Technical specifications
| Pump type | NB |
| Nominal flow (m³/h) | 357.8 m³/h |
| Nominal head (m) | 14.33 m |
| Minimum efficiency index (MEI) | 0.70 |
| Power P2 (kW) | 18.5 kW |
| Phases | 3 |
| Phases | 3 |
| Voltage (V) | 380-420D/660-725Y V |
| Frequency (Hz) | 50 Hz |
| Enclosure class | IP55 |
| Frequency converter | None |
| Max. liquid temp. (°C) | 120 °C |
| Min. liquid temp. (°C) | 0 °C |
| Max. ambient temp. (°C) | 55 °C |
| Max. operating pressure | 10 bar |
| Connection pressure rating | PN 10 |
| Pump housing material | Cast iron |
| Impeller material | Cast iron |
| Shaft seal | BAQE |
| Gross weight | 463 kg |
| Net weight | 431 kg |
| Motor number | 83W15428 |
| EAN code | 5712604968383 |
Performance curve
Documents and datasheets
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IRRIGATION PUMP HANDBOOK (System & Concept brochure)
System & Concept brochures · English 22,3 MB -
NB, NBE, NBG, NBGE (Service Instructions)
Service · English 21,0 MB -
NB/NBG (Service instructions)
Service · English 0,5 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 -
NB, NBG, NK, NKG, NBE, NBGE, NKE, NKGE (Key application data) (Data Sheet)
Data sheets · English 0,4 MB -
NB, NBG, MTB (GB-CN-JP version) (Installation and operating instructions)
Installation & operating instructions · English 5,2 MB -
NB, NBG, MTB (I & O instructions)
Installation & operating instructions · English 8,1 MB -
NB, NBG, MTB (Safety instructions)
Installation & operating instructions · English 5,6 MB -
NB, NBG, NK, NKG, TP, TPD, ATEX-approved pumps (Safety instructions)
Installation & operating instructions · English 0,8 MB -
NB, NBG, TP, TPD, ATEX-approved pumps (Installation and operating instructions)
Installation & operating instructions · English 1,4 MB -
TPE, TPED, NKE, NKGE, NBE, NBGE (Below 3 kW) (Installation and operating instructions)
Installation & operating instructions · English 6,5 MB -
A Wide Range (English) (Product brochure)
Product Brochures · English 46,4 MB -
Beverage application pumps - Refresh your business with Grundfos (Product brochure)
Product Brochures · English 5,8 MB -
Coating solutions for Grundfos NB/NBG and NK/NKG pumps (Product brochure)
Product Brochures · English 1,4 MB -
Food application pumps - Nourish your business with Grundfos (Product brochure)
Product Brochures · English 3,4 MB -
Grundfos Industrial Solutions - Marine pumps (Product brochure)
Product Brochures · English 1,4 MB -
GRUNDFOS NB/NK STAINLESS STEEL (Product brochure)
Product Brochures · English 0,4 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 -
OPTIMISED WATER SOLUTIONS, India version (Product brochure)
Product Brochures · English 2,5 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 -
NB, Model B (Service Kit Catalogue)
Service · English 2,2 MB -
NB, NBG, NK, NKG (Recommended Spare Parts) (Service Kit Catalogue)
Service · English 0,7 MB -
NB, NBG, NK, NKG (Service Kit Instruction)
Service · English 3,2 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 99000447 (equivalent flow and head), available in the catalogue.
Related products
Grundfos 99000447