The ALARKO NPVO-26-P circulation pump is designed with a wet rotor motor and operates without a shaft seal. It features single and triple speed models with threaded or flanged water connections. Built for quiet, long-lasting, and high-efficiency operation with low energy consumption, the pump requires no maintenance because the shaft and bearings are lubricated directly by plumbing water. The unit handles a maximum water temperature of 120 ºC and a maximum ambient temperature of 40 ºC, with a maximum working pressure of 6 bar (optionally 10 bars). It is suitable for 220/380 V three-phase or 220 V single-phase networks with the addition of a capacitor. The rotor shaft is constructed from stainless steel, radial and axial bearings from carbon, the fan from noryl, and the motor body from pig iron or aluminum alloy depending on the speed model. The motor insulation is Class H with IP 41 protection.
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| Manufacturer | ALARKO |
|---|---|
| Country | |
| Part number | NPVO-26-P |
| Inner Code | 500913 |
| Product type | Circulation Pump |
|---|---|
| Maximum ambient temperature | 40 ºC |
| Maximum water temperature | 120 ºC |
| Maximum working pressure | 6 bar (Optionally: 10 bars) |
| Engine insulation | Class H |
| Motor protection | IP 41 |