Technical specifications
| Pump type | NKG |
| Nominal flow (m³/h) | 357.8 m³/h |
| Nominal head (m) | 14.33 m |
| Minimum efficiency index (MEI) | 0.65 |
| Power P2 (kW) | 18.5 kW |
| 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 | 16 bar |
| Connection pressure rating | PN 16 |
| Pump housing material | Cast iron |
| Impeller material | Cast iron |
| Shaft seal | BAQE |
| Gross weight | 779 kg |
| Net weight | 712 kg |
| Motor number | 98957462 |
| EAN code | 5712604677469 |
Performance curve
Documents and datasheets
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NK, NKE, NKG, NKGE (Service instructions)
Service · English 22,9 MB -
NKG, Model B Double and cartridge seals, oil or grease lubrication (Service Instruction)
Service · English 1,7 MB -
NB, NBG, NK, NKG, NBE, NBGE, NKE, NKGE, Custom-built pumps (Data booklet)
Data booklets · English 20,4 MB -
NBG, NBGE, NKG, NKGE, 50 Hz (Data booklet)
Data booklets · English 40,1 MB -
NKG, Model A (Data booklet)
Data booklets · English 2,9 MB -
Oversize NBG, NKG pumps made of 1.4408 and 1.4517 steel (Data booklet)
Data booklets · English 3,4 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, 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, High Temperature (Installation and operating instructions)
Installation & operating instructions · English 0,8 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 -
NKG - Double seal (back to back) (Installation and operating instructions)
Installation & operating instructions · English 0,5 MB -
NKG (ZH and GB) (Installation and operating instructions)
Installation & operating instructions · English 0,5 MB -
NKG (ZH and GB) (Installation and operating instructions)
Installation & operating instructions · English 0,3 MB -
NKG, Double seal (tandem) - (Installation and operating instructions)
Installation & operating instructions · English 0,3 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 -
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 NKG PUMPS (Product brochure)
Product Brochures · English 0,5 MB -
GRUNDFOS PUMPS FOR MINING (Product brochure)
Product Brochures · English 1,4 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 -
Process Driven Engineering (Leaflet)
Product Brochures · English 5,7 MB -
PROFESSIONAL PUMPS AND SOLUTIONS, India version (Product brochure)
Product Brochures · English 43,0 MB -
PUMPS FOR BIOETHANOL AND BIODIESEL (Product brochure)
Product Brochures · English 1,1 MB -
SOLAR-POWERED IRRIGATION AND WATERING (Product brochure)
Product Brochures · English 1,7 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 - R2 - (Service Kit Catalogue)
Service · English 6,6 MB -
NK, NKE, NKG, NKGE and LS Laser alignment (Service instructions)
Service · English 12,0 MB -
NKG - Range 1 (Service Kit Catalogue)
Service · English 8,2 MB
Variants & alternative codes
Equivalent alternatives
Pumps in the same hydraulic class as 98983364 (equivalent flow and head), available in the catalogue.
Related products
Grundfos 98983364