Purpose and application field:
Surface centrifugal pumps TM KOER are designed for delivering water in the low pressure pipes. They are used in irrigation systems for gardens and vegetable gardens, drip irrigation. This type of pumps is a good solution where high capacity with low pressure is needed.
Pumping part
- Casing: cast iron with anti-corrosion coating and body thickness increased by 20%.
- Impeller: Brass.
- Motor shaft: stainless steel AISI 304
Conditions of use
- Pumped liquid: Fresh water.
- Degree of contamination: not more than 200g/m3
- Ambient humidity: %<90
- Ambient air temperature: +2 °C…+40 °C
- Temperature of pumped water: + 5 °С … + 40 °С
- Mineralization not more: 1500 g/m³
- Max. mechanical impurities content: 0,05%
- Maximum working pressure: 0.7 MPa (7 bar).
- Max. suction depth: 8 m.
Motor
- Induction motor: asynchronous, closed circuit motor with thermal cut-out in the winding.
- Stator winding: 100% copper.
- Insulation class: F-thermal motor resistance up to 155 ℃.
- Face seal: graphite / ceramic / NR / AISI 304
- Voltage: 220-240V
- Frequency: 50 Hz
- Protection class: IP 54
- Cable length: 1 meter.
- Mode of operation: continuous.
| Model | THF6B-1 | THF6B-3 | THF6B-4 | THF6С | |
| Power | kW | 1,5 | 2,2 | 1,9 | 0,95 |
| hp. | 2 | 2,7 | 2,5 | 1,3 | |
| Duct diameter | 2″ × 2″ | 2″ × 2″ | 2″ × 2″ | 1,5″ × 1,5″ | |
| Q max (l/min) | 500 | 500 | 200 | 366 | |
| H max (m) | 22 | 27 | 45 | 16 | |
| Q max (m3/hour) |
Q max (l/min) |
H(m) | |||
| 0 | 0 | 22 | 27 | 45 | 16 |
| 3 | 50 | 21 | 26 | 37 | 15 |
| 6 | 100 | 20 | 25 | 28 | 14 |
| 9 | 150 | 19 | 24 | 15 | 13 |
| 12 | 200 | 18 | 23 | 5 | 12 |
| 15 | 250 | 17 | 21 | – | 10 |
| 18 | 300 | 16 | 19 | – | 8 |
| 21 | 350 | 15 | 14 | – | 5 |
| 24 | 400 | 14 | 11 | – | – |
| 27 | 450 | 12 | 7 | – | – |
| 30 | 500 | 10 | 5 | – | – |
| 33 | 550 | 8 | – | – | – |
| Gross weight, kg | 22,15 | 36,2 | 33,6 | 20 | |
| Size: L × W × H, mm | 440 × 245 × 290 | 485 × 260 × 345 | 485 × 260 × 345 | 440 × 245 × 290 | |