Variants NB 50-250/263 AF2LBQQE
Specifications
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| Others | |
|---|---|
| Minimum efficiency index, MEI ≥: | 0.70 |
| Net weight: | 89 kg |
| Gross weight: | 106 kg |
| Shipping volume: | 0.315 m³ |
| Liquid | |
|---|---|
| Pumped liquid: | Water |
| Liquid temperature range: | -25 .. 120 °C |
| Selected liquid temperature: | 20 °C |
| Density: | 998.2 kg/m³ |
| Installation | |
|---|---|
| Maximum ambient temperature: | 55 °C |
| Maximum operating pressure: | 16 bar |
| Pipe connection standard: | EN 1092-1 |
| Size of inlet connection: | DN 65 |
| Size of outlet connection: | DN 50 |
| Pipe connection standard: | EN 1092-1 |
| Pressure rating for connection: | PN 16 |
| Pump housing with feet: | Yes |
| Support block: | N |
| Connect code: | F2 |
| Technical | |
|---|---|
| Pump speed on which pump data are based: | 1460 rpm |
| Rated flow: | 47.12 m³/h |
| Rated head: | 19.67 m |
| Maximum head: | 22.8 m |
| Actual impeller diameter: | 263 mm |
| Nominal impeller diameter: | 250 |
| Shaft seal arrangement: | Single |
| Shaft diameter: | 24 mm |
| Code for shaft seal: | BQQE |
| Curve tolerance: | ISO9906:2012 3B2 |
| Pump version: | A |
| Bearing design: | Standard |
| Materials | |
|---|---|
| Pump housing: | Stainless steel |
| : | EN 1.4517 |
| : | ASTM CD4MCuN |
| Wear ring: | Stainless steel |
| Impeller: | Stainless steel |
| : | EN 1.4517 |
| : | ASTM CD4MCuN |
| Shaft: | Stainless steel |
| : | EN 1.4462 |
| : | SAF 2205 |
| Internal pump house coating: | No coating |
| Material code: | L |
| Code for rubber: | E |
| Controls | |
|---|---|
| Frequency converter: | NONE |
| Electrical data | |
|---|---|
| Motor type: | SIEMENS |
| IE Efficiency class: | IE3 |
| Rated power - P2: | 4 kW |
| Mains frequency: | 50 Hz |
| Rated voltage: | 3 x 380-420D/660-725Y V |
| Rated current: | 8,3-7,51/4,83-4,37 A |
| Starting current: | 710-710 % |
| Cos phi - power factor: | 0.82 |
| Rated speed: | 1460 rpm |
| Efficiency: | IE3 88,6% |
| Motor efficiency at full load: | 88.6-88.6 % |
| Motor efficiency at 3/4 load: | 89.2-89.2 % |
| Motor efficiency at 1/2 load: | 88.6-88.6 % |
| Number of poles: | 4 |
| Enclosure class (IEC 34-5): | IP55 |
| Insulation class (IEC 85): | F |
| Motor protec: | PTC |
| Motor No: | 83V15213 |
| Mount. design. acc. IEC 34-7: | IM V1 |
| Product name: | NB 50-250/263 AF2LBQQE |
| Product No: | 98309392 |
| EAN number: | 5711492821626 |
| Price: |