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| Product name: | NBG 250-200-450/355 AF2BSBAQE |
| Product No: | 97921845 |
| Technical | |
|---|---|
| Pump speed on which pump data are based: | 1785 rpm |
| Rated flow: | 530.2 m³/h |
| Rated head: | 54.5 m |
| Maximum head: | 16 m |
| Actual impeller diameter: | 355 mm |
| Shaft seal arrangement: | Single |
| Shaft diameter: | 48 mm |
| Code for shaft seal: | BAQE |
| Curve tolerance: | ISO9906:2012 3B |
| Pump version: | A |
| Bearing design: | Standard |
| Materials | |
|---|---|
| Pump housing: | Cast iron |
| Pump housing: | EN-GJL-250 |
| Pump housing: | A48-40 B |
| Wear ring: | High alloy brass(CuZn34Mn3AI2 |
| Impeller: | Bronze |
| Impeller: | CuSn10 |
| Impeller: | B584-C83600 |
| Material code: | B |
| Installation | |
|---|---|
| Maximum ambient temperature: | 40 °C |
| Pipe connection standard: | EN 1092-2 |
| Size of inlet connection: | DN 250 |
| Size of outlet connection: | DN 200 |
| Pressure rating for pipe connection: | PN 16 |
| Support block: | NO |
| Connect code: | F2 |
| Liquid | |
|---|---|
| Pumped liquid: | Water |
| Liquid temperature range: | 0 .. 120 °C |
| Selected liquid temperature: | 20 °C |
| Density: | 998.2 kg/m³ |
| Electrical data | |
|---|---|
| Motor type: | SIEMENS |
| Rated power - P2: | 110 kW |
| Mains frequency: | 60 Hz |
| Rated voltage: | 3 x 380-480D/660-690Y V |
| Rated current: | 198-164/114-112 A |
| Starting current: | 520-860 % |
| Cos phi - power factor: | 0.88-0.84 |
| Rated speed: | 1780-1790 rpm |
| Number of poles: | 4 |
| Enclosure class (IEC 34-5): | 55 (Protect. water jets/dust) |
| Insulation class (IEC 85): | F |
| Motor protec: | PTC |
| Motor No: | 83B15444 |
| Mount. design. acc. IEC 34-7: | IM B35 |
| Others | |
|---|---|
| Minimum efficiency index, MEI ≥: | 0.44 |
| Net weight: | 1260 kg |
| Gross weight: | 1360 kg |
| Shipping volume: | 1.98 m³ |
| Pipe connection standard: | EN 1092-2 |
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