Grundfos NB 40-250/260 A-F2-A-E-GQQE (98341291)
Produkt ID: 98341291
Prijsaanvraag en beschikbaarheid
Grundfos NB 40-250/260 A-F2-A-E-GQQE (98341291)
Grundfos NB 40-250/260 A-F2-A-E-GQQE (98341291)
NB 40-250/260 A-F2-A-E-GQQE
Niet zelfaanzuigende, eentraps centrifugaalpomp, ontworpen conform ISO 5199 met afmetingen en nominale prestaties conform EN 733 (10 bar). Flenzen zijn PN 16 met afmetingen overeenkomstig EN 1092-2. De pomp is voorzien van een axiale zuigpoort, radiale perspoort, horizontale as en een back pull-out design, waardoor het verwijderen van motor, motorstoel, deksel en waaier mogelijk is zonder de pompbehuizing of leidingwerk te verstoren. De niet-gebalanceerde rubberen balgafdichting met gereduceerd afichtingsoppervlakte is conform DIN EN 12756. De pomp is gekoppeld aan en ventilatorgekoelde asynchrone motor.
| Specification | Value | |
|---|---|---|
| Liquid: | ||
| Pumped liquid: | Water | |
| Liquid temperature range: | -25 .. 60 °C | |
| Liquid temperature during operation: | 20 °C | |
| Density: | 998.2 kg/m³ | |
| Technical: | ||
| Speed for pump data: | 2955 rpm | |
| Rated flow: | 67.3 m³/h | |
| Rated head: | 82.6 m | |
| Actual impeller diameter: | 260 mm | |
| Impeller nom: | 250 mm | |
| Primary shaft seal: | GQQE | |
| 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: | 55 °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: | SIEMENS | |
| IE Efficiency class: | IE3 | |
| Rated power - P2: | 30 kW | |
| Mains frequency: | 50 Hz | |
| Rated voltage: | 3 x 380-420D/660-725Y V | |
| Rated current: | 56,0-51,0/32,0-29,5 A | |
| Starting current: | 660-660 % | |
| Cos phi - power factor: | 0,86 | |
| Rated speed: | 2955 rpm | |
| Efficiency: | IE3 93,3% | |
| Motor efficiency at full load: | 93.3-93.3 % | |
| Motor efficiency at 3/4 load: | 93.6-93.6 % | |
| Motor efficiency at 1/2 load: | 93.4-93.4 % | |
| Number of poles: | 2 | |
| Enclosure class (IEC 34-5): | 55 Dust/Jetting | |
| Insulation class (IEC 85): | F | |
| Lubricant type: | Grease | |
| Others: | ||
| Minimum efficiency index, MEI �?�: | 0.70 | |
| ErP status: | EuP Standalone/Prod. | |
| Net weight: | 298 kg | |
| Gross weight: | 320 kg | |
| Shipping volume: | 0.444 m³ | |