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Description
The latest iStop Anti-freeze valve from Caleffi is ideal for use on installations where higher supply temperatures can be reached, such as R290 heat pumps. The antifreeze valve allows the circuit medium to be drained when the temperature reaches an average of 3˚C.
This prevents ice forming in the circuit of a system, generally with a heat pump, avoiding potential damage to equipment, valves and pipework.
- Maximum working pressure: 10 bar
- Working temperature range: 0–90 °C
- Ambient temperature range: -30–60 °C
- Medium temperature (opening): 3 °C
- Medium temperature (closing): 4 °C
- Accuracy: ±1 °C
Technical specification
Supplier Part Number108632Manufacturer Model No108632Brand NameAltecnicMaterialBrassERP RatingNot Applicable
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