Purpose and application field:
TM KOER centrifugal surface pumps are designed for delivering water through 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-thermoderated motor up to 155°C.
- End 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 | THF-5A | THF-6A | |
| Power | kW | 1,5 | 2,2 |
| hp. | 2 | 2,7 | |
| Duct diameter | 3″ × 3″ | 4″ × 4″ | |
| Q max (l/min) | 955 | 1090 | |
| H max (m) | 14,5 | 16,5 | |
| Q max (m3/hour) |
Q max (l/min) |
H(m) | |
| 0 | 0 | 14,5 | 16,5 |
| 5 | 83 | 13,8 | 15,5 |
| 10 | 167 | 13,6 | 15,0 |
| 15 | 250 | 13,3 | 14,5 |
| 20 | 333 | 13,0 | 14,0 |
| 25 | 417 | 12,5 | 13,0 |
| 30 | 500 | 12,0 | 12,0 |
| 35 | 583 | 11,0 | 11,0 |
| 40 | 667 | 10,0 | 10,0 |
| 45 | 750 | 8,0 | 9,0 |
| 50 | 833 | 6,0 | 8,0 |
| 55 | 917 | 4,0 | 6,0 |
| 60 | 1000 | – | 4,5 |
| 65 | 1083 | – | 3,0 |
| Gross weight, kg | 36 | 39 | |
| Size: L × W × H, mm | 485х260х345 | 485х260х345 | |