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Circulation pumps GRUNDFOS® Alpha 2 25-40N,DN25(1"), PN10, 230V, overall length 130mmOrder no.: 90 028 31 
XXX.XX
€/unit
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XXX.XX
€/unit
currently not in stock Description • Pump housing material: Stainless steel (N) • Installation length: 130 mm For use in heating, air conditioning and industrial systems • AUTOADAPT control • Proportional pressure control • Constant pressure control • Automatic night-time reduction • Mode for hydraulic comparison (only possible as an accessory in conjunction with ALPHA Reader) • With heat insulation jacket • Screw connection not included Technical data: • Ambient temperature: 0 °C - 40 °C • Medium temperature range: 2 °C - 110 °C • Max. operating pressure: 10 bar • Operating voltage: 230V/50-60Hz • Protection type: X4D • Pump housing material: Grey cast iron, KTL-coated See catalogue
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| Manufacturer item no.: | 99271964 |
| Male thread: | DN 40 (1 1/2") |
| Type: | 25-40 N |
| Nominal size: | DN 25 (1") |
| Power [W]: | 3...18 |
| Brand: | GRUNDFOS® |
| EAN: | 5713826356507 |
| EEI ≤: | 0.15 |
| Housing material: | Stainless steel |
| Connection size: | DN 25 |
| Connection: | External thread |
| Pressure level: | PN 10 |
| Supply voltage:: | 1 x 230 V |
| Power consumption [W]: | 3 - 18 |
| Frequency: | 50/60 Hz |
| Max. Discharge head [m]: | 4 |
| Protection type (IP): | IPX4D |
| Max. medium temperature (continuous operation) [°C]: | 110 |
| Min. medium temperature (continuous operation) [°C]: | 2 |
| Installation length [mm]: | 130 |
| Connection dimension pump housing: | 1 1/2 inch |
| Energy Efficiency Index (EEI): | 0.15 |
Data sheets
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