Grundfos NBE 125-250/249 AAF2AESBAQEPW3 Single-stage close coupled pumps 96539068
Nominal flow rate: 255.5 m³/h | Nominal head: 17.68 m | Max. operating pressure: 16 bar | Media temperature range: -25 ... 120 °C Max. operating pressure: 16 bar | Media temperature range: 0 ... 120 °C | Shaft diameter: 32 mm
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Grundfos NBE 125-250/249 AHAF2AESBAQEPW3 96539068 Endsuction close coupled single stage
Product code: 96539068
EAN Number: 5700397658666
Non-self-priming, single-stage, centrifugal volute pump designed according to ISO 5199 with dimensions and rated performance according to EN 733 (10 bar). Flanges are PN 16 with dimensions according to EN 1092-2. The pump has an axial suction port, radial discharge port, horizontal shaft and a back pull-out design enabling removal of the motor, motor stool, cover and impeller without disturbing the pump housing or pipework. The unbalanced rubber bellows seal is according to DIN EN 12756. The pump is close-coupled to a fan-cooled asynchronous motor.
| General | EAN number | 5700397658666 |
| Product No | 96539068 | |
| Material | Code Material | A |
| Code for rubber | E | |
| Elastomere GLRD | E | |
| IMPELLER_MATR_QLTY_EN | EN-GJL-200 | |
| IMPELLER_MATR_QUALITY_ASTM | ASTM class 30 | |
| Impeller | Cast iron | |
| Internal pump house coating | CED | |
| Material code | A | |
| PH_MATR_QUALITY_ASTM | ASTM class 35 | |
| PH_MATR_QUALITY_EN | EN-GJL-250 | |
| PUMP_SHAFT_MATR_QLTY_ASTM | AISI 304 | |
| Pump housing | Cast iron | |
| Shaft | Stainless steel | |
| Shaft | EN 1.4301 | |
| WEAR_RING_MATR_QLTY_EN | CuZn34Mn3AI2Fe1-C | |
| Wear ring | Brass | |
| Pump | Actual impeller diameter | 249 mm |
| Bearing design | Standard | |
| Code Ausführung | A | |
| Code for shaft seal | BAQE | |
| Curve tolerance | ISO9906:2012 3B | |
| Nominal impeller diameter | 250 | |
| Primary shaft seal | BAQE | |
| Pump speed on which pump data are based | 1470 1/min | |
| Pump version | A | |
| Rated flow | 255.5 m³/h | |
| Rated head | 17.68 m | |
| Shaft diameter | 32 mm | |
| Shaft seal arrangement | Single | |
| Connect | Bearing lubrication | Grease |
| Code Anschl. Art | F2 | |
| Connect code | F2 | |
| Maximum operating pressure | 16 bar | |
| Pipe connection standard | EN 1092-2 | |
| Pressure rating for connection | PN 16 | |
| Pump housing with feet (Yes/No) | Y | |
| Range of ambient temperature | -10 .. 50 °C | |
| Size of inlet connection | DN 150 | |
| Size of outlet connection | DN 125 | |
| Support block (Yes/No) | N | |
| Control | Appr. for VFD | CE, CULUS, C-TICK |
| Frequency converter | Built-in | |
| Pressure sensor | N | |
| Type of frequency converter | CUE 3X380-500V IP55 RUG 22KW | |
| VFD product number | 99616822 | |
| Motor | Bearing insulation type N-end | HYBRID BEARING |
| Built-in motor protection | PTC | |
| Cos phi - power factor | 0.81 | |
| Enclosure class (IEC 34-5) | IP55 | |
| IE Efficiency class | IE4 | |
| IE efficiency | IE4 94,2% | |
| Insulation class (IEC 85) | F | |
| Mains frequency | 50 Hz | |
| Motor No | 92582379 | |
| Motor efficiency at 1/2 load | 94.6 % | |
| Motor efficiency at 3/4 load | 94.7 % | |
| Motor efficiency at full load | 94.2 % | |
| Mount. design. acc. IEC 34-7 | IM B35 | |
| Number of poles | 4 | |
| Rated current | 36,5-34,0/21,0-19,4 A | |
| Rated power - P2 | 18.5 kW | |
| Rated speed | 1470 1/min | |
| Rated voltage | 3 x 380-420D/660-725Y V | |
| Starting current | 820 % | |
| Medium | Density | 998.2 kg/m³ |
| Liquid temperature range | 0 .. 120 °C | |
| Selected liquid temperature | 20 °C | |
| Other | Gross weight | 434 kg |
| Herkunftsland | ||
| Language on pump nameplate | GB | |
| Minimum efficiency index, MEI ≥ | 0.62 | |
| Net weight | 353 kg | |
| Shipping volume | 1.6 m³ | |
| Zolltarif Nr. | 84137051 |