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Gruppo di sicurezza per scaldacqua ad accumulo
Safety unit for hot water storage heaters
Groupe de sécurité pour chauffe-eau
Veiligheidsgroep voor boiler
© Copyright 2019 Caleffi
Funzione
I gruppi di sicurezza sono dispositivi utilizzati negli impianti idrosanitari per la
Function
protezione degli scaldacqua ad accumulo.
Fonction
The safety groups are used in domestic water systems to protect hot water storage
Functie
heaters.
Les groupes de sécurité sont des dispositifs utilisés dans les installations sanitaires
pour protéger les chauffe-eau.
Veiligheidsgroepen zijn toestellen die toegepast worden in warmwaterinstallaties ter
bescherming van de boiler.
5265
Product range
526554
Technical
Materials:
- Body safety unit:
specification
- Body safety relief valve:
- Ball valve:
- Check valve:
- Safety relief valve obturator:
- Safety relief valve seat:
- Seals:
- Safety relief valve spring:
- Check valve spring:
Medium:
Max. inlet water temperature
Max. working temperature:
Max. working pressure:
Safety relief valve opening pressure:
Connections:
Discharge flow rate at 8,4 bar (+20 % Po): - with water:
hydraulic safety
For further details see EN 1487 - clause 12.
DN 20 (3/4")
Maximum power output of
the water heater
Size of the
- - - - - - - - - - - -
group
for direct heating systems
EN 1487
DN 20
10 kW
B531003
DN 20 brass EN 12165 CW617N
stainless steel EN 10270-3 (AISI 302)
inlet 3/4" M; outlet 3/4" F; discharge 1" M (ISO 228-1)
- with steam:
Maximum power output of the
water heater
- - - - - - - - - - - -
for indirect heating systems
EN 1488
150 kW
H0007429
www.caleffi.com
EN
FR
NL
5265 series
319
319601
1" F x Ø 32/25 mm
PPSU
brass EN 12164 CW614N
PPAG40
EPDM
PPSU
EPDM
stainless steel EN 10270-1
water
65 °C
120 °C
10 bar
7 bar
> 650 l/h
> 225 kg/h
Maximum volume of
the water heater
EN 1488
1000 l
I