Add to comparison |  |  | |  |  |  |
|---|---|---|---|---|---|---|
| KOER 3SDM2/21 | Optima 3SDm 1.8/11 | KOER 3SDM2/15 | KOER 3KDM 2/21 | KOER 4SDM 2/15 | Optima 3SDm 2.5/15 | |
| Compare prices 19 | Compare prices 35 | Compare prices 17 | Compare prices 12 | Compare prices 18 | Compare prices 6 | |
| TOP sellers | ||||||
| Max. performance | 2700 L/h | 2500 L/h | 2700 L/h | 2700 L/h | 3300 L/h | 3000 L/h |
| Max. head | 89 m | 45 m | 64 m | 90 m | 106 m | 65 m |
Specs | ||||||
| Max. working pressure | 15 bar | 15 bar | ||||
| Operating principle | centrifugal | centrifugal | centrifugal | centrifugal | centrifugal | centrifugal |
| Max. immersion depth | 20 m | 20 m | ||||
| Max. particle size | 0.2 mm | 0.2 mm | 0.5 mm | 0.2 mm | ||
| Mechanical impurities | 150 g/m³ | 1000 g/m³ | 150 g/m³ | 80 g/m³ | 150 g/m³ | 1000 g/m³ |
| Suction system | multistage | multistage | multistage | single stage | multistage | multistage |
| Number of suction stages | 21 | 11 | 15 | 15 | 15 | |
| Oulet size | 1" | 1" | 1" | 1" | 1" | 1" |
| Max. liquid T | 35 °С | 40 °С | 35 °С | 35 °С | 35 °С | 35 °С |
Motor | ||||||
| Power consumption | 550 W | 250 W | 370 W | 750 W | 750 W | 550 W |
| Mains voltage | 230 В | 230 В | 230 В | 230 В | 230 В | 230 В |
| Power cable length | 15 m | 1.5 m | ||||
General specs | ||||||
| Overheat protection |  | | | | | |
| Overload protection | |  | | | | |
| Country of origin | Czechia | Poland | Czechia | Czechia | Czechia | Poland |
| Impeller material | technopolymer | technopolymer | technopolymer | polycarbonate | technopolymer | technopolymer |
| Added to E-Catalog | may 2024 | january 2021 | may 2024 | may 2024 | may 2024 | january 2021 |
