NB 32-250/257 AAF2AESBQQEHW3
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Grundfos 93411216 Endsuction close coupled single stage NB 32-250/257 AAF2AESBQQEHW3
Product code: 93411216
EAN Number: 5715472281639
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.
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| Product information | EAN number | 5715472281639 |
| Product No | 93411216 | |
| Flow rate | Actual impeller diameter | 257 mm |
| Bearing design | Standard | |
| Code Ausführung | A | |
| Code for shaft seal | BQQE | |
| Curve tolerance | ISO9906:2012 3B2 | |
| Nominal impeller diameter | 250 | |
| Primary shaft seal | BQQE | |
| Pump speed on which pump data are based | 1440 1/min | |
| Pump version | A | |
| Rated flow | 12.31 m³/h | |
| Rated head | 18.54 m | |
| Shaft diameter | 24 mm | |
| Shaft seal arrangement | Single | |
| Electrical data | Bearing insulation type N-end | N |
| Built-in motor protection | PTC | |
| Cos phi - power factor | 0.81 | |
| Enclosure class (IEC 34-5) | IP55 | |
| IE Efficiency class | IE4 | |
| IE efficiency | IE4 88,2% | |
| Insulation class (IEC 85) | F | |
| Mains frequency | 50 Hz | |
| Motor No | 93123968 | |
| Motor efficiency at 1/2 load | 87.6-87 % | |
| Motor efficiency at 3/4 load | 88-88.2 % | |
| Motor efficiency at full load | 88.2 % | |
| Motor type | WEG | |
| Mount. design. acc. IEC 34-7 | IM V1/B5 | |
| Number of poles | 4 | |
| Rated current | 5,51-5,31/3,19-3,07 A | |
| Rated power - P2 | 1.5 kW | |
| Rated speed | 1440 1/min | |
| Rated voltage | 3 x 220-240D/380-415Y V | |
| Starting current | 840 % | |
| Installation | Bearing lubrication | Grease |
| Code Anschl. Art | F2 | |
| Connect code | F2 | |
| Maximum ambient temperature | 55 °C | |
| Maximum operating pressure | 16 bar | |
| Pipe connection standard | EN 1092-2 | |
| Pressure rating for connection | PN 16 | |
| Pump housing with feet (Yes/No) | Y | |
| Size of inlet connection | DN 50 | |
| Size of outlet connection | DN 32 | |
| Support block (Yes/No) | N | |
| Fluid | Density | 998.2 kg/m³ |
| Liquid temperature range | -25 .. 120 °C | |
| Selected liquid temperature | 20 °C | |
| Materials | 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 | EN 1.4301 | |
| Shaft | Stainless steel | |
| WEAR_RING_MATR_QLTY_EN | CuZn34Mn3AI2Fe1-C | |
| Wear ring | Brass | |
| Control | Frequency converter | None |
| Pressure sensor | N | |
| Other information | Gross weight | 93 kg |
| Herkunftsland | ||
| Language on pump nameplate | GB | |
| Minimum efficiency index, MEI ≥ | 0.70 | |
| Net weight | 76 kg | |
| Shipping volume | 0.315 m³ | |
| Zolltarif Nr. | 84137051 |