Technical specifications
| Pump type | NK |
| Nominal flow (m³/h) | 486.5 m³/h |
| Nominal head (m) | 29.28 m |
| Minimum efficiency index (MEI) | 0.70 |
| Power P2 (kW) | 55 kW |
| Phases | 3 |
| Voltage (V) | 380-400/660-690 V |
| Frequency (Hz) | 50 Hz |
| Enclosure class | IP55 (Protect. water jets/dust) |
| Frequency converter | None |
| Max. liquid temp. (°C) | 120 °C |
| Min. liquid temp. (°C) | -25 °C |
| Max. ambient temp. (°C) | 40 °C |
| Max. operating pressure | 16 bar |
| Connection pressure rating | PN 16 |
| Pump housing material | Ductile iron |
| Impeller material | Stainless steel |
| Shaft seal | BQQE |
| Gross weight | 953 kg |
| Net weight | 862 kg |
| Motor number | 92748766 |
| EAN code | 5715474668179 |
Performance curve
Hover over the curve to read flow and head at any point.
Documents and datasheets
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IRRIGATION PUMP HANDBOOK (System & Concept brochure)
System & Concept brochures · English 22,3 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 -
NK, NKE - 50 Hz APAC (Data booklet)
Data booklets · English 37,9 MB -
NK, NKE, 50Hz CHINA (Data booklet)
Data booklets · English 37,9 MB -
NB, NBG, NK, NKG, NBE, NBGE, NKE, NKGE (Key application data) (Data Sheet)
Data sheets · English 0,4 MB -
NB, NBG, NK, NKG, TP, TPD, ATEX-approved pumps (Safety instructions)
Installation & operating instructions · English 0,8 MB -
NK - IEC, Range 2 (Installation and operating instructions)
Installation & operating instructions · English 9,1 MB -
NK - IEC, Range 2 (Safety instructions)
Installation & operating instructions · English 0,7 MB -
NK, NKG (GB-CN-JP version) (Installation and operating instructions)
Installation & operating instructions · English 7,2 MB -
NK, NKG (Safety instructions)
Installation & operating instructions · English 5,6 MB -
NK, NKG, ATEX-approved pumps (Installation and operating instructions)
Installation & operating instructions · English 1,5 MB -
NK, NKG, Model B (I & O instructions)
Installation & operating instructions · English 13,6 MB -
NK/NKG, Installation CHECK LIST (Installation and operating instructions)
Installation & operating instructions · English 1,1 MB -
NK, NKG (Quick Guide)
Quick Guides · English 3,0 MB -
NK, NKG, Model B (Quick Guide)
Quick Guides · English 3,0 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 DISTRICT HEATING (Product brochure)
Product Brochures · English 7,5 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 Cooling White paper (Product brochure)
Product Brochures · English 0,5 MB -
Industrial Pump Handbook (Handbook)
Product Brochures · English 22,6 MB -
Industrial Water Supply (Product brochure)
Product Brochures · English 1,6 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 -
Wash and Clean (Product brochure)
Product Brochures · English 1,0 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 -
NK, NKE - R1 (Service kit Catalogue)
Service · English 4,4 MB -
NK, NKE - R2 - (Service Kit Catalogue)
Service · English 6,6 MB -
NK, NKE, NKG, NKGE and LS Laser alignment (Service instructions)
Service · English 12,0 MB -
NKX (Service Kit Catalogue)
Service · English 0,5 MB
Variants & alternative codes
Equivalent alternatives
Pumps in the same hydraulic class as 93573819 (equivalent flow and head), available in the catalogue.
Related products
Grundfos 93573819