NB 40-250/211 AASF2AESBAQENW1 [98070062]
NB 40-250/211 AASF2AESBAQENW1 [98070062]
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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.
Specs Table
Controls: | |
Frequency converter: | None |
Pressure sensor: | N |
Liquid: | |
Pumped liquid: | Water |
Liquid temperature range: | 0 .. 120 °C |
Selected liquid temperature: | 20 °C |
Density: | 998.2 kg/m³ |
Technical: | |
Pump speed on which pump data are based: | 2945 rpm |
Rated flow: | 50.27 m³/h |
Rated head: | 51.98 m |
Actual impeller diameter: | 211 mm |
Nominal impeller diameter: | 250 |
Shaft seal arrangement: | Single |
Primary shaft seal: | BAQE |
Code for shaft seal: | BAQE |
Curve tolerance: | ISO9906:2012 3B |
Bearing design: | Standard |
Materials: | |
Pump housing: | Cast iron |
EN-GJL-250 | |
ASTM class 35 | |
Wear ring: | Brass |
Impeller: | Cast iron |
EN-GJL-200 | |
ASTM class 30 | |
Internal pump house coating: | CED |
Shaft: | Stainless steel |
EN 1.4301 | |
AISI 304 | |
Installation: | |
Maximum ambient temperature: | 60 °C |
Maximum operating pressure: | 16 bar |
Pipe connection standard: | EN 1092-2 |
Size of inlet connection: | DN 65 |
Size of outlet connection: | DN 40 |
Pressure rating for connection: | PN 16 |
Bearing lubrication: | Grease |
Pump housing with feet (Yes/No): | No |
Support block (Yes/No): | Y |
Electrical data: | |
Motor type: | 160MB |
Rated power - P2: | 11 kW |
Mains frequency: | 50 Hz |
Rated voltage: | 3 x 380-415D V |
Rated current: | 20.8-19.8 A |
Starting current: | 660-780 % |
Cos phi - power factor: | 0.88-0.84 |
Rated speed: | 2940-2950 rpm |
IE Efficiency class: | IE3 |
Motor efficiency at full load: | 91.2 % |
Motor efficiency at 3/4 load: | 91.8 % |
Motor efficiency at 1/2 load: | 91.3-91.2 % |
Number of poles: | 2 |
Enclosure class (IEC 34-5): | 55 Dust/Jetting |
Insulation class (IEC 85): | F |
Motor No: | 87420028 |
Bearing insulation type N-end: | Steel Bearing |
Others: | |
Minimum efficiency index, MEI ≥: | 0.70 |
Net weight: | 151 kg |
Gross weight: | 172 kg |
Shipping volume: | 0.509 m³ |
Country of origin: | HU |
Custom tariff no.: | 84137051 |
Language on pump nameplate: | GB |




