfeder
pressure spring
Flachdichtring K
flat sealing K
Dichteinheit kpl.
sealing unit cmpl.
(nur / only SVU 457 / 458)
O-Ring S
o-ring S
Spindelführung
stem guide
Übersicht der Bauarten, Technische Kennwerte
Overview of Types, Technical Characteristics
Flachdichtring N
Flat sealing N

GEA SVU 458 Series Specifications

General

Brand	GEA
Model	SVU 458 Series
Category	Control Unit
Language	English