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NK 50-160/131 AA1F2KESBQQEEW3 [97700731]
NK 50-160/131 AA1F2KESBQQEEW3 [97700731]
Grundfos
Preço normal
€7.721,60 EUR
Preço normal
€9.652,00 EUR
Preço de saldo
€7.721,60 EUR
Preço unitário
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por
Price excluding VAT
Envio calculado na finalização da compra.
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Non-self-priming, single-stage, centrifugal pump designed according to ISO 5199 with dimensions and rated performance according to EN 733. Flanges are PN 16 with dimensions according to EN 1092-1. The pump has an axial suction port, a radial discharge port and horizontal shaft. It is of the back pull-out design enabling removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework. The unbalanced rubber bellows seal is according to DIN EN 12756.
Specs Table
| Controls: | |
| Frequency converter: | None |
| Pressure sensor: | N |
| Liquid: | |
| Pumped liquid: | Water |
| Liquid temperature range: | -25 .. 120 °C |
| Selected liquid temperature: | 20 °C |
| Density: | 998.2 kg/m³ |
| Technical: | |
| Pump speed on which pump data are based: | 1440 rpm |
| Rated flow: | 31.58 m³/h |
| Pump with motor (Yes/No): | Y |
| Rated head: | 4.734 m |
| Actual impeller diameter: | 131 mm |
| Nominal impeller diameter: | 160 |
| Primary shaft seal: | BQQE |
| Code for shaft seal: | BQQE |
| Mechanical seal type: | Single |
| Curve tolerance: | ISO9906:2012 3B2 |
| Bearing design: | Standard |
| Materials: | |
| Pump housing: | Stainless steel |
| EN 1.4408 | |
| ASTM CF8M | |
| Wear ring: | Stainless steel |
| EN 1.4517 | |
| ASTM CD4MCuN | |
| Impeller: | Stainless steel |
| EN 1.4408 | |
| ASTM CF8M | |
| Internal pump house coating: | No coating |
| Shaft: | Stainless steel |
| EN 1.4401 | |
| AISI 316 | |
| Installation: | |
| Maximum ambient temperature: | 55 °C |
| Maximum operating pressure: | 16 bar |
| Pipe connection standard: | EN 1092-1 |
| Type of inlet connection: | DIN |
| Type of outlet connection: | DIN |
| Size of inlet connection: | DN 65 |
| Size of outlet connection: | DN 50 |
| Pressure rating for connection: | PN 16 |
| Coupling type: | Flexible w/o spacer |
| Base frame design: | EN/ISO |
| Code for base frame: | 4B ST |
| Grouting (Yes/No): | N |
| Electrical data: | |
| Motor type: | INNOMOTICS |
| Rated power - P2: | 0.55 kW |
| Mains frequency: | 50 Hz |
| Rated voltage: | 3 x 220-240D/380-420Y V |
| Rated current: | 2.2/1.26 A |
| Starting current: | 590 % |
| Cos phi - power factor: | 0.78 |
| Rated speed: | 1440 rpm |
| IE efficiency: | IE3 80,8% |
| IE Efficiency class: | IE3 |
| Motor efficiency at full load: | 80.8 % |
| Motor efficiency at 3/4 load: | 81.1 % |
| Motor efficiency at 1/2 load: | 79.3 % |
| Number of poles: | 4 |
| Enclosure class (IEC 34-5): | IP55 |
| Insulation class (IEC 85): | F |
| Motor No: | 99901328 |
| Bearing insulation type N-end: | N |
| Others: | |
| Minimum efficiency index, MEI ≥: | 0.70 |
| Net weight: | 114 kg |
| Gross weight: | 127 kg |
| Shipping volume: | 0.306 m³ |
| Language on pump nameplate: | GB |
