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Materials:
Technical
- Body: - DN 15 and DN 20:
specification
- Ball valve and check valve:
- Safety relief valve obturator:
- Safety relief valve seat:
- Seals:
- Safety relief valve spring:
- Check valve spring:
- Connection kit (code 650972): - body:
Medium:
Max. working temperature:
Max. inlet temperature:
Max. working pressure:
Safety relief valve opening pressure:
Connections:
Discharge flow rate at 8,4 bar (+20% Po):
hydraulic safety
For further details see EN 1487 - clause 12.
Componenti
Components
Komponenten
Composants
Componentes
Componentes
Onderdelen
- DN 25:
- 526150 and 526151:
- 526142, 526152, 526153 and 526163:
Maximum power output of
the water heater
Size of the
- - - - - - - - - - - -
group
for direct heating systems
EN 1487
DN 15
4 kW
DN 20
10 kW
DN 25
18 kW
2
7
4
6
brass EN 12165 CW617N, chrome plated
stainless steel EN 10088-3 (AISI 303)
stainless steel EN 10270-3 (AISI 302)
- fittings:
inlet 1/2"–1" M; outlet 1/2"–1" F; discharge 1" M (ISO 228-1)
- with water:
- with steam:
> 225 kg/h (DN 20); 325 kg/h (DN 25)
Maximum power output of the
water heater
- - - - - - - - - - - -
for indirect heating systems
EN 1488
75 kW
150 kW
250 kW
Connection to heater
3
1
8
5
Connection to discharge pipe:
83–100 mm
brass EN 12165 CW617N
brass EN 12164 CW614N
brass EN 12165 CW617N
stainless steel EN 10270-1
stainless steel
brass EN 12164 CW614N
>325 l/h (DN 15);
> 650 l/h (DN 20); 1.300 l/h (DN 25)
>100kg/h (DN 15);
Maximum volume of
the water heater
EN 1488
200 l
1000 l
5000 l
Cold water inlet
- 25 mm Ø
(rubber seals)
- 32 mm Ø
(glued)
EPDM
EPDM
water
120 °C
65 °C
10 bar
7 bar
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