Technical specifications
| Nominal flow (m³/h) | 3643 m³/h |
| Nominal head (m) | 64.5 m |
| Power P2 (kW) | 400 kW |
| Phases | 3 |
| Voltage (V) | 380-400D/660-690Y V |
| Frequency (Hz) | 50 Hz |
| Enclosure class | IP55 (Protect. water jets/dust) |
| Max. liquid temp. (°C) | 100 °C |
| Min. liquid temp. (°C) | 0 °C |
| Max. ambient temp. (°C) | 40 °C |
| Max. operating pressure | 10 bar |
| Connection pressure rating | PN 10 |
| Impeller material | Stainless steel |
| Shaft seal | ABQE |
| Gross weight | 7970 kg |
| Net weight | 7250 kg |
| Approvals | CE |
| Motor number | 99734275 |
| EAN code | 5713833950835 |
Performance curve
Hover over the curve to read flow and head at any point.
Documents and datasheets
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LS (Service instructions)
Service · English 38,6 MB -
LS, Horizontal split-case pumps (Data booklet)
Data booklets · English 8,7 MB -
LS,LSV 50Hz APAC (Data booklet)
Data booklets · English 25,2 MB -
LS,LSV 50Hz China (Data booklet)
Data booklets · English 26,2 MB -
Large LS range (I &O), made in CN
Installation & operating instructions · English 4,6 MB -
LS (Safety instructions and other important information)
Installation & operating instructions · English 1,7 MB -
LS, Long-coupled horizontal split case pump (I&O instructions) - EU,IMEA,APAC version
Installation & operating instructions · English 3,7 MB -
LSV (I &O), made in CN
Installation & operating instructions · English 1,1 MB -
Small LS range made in CN (I &O)
Installation & operating instructions · English 3,8 MB -
GRUNDFOS DISTRICT HEATING (Product brochure)
Product Brochures · English 7,5 MB -
LS/LSV Split case pumps
Product Brochures · English 6,4 MB -
OPTIMISED WATER SOLUTIONS, India version (Product brochure)
Product Brochures · English 2,5 MB -
PROFESSIONAL PUMPS AND SOLUTIONS, India version (Product brochure)
Product Brochures · English 43,0 MB -
LS (Service Kit Catalogue)
Service · English 5,9 MB -
LS, LSV - CN (Service Kit Catalogue)
Service · English 4,1 MB -
LS, LSV (Recommended spare parts) (Service Kit Catalogue)
Service · English 0,2 MB -
NK, NKE, NKG, NKGE and LS Laser alignment (Service instructions)
Service · English 12,0 MB
Variants & alternative codes
Equivalent alternatives
Pumps in the same hydraulic class as 99763648 (equivalent flow and head), available in the catalogue.
Related products
Grundfos 99763648