Cookie Policy
At Grundfos we use cookies to remember your choices, and to improve your experience on the Grundfos websites. Use the site as normal if you accept this.

For more detailed information, please read our full cookie policy.

NB 50-250/196 A-F-A-BAQE - 96126481

Performance curve
Product photo
Dimensional Drawing
Motor curve
Wiring Diagram
Spare parts


Download CAD drawings

Spare parts

    Parts list


      Curve settings


      Product name: NB 50-250/196 A-F-A-BAQE
      Product No: 96126481
      Pump speed on which pump data are based: 3540 rpm
      Rated flow: 65.4 m³/h
      Rated head: 64.7 m
      Maximum head: 16 m
      Actual impeller diameter: 196 mm
      Shaft seal arrangement: Single
      Code for shaft seal: BAQE
      Pump version: A
      Bearing design: Standard
      Pump housing: Cast iron
      Pump housing: EN-JL1040
      Pump housing: A48-40 B
      Impeller: Cast iron
      Impeller: EN-JL1030
      Impeller: A48-30 B
      Material code: A
      Maximum ambient temperature: 40 °C
      Pipe connection standard: DIN
      Size of inlet connection: DN 65
      Size of outlet connection: DN 50
      Pipe connection standard: DIN
      Pressure rating for connection: PN 16
      Connect code: F
      Pumped liquid: Water
      Liquid temperature range: 0 .. 120 °C
      Selected liquid temperature: 20 °C
      Density: 998.2 kg/m³
      Electrical data 
      Motor type: MMG180M
      Rated power - P2: 22 kW
      Mains frequency: 60 Hz
      Rated voltage: 3 x 380-480 D/660-690 Y V
      Rated current: 40,0-32,5/23,4 A
      Starting current: 600-940 %
      Cos phi - power factor: 0.92-0.88
      Rated speed: 3520-3550 rpm
      Motor efficiency at full load: 90.4-91.4 %
      Motor efficiency at 3/4 load: 90.4-90.7 %
      Motor efficiency at 1/2 load: 89.8-89.7 %
      Number of poles: 2
      Enclosure class (IEC 34-5): IP55
      Insulation class (IEC 85): F
      Motor protec: PTC
      Motor No: 83315430
      Mount. design. acc. IEC 34-7: IM B35
      Net weight: 243 kg
      Gross weight: 264 kg
      Shipping volume: 0.68 m³

      Quotation Text



      Note: Please try to use English language in case that you didn´t find the literature you´re looking for in your local language.
        Title Document Number Literature language Literature category Product type Date added Version
      Sound Measurement Report
      Case stories
      Installation & operating instructions
      Data booklets
      Support files
      Tender Material
      Functional profiles

      CAD drawings

      Select the required CAD formats by clicking the select boxes. Press Download and you will be offered a ZIP file containing the selected CAD format.

        CAD Format

      System parts

      Batch actions:

      Sizing result

      Loading... Loading
      Error calling service: