Technical specifications
| Pump type | NBE |
| Nominal flow (m³/h) | 421.1 m³/h |
| Nominal head (m) | 38.07 m |
| Minimum efficiency index (MEI) | 0.70 |
| Power P2 (kW) | 55 kW |
| Phases | 3 |
| Phases | 3 |
| Voltage (V) | 380-420D/660-725Y V |
| Frequency (Hz) | 50 Hz |
| Enclosure class | IP55 |
| Frequency converter | Built-in |
| Max. liquid temp. (°C) | 120 °C |
| Min. liquid temp. (°C) | -25 °C |
| Max. ambient temp. (°C) | 50 °C |
| Max. operating pressure | 16 bar |
| Connection pressure rating | PN 16 |
| Pump housing material | Cast iron |
| Impeller material | Cast iron |
| Shaft seal | BQQE |
| Gross weight | 707 kg |
| Net weight | 620 kg |
| Motor number | 92779445 |
| EAN code | 5715121894920 |
Performance curve
Hover over the curve to read flow and head at any point.
Documents and datasheets
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NB, NBE, NBG, NBGE (Service Instructions)
Service · English 21,0 MB -
NK, NKE, NKG, NKGE (Service instructions)
Service · English 22,9 MB -
NB, NBE, NK, NKE, 50 Hz (Data booklet)
Data booklets · English 33,7 MB -
NB, NBG, NK, NKG, NBE, NBGE, NKE, NKGE, Custom-built pumps (Data booklet)
Data booklets · English 20,4 MB -
MGE (Data sheet)
Data sheets · English 0,5 MB -
NB, NBG, NK, NKG, NBE, NBGE, NKE, NKGE (Key application data) (Data Sheet)
Data sheets · English 0,4 MB -
NBE, NBGE, NKE, NKGE, TPE Series 1000, TPE Series 2000, from 30 kW 2-pole and 18.5 kW 4-pole (I & O instructions)
Installation & operating instructions · English 27,7 MB -
NBE, NBGE, NKE, NKGE, TPE Series 1000, TPE Series 2000, from 30 kW 2-pole and 18.5 kW 4-pole (Safety instructions)
Installation & operating instructions · English 4,4 MB -
TPE, TPED Series 1000; NBE, NBGE, NKE, NKGE; TPE, TPED, NBE, NKE Series 2000 (I&O)
Installation & operating instructions · English 6,5 MB -
TPE, TPED, NBE, NBGE, MTBE, NKE, NKGE, TPE, TPED, NBE, NKE Series 2000, - below 15 kW, 2-pole and 11 kW, 4-pole
Installation & operating instructions · English 4,8 MB -
TPE, TPED, NKE, NKGE, NBE, NBGE (Below 3 kW) (Installation and operating instructions)
Installation & operating instructions · English 6,5 MB -
TPE, TPED, NKE, NKGE, NBE, NBGE, MTBE (From 3.0 kW, 2-Pole and from 1.5 kW, 4-Pole) (I/O)
Installation & operating instructions · English 4,3 MB -
TPE, TPED, NKE, NKGE, NBE, NBGE, MTBE, TPE, TPED Series 2000 (Safety instructions)
Installation & operating instructions · English 1,8 MB -
TPE, TPED; TPE2, TPE2 D, TPE3, TPE3 D; NBE, NBGE, NKE, NKGE; MTBE (Safety instructions)
Installation & operating instructions · English 1,8 MB -
TPE, NKE, NBE, TPED (Quick Guide)
Quick Guides · English 0,3 MB -
A Wide Range (English) (Product brochure)
Product Brochures · English 46,4 MB -
Coating solutions for Grundfos NB/NBG and NK/NKG pumps (Product brochure)
Product Brochures · English 1,4 MB -
GRUNDFOS DISTRICT HEATING (Product brochure)
Product Brochures · English 7,5 MB -
GRUNDFOS MPC, Taking your pump system efficiency to new heights (Product brochure)
Product Brochures · English 1,0 MB -
Industrial Pump Handbook (Handbook)
Product Brochures · English 22,6 MB -
Mechanical shaft seals for pumps (Handbook)
Product Brochures · English 6,9 MB -
NB/NBG/NK/NKG(E) RANGES (Product brochures)
Product Brochures · English 0,7 MB -
PRECISION AND FLEXIBILITY WHERE IT REALLY MATTERS (Product brochure)
Product Brochures · English 3,1 MB -
Process Driven Engineering (Leaflet)
Product Brochures · English 5,7 MB -
PROFESSIONAL PUMPS AND SOLUTIONS, India version (Product brochure)
Product Brochures · English 43,0 MB -
SOLAR-POWERED IRRIGATION AND WATERING (Product brochure)
Product Brochures · English 1,7 MB -
TPE, NBE, NKE, NGBE, NKGE (Product brochure)
Product Brochures · English 4,9 MB -
NB, Model B (Service Kit Catalogue)
Service · English 2,2 MB -
NB, NBG, NK, NKG Coated solutions Service Instructions
Service · English 14,9 MB
Variants & alternative codes
Equivalent alternatives
Pumps in the same hydraulic class as 92941785 (equivalent flow and head), available in the catalogue.
Related products
Grundfos 92941785