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Frost protection valve CALEFFI iStop DN40 (11/2") Operating temperature up to 90 °COrder no.: 90 127 49 
XXX.XX
€/unit
Delivery item - Time of delivery: approx. 1-2 weeks Description • To prevent frost damage to outdoor units of Monoblock heat pumps • Drains the heating water if there is a risk of frost due to a power failure, defective Circulation pumps or similar • Installation required outdoors in the supply and return flow pipe • Installation in vertical pipework • Opens at a medium temperature of +3°C, closes at a medium temperature of +4°C Technical data: • Ambient air temperature: -30°C to 60°C • Media: water, water/glycol mixture up to 30% • Housing material: brass • Discharge capacity: - 0.5 l/h (at -5°C and 3 bar) - 1 l/h (at -20°C and 3 bar) • For heating operation up to 90°C • Without ambient air sensor • Operating pressure: max. 10 bar • Operating temperature range: 0°C to 90°C To product family Questions regarding itemPlease login beforehand Add to a listPlease login beforehand |
| Manufacturer item no.: | 108802 |
| Clockwise / anti-clockwise rotation: | - |
| Connection: | DN 40 (1 1/2"), male flat sealing |
| Cv value [m³/h]: | 72 |
| Brand: | CALEFFI |
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