The OK and NK-series circulation pumps are powerful units having a capacity between 13 and 33 m3/h. With the housing moulded in plastic, the pumps are completely saltwater resistant. To improve the operating characteristics OK and NK pumps have an integrated prefilter and the impeller shaft has a rotating seal.
| Type |
OK 33 |
OK 51 |
OK 71 |
OK 100 |
| m³/h at 10 m | 4.8 | 6.6 | 10.0 | 14.5 |
| Max. flow at 5 m | 9,600 l | 11,000 l | 13,900 l | 20,000 l |
| Max. head | 12 m | 14 m | 15.5 m | 15 m |
| Power (watt) | 0.45 | 0.58 | 0.75 | 1,00 |
| A V |
2.45 230 |
2.65 230 |
4.00 230 |
4.70 230 |
| Dimensions cm (l x w x h), app. |
47.5 x 24 x 31 | 50 x 24 x 31 | ||
Motor protection switch (necessary to use with any NK or OK pump)!
Warranty is void, if pumps are used without motor protection switch!
