Grundfos NB 40-125/139 A-F2-A-E-BAQE (97836729)
Producto ID: 97836729
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Grundfos NB 40-125/139 A-F2-A-E-BAQE (97836729)
Bomba centrífuga de voluta, no autocebante y de una etapa, diseñada de acuerdo con la norma ISO 5199, con dimensiones y rendimiento nominal de acuerdo con la norma EN 733 (10 bar). Las bridas son de PN 16 y sus dimensiones satisfacen los requisitos establecidos por la norma EN 1092-2. La bomba posee un puerto de aspiración axial, un puerto de descarga radial, eje horizontal y un diseño que facilita la extracción del motor, el soporte del motor, la cubierta y el impulsor sin necesidad de desmontar la carcasa de la bomba ni las tuberías. El cierre de fuelle de caucho no equilibrado satisface los requisitos establecidos por la norma DIN EN 12756. La bomba está acoplada directamente a un motor asíncrono refrigerado por ventilador.
| Specification | Value | |
|---|---|---|
| Liquid: | ||
| Pumped liquid: | Water | |
| Liquid temperature range: | 0 .. 120 °C | |
| Liquid temperature during operation: | 20 °C | |
| Density: | 998.2 kg/m³ | |
| Technical: | ||
| Speed for pump data: | 2920 rpm | |
| Rated flow: | 50.7 m³/h | |
| Rated head: | 20.4 m | |
| Actual impeller diameter: | 139 mm | |
| Impeller nom: | 125 mm | |
| Primary shaft seal: | BAQE | |
| Secondary shaft seal: | NONE | |
| Curve tolerance: | ISO9906:2012 3B | |
| Materials: | ||
| Pump housing: | Cast iron | |
| EN-GJL-250 | ||
| ASTM A48-40 B | ||
| Impeller: | Cast iron | |
| EN-GJL-200 | ||
| ASTM A48-30 B | ||
| Shaft: | Stainless steel | |
| 1.4301 | ||
| 304 | ||
| Rubber: | EPDM | |
| Wear ring mat.: | High alloy brass(CuZn34Mn3AI2 | |
| Installation: | ||
| Maximum ambient temperature: | 60 °C | |
| Maximum operating pressure: | 16 bar | |
| Flange standard: | EN 1092-2 | |
| Pump inlet: | DN 65 | |
| Pump outlet: | DN 40 | |
| Pressure rating: | PN 16 | |
| Electrical data: | ||
| Motor type: | MMG112MA | |
| IE Efficiency class: | IE2 | |
| Rated power - P2: | 4 kW | |
| Mains frequency: | 50 Hz | |
| Rated voltage: | 3 x 380-420D/660-725Y V | |
| Rated current: | 7,90-7,15/4,55-4,15 A | |
| Starting current: | 900-900 % | |
| Cos phi - power factor: | 0,9 | |
| Rated speed: | 2920 rpm | |
| Efficiency: | IE2 86,3% | |
| Motor efficiency at full load: | 86.3-86.3 % | |
| Motor efficiency at 3/4 load: | 87.0-87.0 % | |
| Motor efficiency at 1/2 load: | 86.0-86.0 % | |
| Number of poles: | 2 | |
| Enclosure class (IEC 34-5): | 55 (Protect. water jets/dust) | |
| Insulation class (IEC 85): | F | |
| Lubricant type: | Grease | |
| Others: | ||
| Minimum efficiency index, MEI �?�: | 0.70 | |
| ErP status: | EuP Standalone/Prod. | |
| Net weight: | 55 kg | |
| Gross weight: | 65 kg | |
| Shipping volume: | 0.178 m³ | |