Grundfos NB 32-125.1/139 AAF2AESBQQECW3 Single-stage close coupled pumps 97656970
Nominal flow rate: 10.97 m³/h | Nominal head: 5.275 m | Max. operating pressure: 16 bar | Media temperature range: 0 ... 120 °C Operating pressure: 16 bar | Media temperature range: -25 ... 120 °C | Shaft diameter: 24 mm
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Grundfos 97656970 Single-stage close-coupled pumps NB 32-125.1/139 AAF2AESBQQECW3
Product number: 97656970
EAN Number: 5710620428287
Normal priming, single-stage centrifugal pump according to ISO 5199 with dimensions and rated capacity according to EN 733 (10 bar). The pump is equipped with PN 16 flanges. The dimensions comply with EN 1092-2. The pump has an axial suction port and radial discharge port as well as a horizontally arranged shaft. The process design allows the motor, motor lantern, cover and impeller to be dismantled without having to separate the pump casing from the piping. The non-relieved rubber bellows seal complies with DIN EN 12756.
Accessories
No installation kit |
Tech. Details
| Product information | ||
| Product Information | Type | Single-stage block pumps |
| Product number |
97656970 | |
| Product name |
NB 32-125.1/139 AAF2AESBQQECW3 | |
| EAN number |
5710620428287 | |
| Electrical data |
rated engine power P2 | 0.25 kW |
| Mains frequency | 50 Hz | |
| Dimensioning voltage | 3 x 220-240D/380-415Y V | |
| rated current | 1.30-1.42/0.75-0.82 A | |
| Power factor Cos phi | 0.73-0.64 | |
| Nominal speed | 1410-1430 1/min | |
| Efficiency | IE2 72.4% - IE2 70.0% | |
| Efficiency of the engine at full load | 72.4-70.0 % | |
| Efficiency of the engine at 3/4 load | 72.6 % | |
| Motor efficiency at half load | 68.3 % | |
| Motorpole | 4 | |
| Protection class (according to IEC 34-5) | 55 Dust/Jetting | |
| Heat class (IEC 85) | F | |
| Integrated motor protection | none | |
| Fixing according to IEC 34-7 | IM V1/B5 | |
| Control panel | K.A. | |
| Function module | K.A. | |
| Installation |
Maximum ambient temperature | 40 °C |
| Max. Operating pressure | 16 bar | |
| Pipe connection standard | EN 1092-2 | |
| Size of suction nozzle | DN 50 | |
| Size of the pressure port | DN 32 | |
| Nominal pressure level | PN 16 | |
| Bearing lubrication | Grease | |
| Support block (Yes/No) | N | |
| Code connection type | F2 | |
| Technical data |
Pump speed on which the pump data is based | 1420 rpm |
| rated current | 10.97 m³/h | |
| Rated head | 5,275 m | |
| Actual impeller diameter | 139 mm | |
| Nominal impeller diameter | 125.1 | |
| GLRD order | Single mechanical seal | |
| Wave diameter | 24 mm | |
| ISO acceptance class | ISO9906:2012 3B2 | |
| Code execution | A | |
| Bearing construction | Standard version | |
| Materials | Pump housing | Grey cast iron |
| Pump casing | EN-GJL-250 | |
| Wheel material | Grey cast iron | |
| running wheel | EN-GJL-200 | |
| Wheel material according to ASTM | ASTM class 30 | |
| Internal pump house coating | CED coating | |
| Code Material | A | |
| Stainless steel | Stainless steel | |
| Support medium. | Media temperature range | -25 ... 120 °C |
| Medium temperature during operation | 20 °C | |
| Density | 998.2 kg/m³ | |
| Type of control. | Frequency inverter | without |
| Pressure sensor | no | |
| Sensor type | K.A. | |
| Others | Minimum efficiency index MEI ≥ | 0.70 |
| Net weight | 30 kg | |
| Gross weight | 40 kg | |
| Dispatch volume | 0.134 m³ | |
| Country of origin | HU | |
| Tariff No. | 84137051 | |
Properties:
Single-stage close-coupled pumps according to EN 733 |
The pump is directly connected to a fan-cooled asynchronous motor. |
Worth knowing about Grundfos
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