Grundfos NB 125-250/269 A-F2-A-E-BAQE (97837137)
Produkt ID: 97837137
Prijsaanvraag en beschikbaarheid
Grundfos NB 125-250/269 A-F2-A-E-BAQE (97837137)
Grundfos NB 125-250/269 A-F2-A-E-BAQE (97837137)
NB 125-250/269 A-F2-A-E-BAQE
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 balg is conform DIN EN 12756. De pomp is gekoppeld aan en ventilatorgekoelde asynchrone motor.
| 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: | 1470 rpm | |
| Rated flow: | 309 m³/h | |
| Rated head: | 21 m | |
| Actual impeller diameter: | 269 mm | |
| Impeller nom: | 250 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 150 | |
| Pump outlet: | DN 125 | |
| Pressure rating: | PN 16 | |
| Electrical data: | ||
| Motor type: | MMG200LA | |
| IE Efficiency class: | IE2 | |
| Rated power - P2: | 30 kW | |
| Mains frequency: | 50 Hz | |
| Rated voltage: | 3 x 380-420D/660-725Y V | |
| Rated current: | 55,5-50,0/32,0-29,0 A | |
| Starting current: | 720-720 % | |
| Cos phi - power factor: | 0,9 | |
| Rated speed: | 1470 rpm | |
| Efficiency: | IE2 92,5% | |
| Motor efficiency at full load: | 92.5-92.5 % | |
| Motor efficiency at 3/4 load: | 92.7-92.7 % | |
| Motor efficiency at 1/2 load: | 91.8-91.8 % | |
| Number of poles: | 4 | |
| Enclosure class (IEC 34-5): | 55 (Protect. water jets/dust) | |
| Insulation class (IEC 85): | F | |
| Lubricant type: | Grease | |
| Others: | ||
| Minimum efficiency index, MEI �?�: | 0.62 | |
| ErP status: | EuP Standalone/Prod. | |
| Net weight: | 359 kg | |
| Gross weight: | 418 kg | |
| Shipping volume: | 1.11 m³ | |