Gruppi di espansione per scaldacqua ad accumulo
Expansion groups for hot water storage heaters
Sicherheitsgruppe für Brauchwassererwärmer
I
GB
D
Funzione
Function
Funktion
I gruppi di espansione sono dispositivi utilizzati negli impianti idrosanitari per la
protezione degli scaldacqua ad accumulo.
The expansion groups are used in domestic water systems to protect hot water
storage heaters.
Sicherheitsgruppen sind Armaturen, die in Trinkwasser erwärmungsanlagen zum Schutz
des Brauchwassererwärmer eingesetzt werden.
528
046
DN 15 / 1/2” 6 bar
528
048
DN 15 / 1/2” 8 bar
528
041
DN 15 / 1/2” 10 bar
528
056
DN 15 / 3/4” 6 bar
528
058
DN 15 / 3/4” 8 bar
528
051
DN 15 / 3/4” 10 bar
528
156
DN 20 / 3/4” 6 bar
528
158
DN 20 / 3/4” 8 bar
528
151
DN 20 / 3/4” 10 bar
528
166
DN 20 / 1” 6 bar
528
168
DN 20 / 1” 8 bar
528
161
DN 20 / 1” 10 bar
528
1
528
0
528 series
1
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Technical
specification
Product range
Materials:
- Body:
brass EN 12165 CW617N
- Ball isolating valve:
brass EN 12164 CW614N
- Check valve:
dezincification resistant alloy
CR
EN 12165 POM
- Expansion relief valve:
brass EN 12165 CW617N
- Expansion relief valve obturator:
EPDM
- Seals:
EPDM
- Tundish:
PP
Medium:
water
Max. working temperature:
40°C
Max. working pressure:
10 bar
Expansion relief valve setting pressure:
6 - 8 - 10 bar
Connections:
(5280) 1/2” - 3/4” (ISO 7/1) M; (5281) 3/4” - 1” (ISO 7/1) M
Discharge:
pipe Ø 40 mm
Technical
specification
of insulation
Material:
EPP
Thickness:
12 mm
Density:
45 kg/m
3
Conductivity:
at 10°C: 0,037 W/(m·K)
Temperature range:
-5–120°C
Fire resistence (UL94):
class HBF
48244
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